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/Problem14_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:43:54,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:43:54,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:43:54,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:43:54,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:43:54,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:43:54,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:43:54,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:43:54,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:43:54,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:43:54,919 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:43:54,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:43:54,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:43:54,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:43:54,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:43:54,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:43:54,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:43:54,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:43:54,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:43:54,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:43:54,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:43:54,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:43:54,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:43:54,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:43:54,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:43:54,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:43:54,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:43:54,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:43:54,945 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 20:43:54,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:43:54,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:43:54,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:43:54,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:43:54,961 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:43:54,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:43:54,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:43:54,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:43:54,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:43:54,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:43:54,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:43:54,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:43:54,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:43:54,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:43:54,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:43:54,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:43:54,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:43:54,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:43:54,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:43:54,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:43:55,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:43:55,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:43:55,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:43:55,014 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:43:55,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label57.c [2019-08-09 20:43:55,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f694a30d/f1ec9f97d841476793a1e4633fb6e416/FLAGa60611274 [2019-08-09 20:43:55,584 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:43:55,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label57.c [2019-08-09 20:43:55,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f694a30d/f1ec9f97d841476793a1e4633fb6e416/FLAGa60611274 [2019-08-09 20:43:55,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f694a30d/f1ec9f97d841476793a1e4633fb6e416 [2019-08-09 20:43:55,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:43:55,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:43:55,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:43:55,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:43:55,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:43:55,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:43:55" (1/1) ... [2019-08-09 20:43:55,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e077e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:55, skipping insertion in model container [2019-08-09 20:43:55,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:43:55" (1/1) ... [2019-08-09 20:43:55,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:43:55,977 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:43:56,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:43:56,601 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:43:56,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:43:56,766 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:43:56,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56 WrapperNode [2019-08-09 20:43:56,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:43:56,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:43:56,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:43:56,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:43:56,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (1/1) ... [2019-08-09 20:43:56,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:43:56,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:43:56,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:43:56,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:43:56,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:43:56" (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 20:43:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:43:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:43:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:43:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:43:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:43:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:43:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:43:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:43:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:43:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:43:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:43:58,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:43:58,467 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:43:58,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:43:58 BoogieIcfgContainer [2019-08-09 20:43:58,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:43:58,470 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:43:58,473 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:43:58,473 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:43:58,474 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:43:58" (1/1) ... [2019-08-09 20:44:13,078 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:44:13,087 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:44:13,090 INFO L168 Benchmark]: Toolchain (without parser) took 17175.67 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 83.8 MB in the beginning and 697.6 MB in the end (delta: -613.8 MB). Peak memory consumption was 932.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,091 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.38 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 83.6 MB in the beginning and 164.7 MB in the end (delta: -81.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,093 INFO L168 Benchmark]: Boogie Preprocessor took 122.69 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 159.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,094 INFO L168 Benchmark]: RCFGBuilder took 1579.89 ms. Allocated memory was 202.4 MB in the beginning and 223.3 MB in the end (delta: 21.0 MB). Free memory was 159.1 MB in the beginning and 156.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,095 INFO L168 Benchmark]: Symbolic Interpretation took 14616.85 ms. Allocated memory was 223.3 MB in the beginning and 1.1 GB in the end (delta: 920.1 MB). Free memory was 156.8 MB in the beginning and 697.6 MB in the end (delta: -540.8 MB). Peak memory consumption was 919.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:44:13,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 94]: 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 410971#(and (= ~a15~0 7) (= ~a24~0 1) (< 80 ~a12~0) (= ~a21~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 852.38 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 83.6 MB in the beginning and 164.7 MB in the end (delta: -81.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.69 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 159.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1579.89 ms. Allocated memory was 202.4 MB in the beginning and 223.3 MB in the end (delta: 21.0 MB). Free memory was 159.1 MB in the beginning and 156.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14616.85 ms. Allocated memory was 223.3 MB in the beginning and 1.1 GB in the end (delta: 920.1 MB). Free memory was 156.8 MB in the beginning and 697.6 MB in the end (delta: -540.8 MB). Peak memory consumption was 919.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...