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/for_infinite_loop_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:34:15,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:34:15,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:34:15,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:34:15,136 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 [2019-09-05 13:34:15,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:34:15,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:34:15,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:34:15,152 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:34:15,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:34:15,152 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:34:15,153 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:34:15,153 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:34:15,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:34:15,153 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:34:15,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:34:15,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:34:15,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:34:15,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:34:15,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:34:15,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:34:15,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:34:15,157 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:34:15,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:34:15,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:34:15,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:34:15,157 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:34:15,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:34:15,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:34:15,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:34:15,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:34:15,159 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:34:15,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:34:15,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:34:15,159 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:34:15,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:34:15,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:34:15,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:34:15,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:34:15,213 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:34:15,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_infinite_loop_1.c [2019-09-05 13:34:15,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1459333/d99cf4a5624a4e05a56c363dfecc9c5a/FLAGbbf67df80 [2019-09-05 13:34:15,700 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:34:15,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_infinite_loop_1.c [2019-09-05 13:34:15,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1459333/d99cf4a5624a4e05a56c363dfecc9c5a/FLAGbbf67df80 [2019-09-05 13:34:16,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c1459333/d99cf4a5624a4e05a56c363dfecc9c5a [2019-09-05 13:34:16,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:34:16,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:34:16,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:16,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:34:16,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:34:16,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4967aa79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16, skipping insertion in model container [2019-09-05 13:34:16,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:34:16,092 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:34:16,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:16,262 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:34:16,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:16,301 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:34:16,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16 WrapperNode [2019-09-05 13:34:16,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:16,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:34:16,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:34:16,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:34:16,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:34:16,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:34:16,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:34:16,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:34:16,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:16" (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 [2019-09-05 13:34:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:34:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:34:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:34:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:34:16,628 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:34:16,629 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:34:16,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:16 BoogieIcfgContainer [2019-09-05 13:34:16,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:34:16,631 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:34:16,631 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:34:16,631 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:34:16,632 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:16" (1/1) ... [2019-09-05 13:34:16,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:34:16,930 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:34:16,949 INFO L272 AbstractInterpreter]: Visited 22 different actions 94 times. Merged at 3 different actions 18 times. Widened at 1 different actions 2 times. Performed 108 root evaluator evaluations with a maximum evaluation depth of 6. Performed 108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2019-09-05 13:34:16,949 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:34:16,953 INFO L168 Benchmark]: Toolchain (without parser) took 897.26 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.0 MB in the beginning and 150.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,954 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.04 ms. Allocated memory is still 130.5 MB. Free memory was 84.8 MB in the beginning and 75.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,956 INFO L168 Benchmark]: Boogie Preprocessor took 111.47 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 175.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,957 INFO L168 Benchmark]: RCFGBuilder took 215.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 163.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,958 INFO L168 Benchmark]: Abstract Interpretation took 318.93 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 150.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:16,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.04 ms. Allocated memory is still 130.5 MB. Free memory was 84.8 MB in the beginning and 75.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 175.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.39 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 163.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 318.93 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 150.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L14] unsigned int i=0; [L15] int x=0, y=0; [L16] int n=__VERIFIER_nondet_int(); [L17] COND FALSE !(!(n>0)) [L18] i=0 [L18] COND TRUE 1 [L20] CALL __VERIFIER_assert(x==0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...