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/Problem11_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:49:18,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:49:18,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:49:18,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:49:18,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:49:18,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:49:18,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:49:18,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:49:18,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:49:18,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:49:18,882 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:49:18,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:49:18,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:49:18,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:49:18,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:49:18,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:49:18,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:49:18,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:49:18,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:49:18,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:49:18,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:49:18,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:49:18,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:49:18,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:49:18,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:49:18,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:49:18,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:49:18,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:49:18,926 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 [2019-08-08 10:49:18,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:49:18,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:49:18,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:49:18,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:49:18,960 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:49:18,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:49:18,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:49:18,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:49:18,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:49:18,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:49:18,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:49:18,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:49:18,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:49:18,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:49:18,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:49:18,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:49:18,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:49:18,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:49:18,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:49:18,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:49:18,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:49:18,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:49:18,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:49:18,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:49:18,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:49:18,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:49:18,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:49:18,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:49:18,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:49:19,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:49:19,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:49:19,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:49:19,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:49:19,043 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:49:19,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label40.c [2019-08-08 10:49:19,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec9e23d7/96b3665cae22413da0e7e1993e1e86c7/FLAG4afbb7698 [2019-08-08 10:49:19,785 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:49:19,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label40.c [2019-08-08 10:49:19,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec9e23d7/96b3665cae22413da0e7e1993e1e86c7/FLAG4afbb7698 [2019-08-08 10:49:19,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec9e23d7/96b3665cae22413da0e7e1993e1e86c7 [2019-08-08 10:49:19,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:49:19,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:49:19,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:19,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:49:19,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:49:19,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:19" (1/1) ... [2019-08-08 10:49:19,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acb4810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:19, skipping insertion in model container [2019-08-08 10:49:19,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:49:19" (1/1) ... [2019-08-08 10:49:19,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:49:20,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:49:20,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:20,965 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:49:21,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:49:21,205 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:49:21,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21 WrapperNode [2019-08-08 10:49:21,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:49:21,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:49:21,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:49:21,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:49:21,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (1/1) ... [2019-08-08 10:49:21,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:49:21,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:49:21,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:49:21,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:49:21,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:49:21" (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 [2019-08-08 10:49:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:49:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:49:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:49:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:49:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:49:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:49:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:49:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:49:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:49:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:49:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:49:27,019 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:49:27,020 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:49:27,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:49:27 BoogieIcfgContainer [2019-08-08 10:49:27,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:49:27,022 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:49:27,022 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:49:27,022 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:49:27,023 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:49:27" (1/1) ... [2019-08-08 10:49:27,040 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:49:27,043 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:49:27,052 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:49:27,060 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:49:27,061 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:49:27,122 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 10:49:42,003 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 85 [2019-08-08 10:49:42,701 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:49:42,702 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:49:42,709 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 483144#(and (= 1 ~a3~0) (<= ~a23~0 306) (= 15 ~a8~0) (= ~a25~0 10) (= 1 ~a4~0) (< 138 ~a23~0) (<= ~a29~0 140)) [2019-08-08 10:49:42,710 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:49:42,718 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:49:42,722 INFO L168 Benchmark]: Toolchain (without parser) took 22755.28 ms. Allocated memory was 139.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 85.3 MB in the beginning and 1.1 GB in the end (delta: -976.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,723 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1239.31 ms. Allocated memory was 139.5 MB in the beginning and 224.4 MB in the end (delta: 84.9 MB). Free memory was 85.1 MB in the beginning and 179.6 MB in the end (delta: -94.5 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,726 INFO L168 Benchmark]: Boogie Preprocessor took 153.85 ms. Allocated memory is still 224.4 MB. Free memory was 178.7 MB in the beginning and 171.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,728 INFO L168 Benchmark]: RCFGBuilder took 5659.48 ms. Allocated memory was 224.4 MB in the beginning and 284.2 MB in the end (delta: 59.8 MB). Free memory was 170.9 MB in the beginning and 179.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,729 INFO L168 Benchmark]: Symbolic Interpretation took 15696.71 ms. Allocated memory was 284.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 179.4 MB in the beginning and 1.1 GB in the end (delta: -882.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-08 10:49:42,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 138]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1239.31 ms. Allocated memory was 139.5 MB in the beginning and 224.4 MB in the end (delta: 84.9 MB). Free memory was 85.1 MB in the beginning and 179.6 MB in the end (delta: -94.5 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.85 ms. Allocated memory is still 224.4 MB. Free memory was 178.7 MB in the beginning and 171.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5659.48 ms. Allocated memory was 224.4 MB in the beginning and 284.2 MB in the end (delta: 59.8 MB). Free memory was 170.9 MB in the beginning and 179.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15696.71 ms. Allocated memory was 284.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 179.4 MB in the beginning and 1.1 GB in the end (delta: -882.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...