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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:55:01,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:55:01,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:55:01,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:55:01,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:55:01,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:55:01,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:55:01,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:55:01,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:55:01,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:55:01,961 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:55:01,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:55:01,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:55:01,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:55:01,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:55:01,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:55:01,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:55:01,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:55:01,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:55:01,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:55:01,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:55:01,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:55:01,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:55:01,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:55:01,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 14:55:01,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:55:01,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:55:01,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:55:01,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:55:01,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:55:01,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:55:01,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:55:01,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:55:01,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:55:01,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:55:01,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:55:01,998 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 [2019-08-14 14:55:02,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:55:02,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:55:02,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:55:02,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:55:02,030 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:55:02,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:55:02,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:55:02,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:55:02,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:55:02,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:55:02,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:55:02,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:55:02,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:55:02,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:55:02,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:55:02,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:55:02,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:55:02,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:55:02,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:55:02,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:55:02,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:55:02,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:55:02,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:55:02,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:55:02,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:55:02,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:55:02,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:55:02,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:55:02,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:55:02,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:55:02,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:55:02,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:55:02,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:55:02,084 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:55:02,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2019-08-14 14:55:02,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309fcdcfc/da11c3e4c53d4727880a5caa373f21f5/FLAGa4623e55f [2019-08-14 14:55:02,720 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:55:02,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2019-08-14 14:55:02,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309fcdcfc/da11c3e4c53d4727880a5caa373f21f5/FLAGa4623e55f [2019-08-14 14:55:02,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/309fcdcfc/da11c3e4c53d4727880a5caa373f21f5 [2019-08-14 14:55:03,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:55:03,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:55:03,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:55:03,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:55:03,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:55:03,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:55:02" (1/1) ... [2019-08-14 14:55:03,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dab538b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03, skipping insertion in model container [2019-08-14 14:55:03,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:55:02" (1/1) ... [2019-08-14 14:55:03,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:55:03,084 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:55:03,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:55:03,689 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:55:03,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:55:03,885 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:55:03,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03 WrapperNode [2019-08-14 14:55:03,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:55:03,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:55:03,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:55:03,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:55:03,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:03,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:03,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:03,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:03,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:04,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:04,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (1/1) ... [2019-08-14 14:55:04,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:55:04,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:55:04,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:55:04,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:55:04,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:55:03" (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 [2019-08-14 14:55:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:55:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:55:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:55:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:55:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:55:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:55:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:55:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:55:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:55:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:55:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:55:05,465 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:55:05,465 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:55:05,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:55:05 BoogieIcfgContainer [2019-08-14 14:55:05,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:55:05,467 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:55:05,467 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:55:05,468 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:55:05,469 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:55:05" (1/1) ... [2019-08-14 14:55:22,064 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 14:55:22,067 INFO L168 Benchmark]: Toolchain (without parser) took 19057.60 ms. Allocated memory was 139.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 85.0 MB in the beginning and 568.6 MB in the end (delta: -483.7 MB). Peak memory consumption was 997.6 MB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,068 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.90 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 84.6 MB in the beginning and 166.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,070 INFO L168 Benchmark]: Boogie Preprocessor took 136.95 ms. Allocated memory is still 203.9 MB. Free memory was 166.4 MB in the beginning and 160.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,071 INFO L168 Benchmark]: RCFGBuilder took 1438.43 ms. Allocated memory was 203.9 MB in the beginning and 227.5 MB in the end (delta: 23.6 MB). Free memory was 160.9 MB in the beginning and 158.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,072 INFO L168 Benchmark]: Symbolic Interpretation took 16596.95 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 968.9 MB). Free memory was 158.1 MB in the beginning and 568.6 MB in the end (delta: -410.6 MB). Peak memory consumption was 982.6 MB. Max. memory is 7.1 GB. [2019-08-14 14:55:22,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 411975#(and (<= ~a12~0 80) (= ~a15~0 7) (< 11 ~a12~0) (= ~a24~0 1) (= ~a21~0 10)). 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 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 881.90 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 84.6 MB in the beginning and 166.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.95 ms. Allocated memory is still 203.9 MB. Free memory was 166.4 MB in the beginning and 160.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1438.43 ms. Allocated memory was 203.9 MB in the beginning and 227.5 MB in the end (delta: 23.6 MB). Free memory was 160.9 MB in the beginning and 158.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 16596.95 ms. Allocated memory was 227.5 MB in the beginning and 1.2 GB in the end (delta: 968.9 MB). Free memory was 158.1 MB in the beginning and 568.6 MB in the end (delta: -410.6 MB). Peak memory consumption was 982.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...