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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:46:03,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:46:03,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:46:03,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:46:03,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:46:03,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:46:03,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:46:03,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:46:03,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:46:03,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:46:03,332 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:46:03,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:46:03,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:46:03,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:46:03,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:46:03,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:46:03,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:46:03,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:46:03,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:46:03,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:46:03,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:46:03,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:46:03,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:46:03,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:46:03,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:46:03,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:46:03,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:46:03,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:46:03,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:46:03,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:46:03,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:46:03,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:46:03,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:46:03,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:46:03,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:46:03,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:46:03,366 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 [2019-08-08 10:46:03,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:46:03,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:46:03,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:46:03,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:46:03,390 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:46:03,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:46:03,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:46:03,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:46:03,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:46:03,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:46:03,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:46:03,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:46:03,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:46:03,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:46:03,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:46:03,393 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:46:03,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:46:03,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:46:03,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:46:03,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:46:03,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:46:03,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:46:03,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:46:03,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:46:03,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:46:03,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:46:03,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:46:03,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:46:03,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:46:03,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:46:03,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:46:03,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:46:03,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:46:03,462 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:46:03,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2019-08-08 10:46:03,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732819e0/be10377b50374d8abc9be0387c99c928/FLAGd73518d00 [2019-08-08 10:46:04,124 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:46:04,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label11.c [2019-08-08 10:46:04,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732819e0/be10377b50374d8abc9be0387c99c928/FLAGd73518d00 [2019-08-08 10:46:04,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7732819e0/be10377b50374d8abc9be0387c99c928 [2019-08-08 10:46:04,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:46:04,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:46:04,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:46:04,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:46:04,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:46:04,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:46:04" (1/1) ... [2019-08-08 10:46:04,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ba83ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:04, skipping insertion in model container [2019-08-08 10:46:04,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:46:04" (1/1) ... [2019-08-08 10:46:04,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:46:04,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:46:04,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:46:05,046 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:46:05,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:46:05,184 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:46:05,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05 WrapperNode [2019-08-08 10:46:05,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:46:05,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:46:05,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:46:05,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:46:05,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (1/1) ... [2019-08-08 10:46:05,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:46:05,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:46:05,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:46:05,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:46:05,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:46:05" (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 [2019-08-08 10:46:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:46:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:46:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:46:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:46:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:46:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:46:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:46:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:46:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:46:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:46:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:46:08,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:46:08,463 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:46:08,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:46:08 BoogieIcfgContainer [2019-08-08 10:46:08,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:46:08,467 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:46:08,467 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:46:08,468 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:46:08,469 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:46:08" (1/1) ... [2019-08-08 10:46:08,479 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:46:08,482 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:46:08,492 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:46:08,500 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:46:08,502 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:46:08,560 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:46:14,725 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:46:14,879 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:46:14,880 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:46:14,882 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 162252#(and (= ~a10~0 3) (= 14 ~a4~0) (= ~a19~0 6) (= ~a12~0 0) (<= (+ ~a1~0 13) 0)) [2019-08-08 10:46:14,883 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:46:14,892 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:46:14,894 INFO L168 Benchmark]: Toolchain (without parser) took 10463.71 ms. Allocated memory was 141.0 MB in the beginning and 577.8 MB in the end (delta: 436.7 MB). Free memory was 85.9 MB in the beginning and 60.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:14,895 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 141.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 10:46:14,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.16 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 85.9 MB in the beginning and 169.5 MB in the end (delta: -83.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:14,897 INFO L168 Benchmark]: Boogie Preprocessor took 104.30 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:14,899 INFO L168 Benchmark]: RCFGBuilder took 3170.41 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 164.8 MB in the beginning and 183.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:14,900 INFO L168 Benchmark]: Symbolic Interpretation took 6424.66 ms. Allocated memory was 231.2 MB in the beginning and 577.8 MB in the end (delta: 346.6 MB). Free memory was 183.5 MB in the beginning and 60.0 MB in the end (delta: 123.5 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:46:14,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 187]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 141.0 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.16 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 85.9 MB in the beginning and 169.5 MB in the end (delta: -83.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.30 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3170.41 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 164.8 MB in the beginning and 183.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6424.66 ms. Allocated memory was 231.2 MB in the beginning and 577.8 MB in the end (delta: 346.6 MB). Free memory was 183.5 MB in the beginning and 60.0 MB in the end (delta: 123.5 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...