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-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:12,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:12,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:12,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:38:12,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:12,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:12,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:12,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:12,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:12,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:12,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:12,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:12,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:12,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:12,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:12,144 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 [2019-10-03 12:38:12,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:12,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:12,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:12,163 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:12,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:12,164 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:12,164 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:12,164 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:12,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:12,165 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:12,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:12,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:12,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:12,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:12,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:12,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:12,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:12,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:12,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:12,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:12,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:12,167 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:12,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:12,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:12,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:12,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:12,168 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:12,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:12,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:12,169 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:12,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:12,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:12,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:12,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:12,233 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:12,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-03 12:38:12,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b87de8b7/e4c4316538014fd7bd9ecb915a31d54e/FLAGe5339296f [2019-10-03 12:38:12,686 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:12,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-10-03 12:38:12,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b87de8b7/e4c4316538014fd7bd9ecb915a31d54e/FLAGe5339296f [2019-10-03 12:38:13,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b87de8b7/e4c4316538014fd7bd9ecb915a31d54e [2019-10-03 12:38:13,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:13,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:13,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:13,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:13,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:13,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96c01a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13, skipping insertion in model container [2019-10-03 12:38:13,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:13,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:13,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:13,280 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:13,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:13,326 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:13,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13 WrapperNode [2019-10-03 12:38:13,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:13,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:13,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:13,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:13,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:13,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:13,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:13,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:13,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:13" (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 [2019-10-03 12:38:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:13,794 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:13,795 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 12:38:13,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:13 BoogieIcfgContainer [2019-10-03 12:38:13,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:13,797 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:13,797 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:13,797 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:13,798 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:13" (1/1) ... [2019-10-03 12:38:13,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:13,909 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:38:15,310 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:15,335 INFO L272 AbstractInterpreter]: Visited 37 different actions 295 times. Merged at 29 different actions 185 times. Widened at 5 different actions 7 times. Performed 1382 root evaluator evaluations with a maximum evaluation depth of 13. Performed 1382 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 73 fixpoints after 15 different actions. Largest state had 31 variables. [2019-10-03 12:38:15,335 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:15,340 INFO L168 Benchmark]: Toolchain (without parser) took 2283.22 ms. Allocated memory was 133.2 MB in the beginning and 263.2 MB in the end (delta: 130.0 MB). Free memory was 89.4 MB in the beginning and 165.5 MB in the end (delta: -76.1 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,341 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.01 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 78.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,344 INFO L168 Benchmark]: Boogie Preprocessor took 112.45 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 176.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,346 INFO L168 Benchmark]: RCFGBuilder took 356.24 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 159.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,347 INFO L168 Benchmark]: Abstract Interpretation took 1538.58 ms. Allocated memory was 199.8 MB in the beginning and 263.2 MB in the end (delta: 63.4 MB). Free memory was 159.5 MB in the beginning and 165.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:15,358 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 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.01 ms. Allocated memory is still 133.2 MB. Free memory was 89.2 MB in the beginning and 78.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.45 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 176.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.24 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 159.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1538.58 ms. Allocated memory was 199.8 MB in the beginning and 263.2 MB in the end (delta: 63.4 MB). Free memory was 159.5 MB in the beginning and 165.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 97]: 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: [L1] int __return_main; [L6] int __tmp_112_0; [L7] int __tmp_94_0; [L8] int __tmp_93_0; [L9] int __tmp_88_0; [L10] int __tmp_88_1; [L11] int __tmp_91_0; [L12] int __tmp_91_1; [L13] int __return_121; [L16] unsigned int main__x; [L17] unsigned int main__y = 1; [L19] int main____CPAchecker_TMP_0; [L20] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L21] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L23] COND TRUE (main__x % 3) == 1 [L25] main__x = main__x + 2 [L26] main__y = 0 [L27] __tmp_112_0 = main____CPAchecker_TMP_0 [L29] main____CPAchecker_TMP_0 = __tmp_112_0 [L30] __tmp_94_0 = main____CPAchecker_TMP_0 [L32] main____CPAchecker_TMP_0 = __tmp_94_0 [L33] int main____CPAchecker_TMP_0; [L34] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L35] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L88] COND TRUE main__y == 0 [L91] int __tmp_1; [L92] __tmp_1 = (main__x % 3) == 0 [L93] int __VERIFIER_assert__cond; [L94] __VERIFIER_assert__cond = __tmp_1 [L95] COND TRUE __VERIFIER_assert__cond == 0 [L97] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...