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_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:55:22,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:55:22,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:55:22,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:55:22,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:55:22,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:55:22,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:55:22,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:55:22,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:55:22,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:55:22,876 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:55:22,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:55:22,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:55:22,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:55:22,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:55:22,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:55:22,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:55:22,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:55:22,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:55:22,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:55:22,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:55:22,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:55:22,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:55:22,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:55:22,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:55:22,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:55:22,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:55:22,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:55:22,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:55:22,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:55:22,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:55:22,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:55:22,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:55:22,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:55:22,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:55:22,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:55:22,905 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 23:55:22,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:55:22,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:55:22,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:55:22,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:55:22,925 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:55:22,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:55:22,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:55:22,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:55:22,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:55:22,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:55:22,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:55:22,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:55:22,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:55:22,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:55:22,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:55:22,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:55:22,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:55:22,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:55:22,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:55:22,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:55:22,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:55:22,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:55:22,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:55:22,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:55:22,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:55:22,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:55:22,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:55:22,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:55:22,983 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:55:22,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label35.c [2019-08-09 23:55:23,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301de63a4/79fe862b97f5453285e753f65f8ef251/FLAGf81e3a8fe [2019-08-09 23:55:23,790 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:55:23,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label35.c [2019-08-09 23:55:23,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301de63a4/79fe862b97f5453285e753f65f8ef251/FLAGf81e3a8fe [2019-08-09 23:55:23,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301de63a4/79fe862b97f5453285e753f65f8ef251 [2019-08-09 23:55:23,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:55:23,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:55:23,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:55:23,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:55:23,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:55:23,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:55:23" (1/1) ... [2019-08-09 23:55:23,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b104114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:23, skipping insertion in model container [2019-08-09 23:55:23,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:55:23" (1/1) ... [2019-08-09 23:55:23,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:55:24,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:55:25,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:55:25,280 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:55:25,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:55:25,820 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:55:25,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25 WrapperNode [2019-08-09 23:55:25,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:55:25,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:55:25,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:55:25,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:55:25,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:25,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:25,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:25,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:25,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:26,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:26,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (1/1) ... [2019-08-09 23:55:26,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:55:26,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:55:26,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:55:26,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:55:26,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:55:25" (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 23:55:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:55:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:55:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:55:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:55:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:55:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:55:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:55:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:55:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:55:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:55:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:55:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:55:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:55:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:55:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:55:30,034 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:55:30,034 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:55:30,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:55:30 BoogieIcfgContainer [2019-08-09 23:55:30,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:55:30,037 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:55:30,037 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:55:30,037 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:55:30,038 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:55:30" (1/1) ... [2019-08-09 23:56:08,695 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:56:08,703 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:56:08,706 INFO L168 Benchmark]: Toolchain (without parser) took 44805.45 ms. Allocated memory was 140.0 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 78.6 MB in the beginning and 1.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,707 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1916.73 ms. Allocated memory was 140.0 MB in the beginning and 239.1 MB in the end (delta: 99.1 MB). Free memory was 78.4 MB in the beginning and 152.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,709 INFO L168 Benchmark]: Boogie Preprocessor took 268.50 ms. Allocated memory is still 239.1 MB. Free memory was 152.2 MB in the beginning and 131.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,710 INFO L168 Benchmark]: RCFGBuilder took 3943.29 ms. Allocated memory was 239.1 MB in the beginning and 360.2 MB in the end (delta: 121.1 MB). Free memory was 131.1 MB in the beginning and 177.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,711 INFO L168 Benchmark]: Symbolic Interpretation took 38666.79 ms. Allocated memory was 360.2 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 177.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:56:08,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 51]: 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 979337#(and (= ~a15~0 4) (< 417 ~a3~0) (= ~a24~0 1) (= ~a18~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1916.73 ms. Allocated memory was 140.0 MB in the beginning and 239.1 MB in the end (delta: 99.1 MB). Free memory was 78.4 MB in the beginning and 152.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 268.50 ms. Allocated memory is still 239.1 MB. Free memory was 152.2 MB in the beginning and 131.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3943.29 ms. Allocated memory was 239.1 MB in the beginning and 360.2 MB in the end (delta: 121.1 MB). Free memory was 131.1 MB in the beginning and 177.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 38666.79 ms. Allocated memory was 360.2 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 177.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...