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/while_infinite_loop_3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:24,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:24,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:24,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:24,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:24,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:24,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:24,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:24,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:24,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:24,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:24,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:24,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:24,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:24,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:24,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:24,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:24,347 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 [2019-09-20 13:47:24,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:24,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:24,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:24,363 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:24,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:24,364 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:24,364 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:24,364 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:24,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:24,365 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:24,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:24,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:24,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:24,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:24,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:24,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:24,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:24,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:24,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:24,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:24,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:24,367 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:24,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:24,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:24,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:24,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:24,368 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:24,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:24,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:24,369 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:24,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:24,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:24,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:24,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:24,416 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:24,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_3.c [2019-09-20 13:47:24,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b73c2c8e/3e53ca674d1f408ea570e3ced1ab94d5/FLAG240d34c53 [2019-09-20 13:47:24,940 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:24,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_3.c [2019-09-20 13:47:24,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b73c2c8e/3e53ca674d1f408ea570e3ced1ab94d5/FLAG240d34c53 [2019-09-20 13:47:25,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b73c2c8e/3e53ca674d1f408ea570e3ced1ab94d5 [2019-09-20 13:47:25,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:25,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:25,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:25,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:25,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:25,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6a6b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25, skipping insertion in model container [2019-09-20 13:47:25,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:25,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:25,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:25,587 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:25,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:25,617 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:25,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25 WrapperNode [2019-09-20 13:47:25,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:25,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:25,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:25,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:25,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:25,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:25,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:25,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:25,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:25" (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 [2019-09-20 13:47:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 13:47:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 13:47:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:25,939 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:25,939 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:25,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:25 BoogieIcfgContainer [2019-09-20 13:47:25,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:25,944 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:25,945 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:25,945 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:25,946 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:25" (1/1) ... [2019-09-20 13:47:25,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:26,074 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:26,095 INFO L272 AbstractInterpreter]: Visited 22 different actions 22 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 6. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 4 variables. [2019-09-20 13:47:26,095 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:26,101 INFO L168 Benchmark]: Toolchain (without parser) took 775.85 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 156.4 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:26,101 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.0 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:26,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.99 ms. Allocated memory is still 130.0 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:26,105 INFO L168 Benchmark]: Boogie Preprocessor took 114.74 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 75.1 MB in the beginning and 174.8 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:26,107 INFO L168 Benchmark]: RCFGBuilder took 207.98 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:26,108 INFO L168 Benchmark]: Abstract Interpretation took 151.22 ms. Allocated memory is still 197.7 MB. Free memory was 163.8 MB in the beginning and 156.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:26,115 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 130.0 MB. Free memory is still 102.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.99 ms. Allocated memory is still 130.0 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.74 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 75.1 MB in the beginning and 174.8 MB in the end (delta: -99.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 207.98 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 163.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 151.22 ms. Allocated memory is still 197.7 MB. Free memory was 163.8 MB in the beginning and 156.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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: [L10] int x=0; [L24] COND TRUE 1 [L26] CALL eval() [L14] COND TRUE 1 [L15] x=0 [L26] RET eval() [L27] CALL __VERIFIER_assert(x==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...