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/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:24,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:24,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:24,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:24,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:25,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:25,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:25,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:25,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:25,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:25,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:25,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:25,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:25,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:25,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:25,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:25,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:25,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:25,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:25,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:25,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:25,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:25,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:25,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:25,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:25,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:27:25,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:27:25,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:27:25,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:27:25,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:27:25,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:27:25,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:27:25,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:27:25,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:25,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:25,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:25,035 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 17:27:25,050 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:25,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:25,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:25,051 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:25,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:25,052 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:25,052 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:25,052 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:25,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:25,053 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:25,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:25,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:25,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:25,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:25,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:25,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:25,057 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:25,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:25,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:25,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:25,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:25,104 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:25,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2019-09-16 17:27:25,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9641a9d7/f4449677aceb45b0928e62a918e4c31a/FLAG80557506f [2019-09-16 17:27:25,663 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:25,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2019-09-16 17:27:25,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9641a9d7/f4449677aceb45b0928e62a918e4c31a/FLAG80557506f [2019-09-16 17:27:26,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9641a9d7/f4449677aceb45b0928e62a918e4c31a [2019-09-16 17:27:26,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:26,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:26,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:26,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:26,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:26,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d97e356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26, skipping insertion in model container [2019-09-16 17:27:26,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:26,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:26,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:26,366 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:26,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:26,406 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:26,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26 WrapperNode [2019-09-16 17:27:26,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:26,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:26,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:26,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:26,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:26,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:26,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:26,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:26,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:26" (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 17:27:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:26,855 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:26,856 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:26,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26 BoogieIcfgContainer [2019-09-16 17:27:26,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:26,858 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:26,858 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:26,858 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:26,859 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:26" (1/1) ... [2019-09-16 17:27:26,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:26,960 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:27:27,321 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:27,346 INFO L272 AbstractInterpreter]: Visited 16 different actions 82 times. Merged at 2 different actions 12 times. Widened at 1 different actions 2 times. Performed 111 root evaluator evaluations with a maximum evaluation depth of 8. Performed 111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 8 variables. [2019-09-16 17:27:27,346 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:27,355 INFO L168 Benchmark]: Toolchain (without parser) took 1276.38 ms. Allocated memory was 135.3 MB in the beginning and 203.9 MB in the end (delta: 68.7 MB). Free memory was 86.5 MB in the beginning and 135.1 MB in the end (delta: -48.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,357 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.85 ms. Allocated memory is still 135.3 MB. Free memory was 86.0 MB in the beginning and 76.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,361 INFO L168 Benchmark]: Boogie Preprocessor took 194.98 ms. Allocated memory was 135.3 MB in the beginning and 203.9 MB in the end (delta: 68.7 MB). Free memory was 76.9 MB in the beginning and 182.0 MB in the end (delta: -105.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,363 INFO L168 Benchmark]: RCFGBuilder took 253.48 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 171.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,364 INFO L168 Benchmark]: Abstract Interpretation took 488.61 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 135.1 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:27,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.85 ms. Allocated memory is still 135.3 MB. Free memory was 86.0 MB in the beginning and 76.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 194.98 ms. Allocated memory was 135.3 MB in the beginning and 203.9 MB in the end (delta: 68.7 MB). Free memory was 76.9 MB in the beginning and 182.0 MB in the end (delta: -105.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.48 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 171.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 488.61 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 135.1 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: 4]: 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: [L10] unsigned int sn=0; [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L12] unsigned int x=0; [L13] COND TRUE 1 [L14] sn = sn + (2) [L15] x++ [L16] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...