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/Problem10_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:36:59,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:36:59,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:36:59,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:36:59,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:36:59,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:36:59,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:36:59,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:36:59,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:36:59,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:36:59,931 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:36:59,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:36:59,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:36:59,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:36:59,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:36:59,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:36:59,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:36:59,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:36:59,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:36:59,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:36:59,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:36:59,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:36:59,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:36:59,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:36:59,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:36:59,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:36:59,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:36:59,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:36:59,958 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 17:36:59,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:36:59,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:36:59,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:36:59,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:36:59,974 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:36:59,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:36:59,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:36:59,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:36:59,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:36:59,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:36:59,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:36:59,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:36:59,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:36:59,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:36:59,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:36:59,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:36:59,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:36:59,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:36:59,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:36:59,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:36:59,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:36:59,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:36:59,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:36:59,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:37:00,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:37:00,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:37:00,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:37:00,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:37:00,036 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:37:00,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2019-08-09 17:37:00,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656c41a0/ec05525f5dd1418695b55e8e230272a2/FLAG158dc1df4 [2019-08-09 17:37:00,665 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:37:00,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2019-08-09 17:37:00,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656c41a0/ec05525f5dd1418695b55e8e230272a2/FLAG158dc1df4 [2019-08-09 17:37:00,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656c41a0/ec05525f5dd1418695b55e8e230272a2 [2019-08-09 17:37:00,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:37:00,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:37:00,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:37:00,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:37:00,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:37:00,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:37:00" (1/1) ... [2019-08-09 17:37:00,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a4f48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:00, skipping insertion in model container [2019-08-09 17:37:00,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:37:00" (1/1) ... [2019-08-09 17:37:00,972 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:37:01,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:37:01,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:37:01,611 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:37:01,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:37:01,729 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:37:01,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01 WrapperNode [2019-08-09 17:37:01,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:37:01,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:37:01,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:37:01,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:37:01,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (1/1) ... [2019-08-09 17:37:01,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:37:01,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:37:01,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:37:01,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:37:01,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:01" (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 17:37:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:37:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:37:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:37:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:37:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:37:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:37:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:37:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:37:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:37:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:37:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:37:03,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:37:03,272 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:37:03,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:37:03 BoogieIcfgContainer [2019-08-09 17:37:03,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:37:03,274 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:37:03,274 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:37:03,274 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:37:03,275 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:37:03" (1/1) ... [2019-08-09 17:37:22,979 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:37:22,989 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:37:22,994 INFO L168 Benchmark]: Toolchain (without parser) took 22036.07 ms. Allocated memory was 138.4 MB in the beginning and 1.1 GB in the end (delta: 971.5 MB). Free memory was 83.4 MB in the beginning and 42.2 MB in the end (delta: 41.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 17:37:22,998 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 17:37:22,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.36 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 83.2 MB in the beginning and 167.6 MB in the end (delta: -84.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:23,002 INFO L168 Benchmark]: Boogie Preprocessor took 114.50 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:23,009 INFO L168 Benchmark]: RCFGBuilder took 1428.63 ms. Allocated memory was 201.9 MB in the beginning and 223.3 MB in the end (delta: 21.5 MB). Free memory was 162.2 MB in the beginning and 180.8 MB in the end (delta: -18.7 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:23,011 INFO L168 Benchmark]: Symbolic Interpretation took 19715.80 ms. Allocated memory was 223.3 MB in the beginning and 1.1 GB in the end (delta: 886.6 MB). Free memory was 180.8 MB in the beginning and 42.2 MB in the end (delta: 138.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 17:37:23,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 34]: 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 155583#(and (= 14 ~a4~0) (= ~a19~0 6) (= ~a12~0 0) (= ~a10~0 4) (<= (+ ~a1~0 13) 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.36 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 83.2 MB in the beginning and 167.6 MB in the end (delta: -84.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.50 ms. Allocated memory is still 201.9 MB. Free memory was 167.6 MB in the beginning and 162.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1428.63 ms. Allocated memory was 201.9 MB in the beginning and 223.3 MB in the end (delta: 21.5 MB). Free memory was 162.2 MB in the beginning and 180.8 MB in the end (delta: -18.7 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19715.80 ms. Allocated memory was 223.3 MB in the beginning and 1.1 GB in the end (delta: 886.6 MB). Free memory was 180.8 MB in the beginning and 42.2 MB in the end (delta: 138.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...