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/reducercommutativity/max40-1.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 00:44:27,055 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-14 00:44:27,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 00:44:27,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 00:44:27,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 00:44:27,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 00:44:27,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 00:44:27,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 00:44:27,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 00:44:27,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 00:44:27,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-14 00:44:27,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-14 00:44:27,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 00:44:27,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 00:44:27,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 00:44:27,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 00:44:27,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 00:44:27,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 00:44:27,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 00:44:27,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 00:44:27,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 00:44:27,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-14 00:44:27,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-14 00:44:27,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 00:44:27,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-14 00:44:27,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 00:44:27,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 00:44:27,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-14 00:44:27,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-14 00:44:27,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-14 00:44:27,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-14 00:44:27,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-10-14 00:44:27,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 00:44:27,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 00:44:27,111 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 00:44:27,136 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-14 00:44:27,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 00:44:27,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 00:44:27,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-14 00:44:27,139 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-14 00:44:27,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 00:44:27,140 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-14 00:44:27,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-14 00:44:27,140 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-14 00:44:27,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-14 00:44:27,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 00:44:27,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 00:44:27,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 00:44:27,142 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-14 00:44:27,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-14 00:44:27,143 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-14 00:44:27,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-14 00:44:27,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 00:44:27,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-14 00:44:27,144 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-14 00:44:27,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-14 00:44:27,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 00:44:27,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 00:44:27,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 00:44:27,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 00:44:27,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-14 00:44:27,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 00:44:27,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 00:44:27,146 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 00:44:27,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 00:44:27,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 00:44:27,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 00:44:27,450 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-14 00:44:27,451 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-14 00:44:27,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max40-1.i
[2019-10-14 00:44:27,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7358f8e4f/c5faf807722e4fd5b3d7398e877e32aa/FLAGc03a6931b
[2019-10-14 00:44:27,989 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-14 00:44:27,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max40-1.i
[2019-10-14 00:44:27,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7358f8e4f/c5faf807722e4fd5b3d7398e877e32aa/FLAGc03a6931b
[2019-10-14 00:44:28,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7358f8e4f/c5faf807722e4fd5b3d7398e877e32aa
[2019-10-14 00:44:28,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 00:44:28,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 00:44:28,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 00:44:28,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 00:44:28,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 00:44:28,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28, skipping insertion in model container
[2019-10-14 00:44:28,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-14 00:44:28,442 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-14 00:44:28,641 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:44:28,650 INFO L188 MainTranslator]: Completed pre-run
[2019-10-14 00:44:28,671 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:44:28,684 INFO L192 MainTranslator]: Completed translation
[2019-10-14 00:44:28,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28 WrapperNode
[2019-10-14 00:44:28,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 00:44:28,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 00:44:28,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 00:44:28,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 00:44:28,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (1/1) ...
[2019-10-14 00:44:28,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 00:44:28,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 00:44:28,820 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 00:44:28,820 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-14 00:44:28,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:28" (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 00:44:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 00:44:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 00:44:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure max
[2019-10-14 00:44:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 00:44:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 00:44:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure max
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 00:44:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 00:44:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 00:44:29,195 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 00:44:29,196 INFO L284 CfgBuilder]: Removed 3 assume(true) statements.
[2019-10-14 00:44:29,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:29 BoogieIcfgContainer
[2019-10-14 00:44:29,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 00:44:29,198 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-14 00:44:29,198 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-10-14 00:44:29,198 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-10-14 00:44:29,199 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:29" (1/1) ...
[2019-10-14 00:44:29,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-14 00:44:29,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-14 00:44:29,305 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 31 variables.
[2019-10-14 00:44:29,305 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-14 00:44:29,309 INFO L168 Benchmark]: Toolchain (without parser) took 905.50 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 156.4 MB in the end (delta: -54.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,310 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.04 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 91.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,312 INFO L168 Benchmark]: Boogie Preprocessor took 133.99 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.6 MB in the beginning and 178.3 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,313 INFO L168 Benchmark]: RCFGBuilder took 378.04 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 162.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,315 INFO L168 Benchmark]: Abstract Interpretation took 107.24 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 156.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB.
[2019-10-14 00:44:29,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 282.04 ms. Allocated memory is still 137.4 MB. Free memory was 102.1 MB in the beginning and 91.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 133.99 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.6 MB in the beginning and 178.3 MB in the end (delta: -86.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 378.04 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 162.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 107.24 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 156.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 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: 39]: 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...