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/Problem03_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:53:29,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:53:29,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:53:29,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:53:29,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:53:29,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:53:29,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:53:29,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:53:29,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:53:29,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:53:29,305 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:53:29,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:53:29,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:53:29,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:53:29,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:53:29,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:53:29,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:53:29,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:53:29,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:53:29,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:53:29,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:53:29,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:53:29,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:53:29,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:53:29,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:53:29,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:53:29,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:53:29,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:53:29,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:53:29,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:53:29,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:53:29,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:53:29,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:53:29,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:53:29,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:53:29,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:53:29,341 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 16:53:29,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:53:29,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:53:29,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:53:29,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:53:29,373 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:53:29,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:53:29,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:53:29,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:53:29,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:53:29,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:53:29,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:53:29,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:53:29,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:53:29,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:53:29,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:53:29,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:53:29,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:53:29,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:53:29,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:53:29,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:53:29,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:53:29,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:53:29,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:53:29,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:53:29,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:53:29,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:53:29,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:53:29,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:53:29,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:53:29,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:53:29,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:53:29,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:53:29,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:53:29,427 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:53:29,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label58.c [2019-08-09 16:53:29,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99594f2f8/9e84acfc51134726b5bc83e5c710d6fe/FLAG64f093f42 [2019-08-09 16:53:30,133 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:53:30,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label58.c [2019-08-09 16:53:30,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99594f2f8/9e84acfc51134726b5bc83e5c710d6fe/FLAG64f093f42 [2019-08-09 16:53:30,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99594f2f8/9e84acfc51134726b5bc83e5c710d6fe [2019-08-09 16:53:30,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:53:30,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:53:30,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:30,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:53:30,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:53:30,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:30" (1/1) ... [2019-08-09 16:53:30,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a63b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:30, skipping insertion in model container [2019-08-09 16:53:30,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:30" (1/1) ... [2019-08-09 16:53:30,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:53:30,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:53:31,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:31,304 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:53:31,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:31,591 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:53:31,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31 WrapperNode [2019-08-09 16:53:31,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:31,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:53:31,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:53:31,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:53:31,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (1/1) ... [2019-08-09 16:53:31,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:53:31,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:53:31,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:53:31,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:53:31,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:31" (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 16:53:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:53:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:53:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:53:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:53:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:53:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:53:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:53:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:53:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:53:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:53:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:53:33,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:53:33,924 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:53:33,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:33 BoogieIcfgContainer [2019-08-09 16:53:33,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:53:33,929 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:53:33,930 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:53:33,931 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:53:33,932 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:53:33" (1/1) ... [2019-08-09 16:53:37,273 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:53:37,281 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:53:37,284 INFO L168 Benchmark]: Toolchain (without parser) took 6980.86 ms. Allocated memory was 140.0 MB in the beginning and 419.4 MB in the end (delta: 279.4 MB). Free memory was 82.5 MB in the beginning and 228.3 MB in the end (delta: -145.8 MB). Peak memory consumption was 220.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,285 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.95 ms. Allocated memory was 140.0 MB in the beginning and 226.5 MB in the end (delta: 86.5 MB). Free memory was 82.3 MB in the beginning and 175.1 MB in the end (delta: -92.8 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,288 INFO L168 Benchmark]: Boogie Preprocessor took 181.35 ms. Allocated memory is still 226.5 MB. Free memory was 175.1 MB in the beginning and 163.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,289 INFO L168 Benchmark]: RCFGBuilder took 2154.17 ms. Allocated memory was 226.5 MB in the beginning and 276.8 MB in the end (delta: 50.3 MB). Free memory was 163.7 MB in the beginning and 240.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,290 INFO L168 Benchmark]: Symbolic Interpretation took 3352.68 ms. Allocated memory was 276.8 MB in the beginning and 419.4 MB in the end (delta: 142.6 MB). Free memory was 240.0 MB in the beginning and 228.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:53:37,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1515]: 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 61010#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= ~a12~0 1) (not (= ~a27~0 1)) (not (= ~a11~0 1)) (not (= 1 ~a6~0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.95 ms. Allocated memory was 140.0 MB in the beginning and 226.5 MB in the end (delta: 86.5 MB). Free memory was 82.3 MB in the beginning and 175.1 MB in the end (delta: -92.8 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.35 ms. Allocated memory is still 226.5 MB. Free memory was 175.1 MB in the beginning and 163.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2154.17 ms. Allocated memory was 226.5 MB in the beginning and 276.8 MB in the end (delta: 50.3 MB). Free memory was 163.7 MB in the beginning and 240.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3352.68 ms. Allocated memory was 276.8 MB in the beginning and 419.4 MB in the end (delta: 142.6 MB). Free memory was 240.0 MB in the beginning and 228.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...