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_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:39:19,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:39:19,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:39:19,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:39:19,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:39:19,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:39:19,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:39:19,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:39:19,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:39:19,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:39:19,984 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:39:19,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:39:19,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:39:19,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:39:19,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:39:19,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:39:19,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:39:19,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:39:19,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:39:20,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:39:20,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:39:20,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:39:20,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:39:20,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:39:20,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:39:20,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:39:20,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:39:20,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:39:20,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:39:20,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:39:20,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:39:20,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:39:20,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:39:20,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:39:20,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:39:20,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:39:20,026 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 20:39:20,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:39:20,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:39:20,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:39:20,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:39:20,068 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:39:20,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:39:20,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:39:20,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:39:20,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:39:20,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:39:20,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:39:20,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:39:20,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:39:20,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:39:20,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:39:20,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:39:20,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:39:20,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:39:20,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:39:20,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:39:20,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:39:20,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:39:20,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:39:20,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:39:20,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:39:20,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:39:20,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:39:20,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:39:20,129 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:39:20,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label31.c [2019-08-09 20:39:20,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccfe34a/946ca5125fc649f2b5d2a82ab0082e79/FLAGd3e75a549 [2019-08-09 20:39:20,738 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:39:20,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label31.c [2019-08-09 20:39:20,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccfe34a/946ca5125fc649f2b5d2a82ab0082e79/FLAGd3e75a549 [2019-08-09 20:39:21,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccfe34a/946ca5125fc649f2b5d2a82ab0082e79 [2019-08-09 20:39:21,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:39:21,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:39:21,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:39:21,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:39:21,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:39:21,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:39:21" (1/1) ... [2019-08-09 20:39:21,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec71381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:21, skipping insertion in model container [2019-08-09 20:39:21,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:39:21" (1/1) ... [2019-08-09 20:39:21,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:39:21,131 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:39:21,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:39:21,693 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:39:21,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:39:22,002 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:39:22,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22 WrapperNode [2019-08-09 20:39:22,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:39:22,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:39:22,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:39:22,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:39:22,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (1/1) ... [2019-08-09 20:39:22,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:39:22,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:39:22,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:39:22,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:39:22,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:22" (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 20:39:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:39:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:39:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:39:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:39:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:39:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:39:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:39:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:39:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:39:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:39:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:39:23,798 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:39:23,798 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:39:23,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:39:23 BoogieIcfgContainer [2019-08-09 20:39:23,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:39:23,800 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:39:23,801 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:39:23,801 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:39:23,802 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:39:23" (1/1) ... [2019-08-09 20:39:38,859 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:39:38,867 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:39:38,870 INFO L168 Benchmark]: Toolchain (without parser) took 17815.23 ms. Allocated memory was 133.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.1 MB in the beginning and 956.5 MB in the end (delta: -869.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,871 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.36 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 164.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,874 INFO L168 Benchmark]: Boogie Preprocessor took 172.96 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 159.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,875 INFO L168 Benchmark]: RCFGBuilder took 1621.76 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 156.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,876 INFO L168 Benchmark]: Symbolic Interpretation took 15067.25 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 156.0 MB in the beginning and 956.5 MB in the end (delta: -800.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 20:39:38,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 73]: 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 409388#(and (<= ~a12~0 80) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 8) (= ~a15~0 6)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 949.36 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 164.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.96 ms. Allocated memory is still 203.4 MB. Free memory was 164.8 MB in the beginning and 159.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.76 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 156.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15067.25 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 156.0 MB in the beginning and 956.5 MB in the end (delta: -800.5 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...