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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:17,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:17,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:17,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 04:44:17,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:17,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:17,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:17,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:17,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:17,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:17,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:17,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:17,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:17,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:17,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:17,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:17,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:17,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:17,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:17,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:17,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:17,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:17,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:17,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:17,863 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:17,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:17,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:17,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:17,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:17,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:17,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:17,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:17,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:17,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:17,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:17,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:17,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:17,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:17,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:17,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:17,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:17,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:17,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:17,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:17,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:17,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:17,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:17,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:17,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:18,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:18,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:18,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:18,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:18,221 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:18,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-10-15 04:44:18,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f61bc6dd/8bcd0f51b4bb41d3b4d4691240d804af/FLAG7d2cc2d85 [2019-10-15 04:44:18,753 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:18,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-10-15 04:44:18,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f61bc6dd/8bcd0f51b4bb41d3b4d4691240d804af/FLAG7d2cc2d85 [2019-10-15 04:44:19,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f61bc6dd/8bcd0f51b4bb41d3b4d4691240d804af [2019-10-15 04:44:19,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:19,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:19,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:19,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:19,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:19,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18910f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19, skipping insertion in model container [2019-10-15 04:44:19,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:19,171 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:19,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:19,390 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:19,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:19,435 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:19,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19 WrapperNode [2019-10-15 04:44:19,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:19,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:19,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:19,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:19,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:19,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:19,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:19,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:19,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:19" (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 [2019-10-15 04:44:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:19,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:19,904 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:19,904 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:44:19,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:19 BoogieIcfgContainer [2019-10-15 04:44:19,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:19,907 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:19,907 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:19,907 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:19,908 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:19" (1/1) ... [2019-10-15 04:44:19,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:20,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:20,111 INFO L272 AbstractInterpreter]: Visited 53 different actions 87 times. Merged at 8 different actions 19 times. Widened at 2 different actions 3 times. Performed 151 root evaluator evaluations with a maximum evaluation depth of 4. Performed 151 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 5 fixpoints after 3 different actions. Largest state had 9 variables. [2019-10-15 04:44:20,111 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:20,114 INFO L168 Benchmark]: Toolchain (without parser) took 994.44 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 101.7 MB in the beginning and 152.6 MB in the end (delta: -50.9 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,115 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.1 MB. Free memory is still 119.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:20,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.66 ms. Allocated memory is still 143.1 MB. Free memory was 101.3 MB in the beginning and 90.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,117 INFO L168 Benchmark]: Boogie Preprocessor took 125.06 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 178.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,118 INFO L168 Benchmark]: RCFGBuilder took 343.95 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 161.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,119 INFO L168 Benchmark]: Abstract Interpretation took 204.75 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 152.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:20,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.1 MB. Free memory is still 119.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.66 ms. Allocated memory is still 143.1 MB. Free memory was 101.3 MB in the beginning and 90.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.06 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 178.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.95 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 161.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 204.75 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 152.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 91]: 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_720; [L10] int main__x = 0; [L11] int main__y = 50; [L12] COND TRUE main__x < 100 [L14] COND TRUE main__x < 50 [L16] main__x = main__x + 1 [L18] COND TRUE main__x < 100 [L20] COND TRUE main__x < 50 [L22] main__x = main__x + 1 [L24] COND TRUE main__x < 100 [L26] COND TRUE main__x < 50 [L28] main__x = main__x + 1 [L30] COND TRUE main__x < 100 [L32] COND TRUE main__x < 50 [L34] main__x = main__x + 1 [L36] COND TRUE main__x < 100 [L38] COND TRUE main__x < 50 [L40] main__x = main__x + 1 [L42] COND TRUE main__x < 100 [L44] COND TRUE main__x < 50 [L46] main__x = main__x + 1 [L48] COND TRUE main__x < 100 [L50] COND TRUE main__x < 50 [L52] main__x = main__x + 1 [L54] COND TRUE main__x < 100 [L56] COND TRUE main__x < 50 [L58] main__x = main__x + 1 [L60] COND TRUE main__x < 100 [L62] COND TRUE main__x < 50 [L64] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND TRUE main__x < 50 [L71] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND TRUE main__x < 50 [L71] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND TRUE main__x < 50 [L71] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND TRUE main__x < 50 [L71] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND TRUE main__x < 50 [L71] main__x = main__x + 1 [L67] COND TRUE main__x < 100 [L69] COND FALSE !(main__x < 50) [L77] main__x = main__x + 1 [L78] main__y = main__y + 1 [L67] COND FALSE !(main__x < 100) [L85] int __tmp_1; [L86] __tmp_1 = main__y == 100 [L87] int __VERIFIER_assert__cond; [L88] __VERIFIER_assert__cond = __tmp_1 [L89] COND TRUE __VERIFIER_assert__cond == 0 [L91] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...