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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-acceleration/phases_2-2.c
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This is Ultimate 0.1.24-efa34d5
[2019-09-16 17:27:34,494 INFO L177 SettingsManager]: Resetting all preferences to default values...
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[2019-09-16 17:27:34,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-09-16 17:27:34,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf
[2019-09-16 17:27:34,599 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-16 17:27:34,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-16 17:27:34,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2019-09-16 17:27:34,600 INFO L138 SettingsManager]: * Log level for plugins=info
[2019-09-16 17:27:34,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2019-09-16 17:27:34,601 INFO L138 SettingsManager]: * User list type=DISABLED
[2019-09-16 17:27:34,602 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false
[2019-09-16 17:27:34,602 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false
[2019-09-16 17:27:34,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2019-09-16 17:27:34,602 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain
[2019-09-16 17:27:34,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-16 17:27:34,605 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-16 17:27:34,605 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-16 17:27:34,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-16 17:27:34,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-16 17:27:34,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-16 17:27:34,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-16 17:27:34,606 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-16 17:27:34,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-16 17:27:34,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-16 17:27:34,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-16 17:27:34,607 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true
[2019-09-16 17:27:34,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-16 17:27:34,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-16 17:27:34,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-16 17:27:34,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-16 17:27:34,608 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN
[2019-09-16 17:27:34,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-16 17:27:34,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-09-16 17:27:34,609 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2019-09-16 17:27:34,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-16 17:27:34,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-16 17:27:34,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-16 17:27:34,668 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-16 17:27:34,669 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-16 17:27:34,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-2.c
[2019-09-16 17:27:34,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f91e59f/affce756aff74a4686fa8af54de2ea46/FLAG1dd5f0ba2
[2019-09-16 17:27:35,170 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-16 17:27:35,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-2.c
[2019-09-16 17:27:35,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f91e59f/affce756aff74a4686fa8af54de2ea46/FLAG1dd5f0ba2
[2019-09-16 17:27:35,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f91e59f/affce756aff74a4686fa8af54de2ea46
[2019-09-16 17:27:35,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-16 17:27:35,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-16 17:27:35,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-16 17:27:35,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-16 17:27:35,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-16 17:27:35,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35, skipping insertion in model container
[2019-09-16 17:27:35,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,574 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-16 17:27:35,591 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-16 17:27:35,778 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-16 17:27:35,783 INFO L188 MainTranslator]: Completed pre-run
[2019-09-16 17:27:35,799 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-16 17:27:35,812 INFO L192 MainTranslator]: Completed translation
[2019-09-16 17:27:35,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35 WrapperNode
[2019-09-16 17:27:35,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-16 17:27:35,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-16 17:27:35,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-16 17:27:35,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-16 17:27:35,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (1/1) ...
[2019-09-16 17:27:35,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-16 17:27:35,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-16 17:27:35,940 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-16 17:27:35,940 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-16 17:27:35,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:35" (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
[2019-09-16 17:27:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-16 17:27:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-16 17:27:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-09-16 17:27:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-16 17:27:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-16 17:27:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-16 17:27:36,165 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-16 17:27:36,165 INFO L283 CfgBuilder]: Removed 1 assume(true) statements.
[2019-09-16 17:27:36,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:36 BoogieIcfgContainer
[2019-09-16 17:27:36,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-16 17:27:36,167 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-09-16 17:27:36,167 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-09-16 17:27:36,168 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-09-16 17:27:36,168 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:36" (1/1) ...
[2019-09-16 17:27:36,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-09-16 17:27:36,254 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-09-16 17:27:36,579 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-09-16 17:27:36,614 INFO L272 AbstractInterpreter]: Visited 23 different actions 86 times. Merged at 8 different actions 24 times. Widened at 1 different actions 2 times. Performed 97 root evaluator evaluations with a maximum evaluation depth of 12. Performed 97 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 10 fixpoints after 3 different actions. Largest state had 5 variables.
[2019-09-16 17:27:36,615 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-09-16 17:27:36,624 INFO L168 Benchmark]: Toolchain (without parser) took 1068.15 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.8 MB in the beginning and 126.4 MB in the end (delta: -40.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,626 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.47 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,631 INFO L168 Benchmark]: Boogie Preprocessor took 125.95 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 76.3 MB in the beginning and 176.6 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,632 INFO L168 Benchmark]: RCFGBuilder took 226.62 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 164.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,634 INFO L168 Benchmark]: Abstract Interpretation took 447.52 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 126.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB.
[2019-09-16 17:27:36,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 257.47 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 125.95 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 76.3 MB in the beginning and 176.6 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 226.62 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 164.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 447.52 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 126.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 7]: 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:
[L13] unsigned int x = 1;
[L14] unsigned int y = __VERIFIER_nondet_uint();
[L16] COND FALSE !(!(y > 0))
[L18] COND FALSE !(x < y)
[L26] CALL __VERIFIER_assert(x == y)
[L6] COND TRUE !(cond)
[L7] __VERIFIER_error()
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...