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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:52:34,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:52:34,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:52:34,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:52:34,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:52:34,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:52:34,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:52:34,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:52:34,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:52:34,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:52:34,326 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:52:34,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:52:34,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:52:34,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:52:34,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:52:34,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:52:34,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:52:34,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:52:34,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:52:34,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:52:34,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:52:34,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:52:34,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:52:34,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:52:34,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:52:34,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:52:34,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:52:34,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:52:34,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:52:34,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:52:34,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:52:34,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:52:34,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:52:34,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:52:34,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:52:34,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:52:34,362 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 16:52:34,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:52:34,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:52:34,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:52:34,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:52:34,382 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:52:34,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:52:34,382 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:52:34,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:52:34,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:52:34,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:52:34,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:52:34,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:52:34,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:52:34,384 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:52:34,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:52:34,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:52:34,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:52:34,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:52:34,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:52:34,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:52:34,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:52:34,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:52:34,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:52:34,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:52:34,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:52:34,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:52:34,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:52:34,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:52:34,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:52:34,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:52:34,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:52:34,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:52:34,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:52:34,431 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:52:34,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label23.c [2019-08-09 16:52:34,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32af7a5bf/d7c4a3f51af6401783f840d0e7d04bf0/FLAGffefafd93 [2019-08-09 16:52:35,213 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:35,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label23.c [2019-08-09 16:52:35,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32af7a5bf/d7c4a3f51af6401783f840d0e7d04bf0/FLAGffefafd93 [2019-08-09 16:52:35,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32af7a5bf/d7c4a3f51af6401783f840d0e7d04bf0 [2019-08-09 16:52:35,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:35,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:35,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:35,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:35,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:35,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269810b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:35, skipping insertion in model container [2019-08-09 16:52:35,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:35" (1/1) ... [2019-08-09 16:52:35,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:35,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:36,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:36,405 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:36,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:36,695 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:36,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36 WrapperNode [2019-08-09 16:52:36,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:36,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:36,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:36,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:36,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (1/1) ... [2019-08-09 16:52:36,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:36,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:36,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:36,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:36,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:36" (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 16:52:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:39,462 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:39,462 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:39,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:39 BoogieIcfgContainer [2019-08-09 16:52:39,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:39,468 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:39,468 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:39,468 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:39,469 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:39" (1/1) ... [2019-08-09 16:52:43,269 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:43,279 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:43,282 INFO L168 Benchmark]: Toolchain (without parser) took 7916.06 ms. Allocated memory was 140.0 MB in the beginning and 432.0 MB in the end (delta: 292.0 MB). Free memory was 81.4 MB in the beginning and 253.6 MB in the end (delta: -172.2 MB). Peak memory consumption was 309.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,283 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.79 ms. Allocated memory was 140.0 MB in the beginning and 224.9 MB in the end (delta: 84.9 MB). Free memory was 81.2 MB in the beginning and 173.6 MB in the end (delta: -92.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,289 INFO L168 Benchmark]: Boogie Preprocessor took 159.84 ms. Allocated memory is still 224.9 MB. Free memory was 173.6 MB in the beginning and 161.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,291 INFO L168 Benchmark]: RCFGBuilder took 2610.48 ms. Allocated memory was 224.9 MB in the beginning and 274.7 MB in the end (delta: 49.8 MB). Free memory was 161.8 MB in the beginning and 238.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,293 INFO L168 Benchmark]: Symbolic Interpretation took 3811.32 ms. Allocated memory was 274.7 MB in the beginning and 432.0 MB in the end (delta: 157.3 MB). Free memory was 238.0 MB in the beginning and 253.6 MB in the end (delta: -15.6 MB). Peak memory consumption was 331.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:43,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1548]: 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 61635#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= ~a12~0 1) (= 0 ~a3~0) (not (= ~a11~0 1)) (not (= 1 ~a6~0)) (= ~a26~0 1)). 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 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1330.79 ms. Allocated memory was 140.0 MB in the beginning and 224.9 MB in the end (delta: 84.9 MB). Free memory was 81.2 MB in the beginning and 173.6 MB in the end (delta: -92.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.84 ms. Allocated memory is still 224.9 MB. Free memory was 173.6 MB in the beginning and 161.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2610.48 ms. Allocated memory was 224.9 MB in the beginning and 274.7 MB in the end (delta: 49.8 MB). Free memory was 161.8 MB in the beginning and 238.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3811.32 ms. Allocated memory was 274.7 MB in the beginning and 432.0 MB in the end (delta: 157.3 MB). Free memory was 238.0 MB in the beginning and 253.6 MB in the end (delta: -15.6 MB). Peak memory consumption was 331.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...