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-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:52,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:52,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:52,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:27:52,942 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 17:27:52,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:52,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:52,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:52,967 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:52,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:52,968 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:52,969 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:52,969 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:52,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:52,969 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:52,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:52,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:52,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:52,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:52,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:52,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:52,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:52,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:52,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:52,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:52,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:52,974 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:52,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:52,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:52,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:52,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:52,975 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:52,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:52,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:52,976 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:53,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:53,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:53,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:53,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:53,041 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:53,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-16 17:27:53,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa6676a1/188d31e06436448e8a0a8727469798d7/FLAG79f9efae5 [2019-09-16 17:27:53,605 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:53,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-16 17:27:53,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa6676a1/188d31e06436448e8a0a8727469798d7/FLAG79f9efae5 [2019-09-16 17:27:54,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa6676a1/188d31e06436448e8a0a8727469798d7 [2019-09-16 17:27:54,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:54,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:54,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:54,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:54,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:54,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73eb1a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54, skipping insertion in model container [2019-09-16 17:27:54,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:54,061 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:54,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:54,278 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:54,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:54,305 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:54,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54 WrapperNode [2019-09-16 17:27:54,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:54,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:54,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:54,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:54,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:54,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:54,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:54,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:54,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:54" (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 17:27:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:54,670 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:54,671 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:27:54,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:54 BoogieIcfgContainer [2019-09-16 17:27:54,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:54,673 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:54,673 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:54,680 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:54,681 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:54" (1/1) ... [2019-09-16 17:27:54,735 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:54,942 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:27:54,968 INFO L272 AbstractInterpreter]: Visited 19 different actions 65 times. Merged at 7 different actions 35 times. Widened at 1 different actions 3 times. Performed 147 root evaluator evaluations with a maximum evaluation depth of 4. Performed 147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 8 fixpoints after 2 different actions. Largest state had 11 variables. [2019-09-16 17:27:54,968 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:54,974 INFO L168 Benchmark]: Toolchain (without parser) took 947.84 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 84.7 MB in the beginning and 154.6 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:27:54,976 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:54,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.83 ms. Allocated memory is still 138.4 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. [2019-09-16 17:27:54,980 INFO L168 Benchmark]: Boogie Preprocessor took 128.05 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 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 10.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:54,982 INFO L168 Benchmark]: RCFGBuilder took 236.85 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 163.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:54,983 INFO L168 Benchmark]: Abstract Interpretation took 296.38 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 154.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:54,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.83 ms. Allocated memory is still 138.4 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 128.05 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 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 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.85 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 163.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 296.38 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 154.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 43]: 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; [L7] int __return_65; [L10] int main__x; [L11] int main__y; [L12] main__x = -50 [L13] main__y = __VERIFIER_nondet_int() [L14] COND FALSE !(!(-1000 < main__y)) [L20] COND FALSE !(!(main__y < 1000000)) [L27] COND TRUE main__x < 0 [L29] main__x = main__x + main__y [L30] int main____CPAchecker_TMP_0 = main__y; [L31] main__y = main__y + 1 [L27] COND FALSE !(main__x < 0) [L37] int __tmp_1; [L38] __tmp_1 = main__y > 0 [L39] int __VERIFIER_assert__cond; [L40] __VERIFIER_assert__cond = __tmp_1 [L41] COND TRUE __VERIFIER_assert__cond == 0 [L43] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...