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-efa34d5 [2019-09-16 17:27:57,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:57,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:58,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:27:58,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:58,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:58,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:58,052 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 17:27:58,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:58,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:58,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:58,079 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:58,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:58,080 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:58,081 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:58,081 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:58,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:58,081 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:58,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:58,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:58,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:58,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:58,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:58,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:58,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:58,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:58,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:58,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:58,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:58,086 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:58,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:58,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:58,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:58,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:58,087 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:58,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:58,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:58,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:58,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:58,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:58,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:58,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:58,137 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:58,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-16 17:27:58,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302fb300/e447785aa18c4b2288d4e3c5053e625e/FLAGcf8513d14 [2019-09-16 17:27:58,690 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:58,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-16 17:27:58,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302fb300/e447785aa18c4b2288d4e3c5053e625e/FLAGcf8513d14 [2019-09-16 17:27:59,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7302fb300/e447785aa18c4b2288d4e3c5053e625e [2019-09-16 17:27:59,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:59,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:59,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:59,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:59,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:59,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e20b204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59, skipping insertion in model container [2019-09-16 17:27:59,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:59,109 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:59,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:59,376 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:59,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:59,509 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:59,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59 WrapperNode [2019-09-16 17:27:59,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:59,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:59,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:59,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:59,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:59,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:59,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:59,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:59,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (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 17:27:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:59,901 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:59,902 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:27:59,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:59 BoogieIcfgContainer [2019-09-16 17:27:59,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:59,905 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:59,905 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:59,911 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:59,912 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:00,091 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:28:01,561 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:01,586 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. [2019-09-16 17:28:01,587 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:01,591 INFO L168 Benchmark]: Toolchain (without parser) took 2520.84 ms. Allocated memory was 136.8 MB in the beginning and 274.7 MB in the end (delta: 137.9 MB). Free memory was 84.8 MB in the beginning and 202.7 MB in the end (delta: -117.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,592 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.97 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 175.1 MB in the end (delta: -90.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,595 INFO L168 Benchmark]: Boogie Preprocessor took 35.49 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 173.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,597 INFO L168 Benchmark]: RCFGBuilder took 357.95 ms. Allocated memory is still 197.1 MB. Free memory was 173.2 MB in the beginning and 156.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,598 INFO L168 Benchmark]: Abstract Interpretation took 1682.14 ms. Allocated memory was 197.1 MB in the beginning and 274.7 MB in the end (delta: 77.6 MB). Free memory was 156.9 MB in the beginning and 202.7 MB in the end (delta: -45.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:01,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 440.97 ms. Allocated memory was 136.8 MB in the beginning and 197.1 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 175.1 MB in the end (delta: -90.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.49 ms. Allocated memory is still 197.1 MB. Free memory was 175.1 MB in the beginning and 173.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.95 ms. Allocated memory is still 197.1 MB. Free memory was 173.2 MB in the beginning and 156.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1682.14 ms. Allocated memory was 197.1 MB in the beginning and 274.7 MB in the end (delta: 77.6 MB). Free memory was 156.9 MB in the beginning and 202.7 MB in the end (delta: -45.8 MB). Peak memory consumption was 31.8 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...