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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:37:27,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:37:27,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:37:28,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:37:28,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:37:28,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:37:28,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:37:28,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:37:28,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:37:28,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:37:28,017 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:37:28,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:37:28,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:37:28,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:37:28,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:37:28,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:37:28,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:37:28,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:37:28,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:37:28,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:37:28,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:37:28,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:37:28,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:37:28,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:37:28,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:37:28,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:37:28,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:37:28,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:37:28,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:37:28,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:37:28,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:37:28,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:37:28,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:37:28,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:37:28,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:37:28,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:37:28,053 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 17:37:28,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:37:28,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:37:28,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:37:28,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:37:28,073 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:37:28,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:37:28,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:37:28,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:37:28,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:37:28,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:37:28,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:37:28,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:37:28,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:37:28,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:37:28,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:37:28,076 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:37:28,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:37:28,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:37:28,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:37:28,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:37:28,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:37:28,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:37:28,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:37:28,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:37:28,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:37:28,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:37:28,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:37:28,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:37:28,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:37:28,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:37:28,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:37:28,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:37:28,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:37:28,162 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:37:28,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23.c [2019-08-09 17:37:28,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5269b2ba7/fa33054a67144eb3b1da103ab8ff187a/FLAG87ab4e117 [2019-08-09 17:37:28,805 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:37:28,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label23.c [2019-08-09 17:37:28,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5269b2ba7/fa33054a67144eb3b1da103ab8ff187a/FLAG87ab4e117 [2019-08-09 17:37:29,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5269b2ba7/fa33054a67144eb3b1da103ab8ff187a [2019-08-09 17:37:29,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:37:29,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:37:29,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:37:29,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:37:29,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:37:29,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc6f792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29, skipping insertion in model container [2019-08-09 17:37:29,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,078 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:37:29,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:37:29,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:37:29,615 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:37:29,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:37:29,878 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:37:29,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29 WrapperNode [2019-08-09 17:37:29,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:37:29,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:37:29,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:37:29,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:37:29,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:29,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (1/1) ... [2019-08-09 17:37:30,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:37:30,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:37:30,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:37:30,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:37:30,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:37:29" (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 17:37:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:37:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:37:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:37:30,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:37:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:37:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:37:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:37:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:37:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:37:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:37:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:37:31,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:37:31,454 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:37:31,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:37:31 BoogieIcfgContainer [2019-08-09 17:37:31,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:37:31,456 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:37:31,456 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:37:31,457 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:37:31,458 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:37:31" (1/1) ... [2019-08-09 17:37:50,960 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:37:50,969 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:37:50,973 INFO L168 Benchmark]: Toolchain (without parser) took 21910.17 ms. Allocated memory was 133.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.9 MB in the beginning and 903.5 MB in the end (delta: -815.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,975 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.00 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.7 MB in the beginning and 168.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,980 INFO L168 Benchmark]: Boogie Preprocessor took 124.75 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 163.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,984 INFO L168 Benchmark]: RCFGBuilder took 1451.46 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 163.3 MB in the beginning and 182.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,985 INFO L168 Benchmark]: Symbolic Interpretation took 19512.93 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 996.7 MB). Free memory was 182.7 MB in the beginning and 903.5 MB in the end (delta: -720.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:37:50,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 142]: 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 159718#(and (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 7) (<= (+ ~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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 817.00 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.7 MB in the beginning and 168.1 MB in the end (delta: -80.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.75 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 163.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1451.46 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 163.3 MB in the beginning and 182.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19512.93 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 996.7 MB). Free memory was 182.7 MB in the beginning and 903.5 MB in the end (delta: -720.8 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...