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-crafted-1/nested5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:53,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:53,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:53,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:53,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:53,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:53,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:53,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:53,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:53,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:53,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:53,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:53,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:53,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:53,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:53,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:53,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:54,007 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 13:47:54,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:54,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:54,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:54,040 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:54,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:54,041 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:54,041 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:54,041 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:54,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:54,041 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:54,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:54,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:54,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:54,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:54,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:54,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:54,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:54,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:54,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:54,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:54,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:54,047 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:54,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:54,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:54,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:54,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:54,048 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:54,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:54,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:54,048 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:54,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:54,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:54,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:54,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:54,129 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:54,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-09-20 13:47:54,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff955fee1/02706a1de85f48e083bfeddaed285ff2/FLAG7b6daf578 [2019-09-20 13:47:54,596 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:54,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2019-09-20 13:47:54,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff955fee1/02706a1de85f48e083bfeddaed285ff2/FLAG7b6daf578 [2019-09-20 13:47:55,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff955fee1/02706a1de85f48e083bfeddaed285ff2 [2019-09-20 13:47:55,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:55,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:55,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:55,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:55,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:55,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b42cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55, skipping insertion in model container [2019-09-20 13:47:55,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,038 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:55,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:55,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:55,301 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:55,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:55,330 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:55,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55 WrapperNode [2019-09-20 13:47:55,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:55,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:55,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:55,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:55,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:55,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:55,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:55,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:55,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:55" (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 13:47:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:55,757 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:55,757 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:47:55,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:55 BoogieIcfgContainer [2019-09-20 13:47:55,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:55,761 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:55,761 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:55,761 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:55,762 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:55" (1/1) ... [2019-09-20 13:47:55,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:55,912 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:58,056 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:58,094 INFO L272 AbstractInterpreter]: Visited 36 different actions 585 times. Merged at 17 different actions 237 times. Widened at 9 different actions 78 times. Performed 1086 root evaluator evaluations with a maximum evaluation depth of 12. Performed 1086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 98 fixpoints after 10 different actions. Largest state had 11 variables. [2019-09-20 13:47:58,094 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:58,107 INFO L168 Benchmark]: Toolchain (without parser) took 3074.95 ms. Allocated memory was 133.2 MB in the beginning and 362.3 MB in the end (delta: 229.1 MB). Free memory was 89.0 MB in the beginning and 186.6 MB in the end (delta: -97.6 MB). Peak memory consumption was 131.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,111 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.61 ms. Allocated memory is still 133.2 MB. Free memory was 88.6 MB in the beginning and 79.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,117 INFO L168 Benchmark]: Boogie Preprocessor took 126.65 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 79.2 MB in the beginning and 174.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,120 INFO L168 Benchmark]: RCFGBuilder took 300.99 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 161.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,121 INFO L168 Benchmark]: Abstract Interpretation took 2333.73 ms. Allocated memory was 198.7 MB in the beginning and 362.3 MB in the end (delta: 163.6 MB). Free memory was 161.3 MB in the beginning and 186.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 138.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:58,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.61 ms. Allocated memory is still 133.2 MB. Free memory was 88.6 MB in the beginning and 79.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.65 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 79.2 MB in the beginning and 174.8 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.99 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 161.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2333.73 ms. Allocated memory was 198.7 MB in the beginning and 362.3 MB in the end (delta: 163.6 MB). Free memory was 161.3 MB in the beginning and 186.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 138.2 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: [L11] unsigned int x = 0; [L12] unsigned int y = 0; [L13] unsigned int z = 0; [L14] unsigned int w = 0; [L15] unsigned int v = 0; [L16] w=0 [L16] COND TRUE w<0x0fffffff [L17] x=0 [L17] COND TRUE x< 10 [L18] y=0 [L18] COND TRUE y< 10 [L19] z=0 [L19] COND TRUE z< 10 [L20] v=0 [L20] COND FALSE !(v< 10) [L21] CALL __VERIFIER_assert(v % 4) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...