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-f4eb214f-m [2019-10-14 00:39:07,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:07,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:07,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:39:07,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:07,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:07,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:07,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:07,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:07,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:07,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:07,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:07,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:07,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:07,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:07,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:07,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:07,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:07,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:07,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:07,094 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 [2019-10-14 00:39:07,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:07,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:07,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:07,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:07,110 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:07,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:07,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:07,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:07,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:07,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:07,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:07,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:07,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:07,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:07,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:07,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:07,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:07,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:07,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:07,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:07,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:07,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:07,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:07,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:07,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:07,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:07,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:07,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:07,422 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:07,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-10-14 00:39:07,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcfa49b/30fe8c95ebeb477395c3fa7fcb87bce7/FLAGed499ea8d [2019-10-14 00:39:08,011 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:08,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-10-14 00:39:08,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcfa49b/30fe8c95ebeb477395c3fa7fcb87bce7/FLAGed499ea8d [2019-10-14 00:39:08,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcfa49b/30fe8c95ebeb477395c3fa7fcb87bce7 [2019-10-14 00:39:08,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:08,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:08,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:08,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:08,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:08,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e7d651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08, skipping insertion in model container [2019-10-14 00:39:08,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:08,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:08,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:08,628 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:08,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:08,679 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:08,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08 WrapperNode [2019-10-14 00:39:08,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:08,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:08,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:08,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:08,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (1/1) ... [2019-10-14 00:39:08,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:08,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:08,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:08,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:08,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:08" (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 [2019-10-14 00:39:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:09,175 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:09,175 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:39:09,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:09 BoogieIcfgContainer [2019-10-14 00:39:09,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:09,178 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:09,178 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:09,178 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:09,179 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:09" (1/1) ... [2019-10-14 00:39:09,209 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:09,370 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:09,392 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. [2019-10-14 00:39:09,392 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:09,395 INFO L168 Benchmark]: Toolchain (without parser) took 1007.65 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.7 MB in the beginning and 154.0 MB in the end (delta: -53.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,396 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.45 ms. Allocated memory is still 137.4 MB. Free memory was 100.5 MB in the beginning and 89.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,398 INFO L168 Benchmark]: Boogie Preprocessor took 119.83 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 89.7 MB in the beginning and 179.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,399 INFO L168 Benchmark]: RCFGBuilder took 376.81 ms. Allocated memory is still 201.3 MB. Free memory was 179.1 MB in the beginning and 162.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,400 INFO L168 Benchmark]: Abstract Interpretation took 214.71 ms. Allocated memory is still 201.3 MB. Free memory was 162.7 MB in the beginning and 154.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:09,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 292.45 ms. Allocated memory is still 137.4 MB. Free memory was 100.5 MB in the beginning and 89.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.83 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 89.7 MB in the beginning and 179.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.81 ms. Allocated memory is still 201.3 MB. Free memory was 179.1 MB in the beginning and 162.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 214.71 ms. Allocated memory is still 201.3 MB. Free memory was 162.7 MB in the beginning and 154.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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...