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/Problem01_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:49:49,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:49:49,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:49:49,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:49:49,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:49:49,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:49:49,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:49:49,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:49:49,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:49:49,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:49:49,290 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:49:49,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:49:49,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:49:49,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:49:49,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:49:49,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:49:49,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:49:49,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:49:49,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:49:49,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:49:49,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:49:49,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:49:49,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:49:49,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:49:49,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:49:49,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:49:49,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:49:49,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:49:49,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:49:49,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:49:49,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:49:49,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:49:49,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:49:49,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:49:49,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:49:49,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:49:49,317 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 16:49:49,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:49:49,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:49:49,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:49:49,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:49:49,334 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:49:49,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:49:49,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:49:49,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:49:49,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:49:49,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:49:49,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:49:49,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:49:49,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:49:49,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:49:49,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:49:49,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:49:49,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:49:49,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:49:49,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:49:49,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:49:49,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:49:49,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:49:49,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:49:49,384 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:49:49,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58.c [2019-08-09 16:49:49,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9504b161/a6564ffb8dd949b5a4808687ddcf4fca/FLAGc862c67e0 [2019-08-09 16:49:50,028 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:49:50,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58.c [2019-08-09 16:49:50,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9504b161/a6564ffb8dd949b5a4808687ddcf4fca/FLAGc862c67e0 [2019-08-09 16:49:50,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9504b161/a6564ffb8dd949b5a4808687ddcf4fca [2019-08-09 16:49:50,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:49:50,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:49:50,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:50,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:49:50,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:49:50,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:50" (1/1) ... [2019-08-09 16:49:50,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3977259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:50, skipping insertion in model container [2019-08-09 16:49:50,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:50" (1/1) ... [2019-08-09 16:49:50,301 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:49:50,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:49:50,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:50,835 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:49:51,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:51,068 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:49:51,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51 WrapperNode [2019-08-09 16:49:51,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:51,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:49:51,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:49:51,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:49:51,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (1/1) ... [2019-08-09 16:49:51,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:49:51,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:49:51,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:49:51,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:49:51,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:51" (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 16:49:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:49:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:49:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:49:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:49:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:49:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:49:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:49:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:49:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:49:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:49:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:49:52,503 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:49:52,504 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:49:52,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:52 BoogieIcfgContainer [2019-08-09 16:49:52,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:49:52,506 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:49:52,506 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:49:52,506 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:49:52,507 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:52" (1/1) ... [2019-08-09 16:49:54,289 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:49:54,297 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:49:54,300 INFO L168 Benchmark]: Toolchain (without parser) took 4018.96 ms. Allocated memory was 138.4 MB in the beginning and 271.6 MB in the end (delta: 133.2 MB). Free memory was 82.7 MB in the beginning and 99.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,301 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.39 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 82.5 MB in the beginning and 168.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,303 INFO L168 Benchmark]: Boogie Preprocessor took 135.59 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,305 INFO L168 Benchmark]: RCFGBuilder took 1299.90 ms. Allocated memory was 202.9 MB in the beginning and 224.4 MB in the end (delta: 21.5 MB). Free memory was 163.6 MB in the beginning and 181.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,306 INFO L168 Benchmark]: Symbolic Interpretation took 1791.77 ms. Allocated memory was 224.4 MB in the beginning and 271.6 MB in the end (delta: 47.2 MB). Free memory was 181.3 MB in the beginning and 99.6 MB in the end (delta: 81.7 MB). Peak memory consumption was 152.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:54,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 473]: 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 28695#(and (not (= ~a20~0 1)) (= ~a12~0 8) (not (= 1 ~a7~0)) (= ~a21~0 1) (not (= ~a17~0 1)) (= ~a16~0 6) (= 14 ~a8~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.39 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 82.5 MB in the beginning and 168.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.59 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 163.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.90 ms. Allocated memory was 202.9 MB in the beginning and 224.4 MB in the end (delta: 21.5 MB). Free memory was 163.6 MB in the beginning and 181.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1791.77 ms. Allocated memory was 224.4 MB in the beginning and 271.6 MB in the end (delta: 47.2 MB). Free memory was 181.3 MB in the beginning and 99.6 MB in the end (delta: 81.7 MB). Peak memory consumption was 152.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...