java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:54:33,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:54:33,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:54:33,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:54:33,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:54:33,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:54:33,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:54:33,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:54:33,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:54:33,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:54:33,923 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:54:33,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:54:33,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:54:33,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:54:33,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:54:33,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:54:33,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:54:33,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:54:33,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:54:33,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:54:33,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:54:33,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:54:33,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:54:33,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:54:33,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:54:33,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:54:33,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:54:33,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:54:33,949 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 [2019-08-09 23:54:33,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:54:33,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:54:33,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:54:33,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:54:33,975 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:54:33,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:54:33,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:54:33,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:54:33,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:54:33,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:54:33,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:54:33,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:54:33,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:54:33,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:54:33,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:54:33,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:54:33,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:54:33,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:54:33,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:54:33,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:54:33,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:54:33,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:54:33,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:54:33,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:54:33,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:54:33,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:54:33,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:54:33,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:54:33,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:54:34,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:54:34,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:54:34,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:54:34,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:54:34,060 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:54:34,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label31.c [2019-08-09 23:54:34,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3dbd10c/53013492f5264ab784783dee1e24bc3a/FLAGd22294fb8 [2019-08-09 23:54:34,836 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:54:34,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label31.c [2019-08-09 23:54:34,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3dbd10c/53013492f5264ab784783dee1e24bc3a/FLAGd22294fb8 [2019-08-09 23:54:34,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3dbd10c/53013492f5264ab784783dee1e24bc3a [2019-08-09 23:54:34,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:54:34,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:54:34,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:54:34,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:54:34,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:54:34,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:54:34" (1/1) ... [2019-08-09 23:54:34,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c18e061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:34, skipping insertion in model container [2019-08-09 23:54:34,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:54:34" (1/1) ... [2019-08-09 23:54:34,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:54:35,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:54:36,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:54:36,288 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:54:36,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:54:36,756 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:54:36,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36 WrapperNode [2019-08-09 23:54:36,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:54:36,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:54:36,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:54:36,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:54:36,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:36,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (1/1) ... [2019-08-09 23:54:37,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:54:37,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:54:37,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:54:37,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:54:37,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:54:36" (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 [2019-08-09 23:54:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:54:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:54:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:54:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:54:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:54:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:54:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:54:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:54:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:54:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:54:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:54:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:54:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:54:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:54:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:54:40,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:54:40,889 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:54:40,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:54:40 BoogieIcfgContainer [2019-08-09 23:54:40,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:54:40,899 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:54:40,899 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:54:40,899 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:54:40,900 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:54:40" (1/1) ... [2019-08-09 23:55:20,400 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:55:20,408 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:55:20,411 INFO L168 Benchmark]: Toolchain (without parser) took 45483.68 ms. Allocated memory was 131.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 76.8 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1830.19 ms. Allocated memory was 131.1 MB in the beginning and 219.7 MB in the end (delta: 88.6 MB). Free memory was 76.6 MB in the beginning and 101.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,416 INFO L168 Benchmark]: Boogie Preprocessor took 263.64 ms. Allocated memory is still 219.7 MB. Free memory was 101.3 MB in the beginning and 80.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,417 INFO L168 Benchmark]: RCFGBuilder took 3875.53 ms. Allocated memory was 219.7 MB in the beginning and 369.6 MB in the end (delta: 149.9 MB). Free memory was 80.0 MB in the beginning and 163.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,420 INFO L168 Benchmark]: Symbolic Interpretation took 39509.64 ms. Allocated memory was 369.6 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 163.0 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:55:20,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 54]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 979148#(and (= ~a15~0 4) (= ~a18~0 10) (<= ~a3~0 417) (= ~a24~0 1) (< 306 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1830.19 ms. Allocated memory was 131.1 MB in the beginning and 219.7 MB in the end (delta: 88.6 MB). Free memory was 76.6 MB in the beginning and 101.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 263.64 ms. Allocated memory is still 219.7 MB. Free memory was 101.3 MB in the beginning and 80.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3875.53 ms. Allocated memory was 219.7 MB in the beginning and 369.6 MB in the end (delta: 149.9 MB). Free memory was 80.0 MB in the beginning and 163.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39509.64 ms. Allocated memory was 369.6 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 163.0 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...