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/Problem02_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:05,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:05,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:05,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:05,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:05,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:05,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:05,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:05,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:05,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:05,273 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:05,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:05,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:05,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:05,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:05,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:05,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:05,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:05,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:05,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:05,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:05,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:05,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:05,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:05,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:05,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:02:05,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:02:05,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:02:05,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:02:05,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:02:05,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:02:05,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:02:05,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:02:05,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:05,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:05,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:05,321 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 [2019-08-14 11:02:05,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:05,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:05,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:05,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:05,348 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:05,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:05,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:05,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:05,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:05,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:05,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:05,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:05,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:05,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:05,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:05,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:05,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:05,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:05,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:05,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:05,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:05,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:05,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:05,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:05,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:05,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:05,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:05,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:05,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:05,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:05,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:05,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:05,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:05,408 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:05,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2019-08-14 11:02:05,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f33d70db/0242598ae3094811b743e9846743b5da/FLAG54ea14f20 [2019-08-14 11:02:06,060 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:06,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2019-08-14 11:02:06,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f33d70db/0242598ae3094811b743e9846743b5da/FLAG54ea14f20 [2019-08-14 11:02:06,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f33d70db/0242598ae3094811b743e9846743b5da [2019-08-14 11:02:06,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:06,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:06,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:06,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:06,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:06,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:06" (1/1) ... [2019-08-14 11:02:06,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436d5b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:06, skipping insertion in model container [2019-08-14 11:02:06,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:06" (1/1) ... [2019-08-14 11:02:06,362 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:06,430 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:06,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:06,954 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:07,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:07,131 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:07,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07 WrapperNode [2019-08-14 11:02:07,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:07,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:07,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:07,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:07,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (1/1) ... [2019-08-14 11:02:07,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:07,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:07,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:07,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:07,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:07" (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 [2019-08-14 11:02:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:08,885 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:08,885 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:08,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:08 BoogieIcfgContainer [2019-08-14 11:02:08,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:08,887 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:08,887 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:08,888 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:08,889 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:08" (1/1) ... [2019-08-14 11:02:09,721 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:09,724 INFO L168 Benchmark]: Toolchain (without parser) took 3377.65 ms. Allocated memory was 137.9 MB in the beginning and 276.3 MB in the end (delta: 138.4 MB). Free memory was 82.4 MB in the beginning and 186.7 MB in the end (delta: -104.4 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,725 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.46 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 82.2 MB in the beginning and 167.4 MB in the end (delta: -85.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,727 INFO L168 Benchmark]: Boogie Preprocessor took 119.35 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,728 INFO L168 Benchmark]: RCFGBuilder took 1634.62 ms. Allocated memory was 201.3 MB in the beginning and 221.8 MB in the end (delta: 20.4 MB). Free memory was 162.7 MB in the beginning and 180.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,729 INFO L168 Benchmark]: Symbolic Interpretation took 834.07 ms. Allocated memory was 221.8 MB in the beginning and 276.3 MB in the end (delta: 54.5 MB). Free memory was 180.9 MB in the beginning and 186.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:09,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 499]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 11586#(and (not (= ~a19~0 1)) (= ~a28~0 8) (= ~a17~0 7) (not (= ~a25~0 1)) (= ~a21~0 1) (not (= ~a11~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 785.46 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 82.2 MB in the beginning and 167.4 MB in the end (delta: -85.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.35 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1634.62 ms. Allocated memory was 201.3 MB in the beginning and 221.8 MB in the end (delta: 20.4 MB). Free memory was 162.7 MB in the beginning and 180.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 834.07 ms. Allocated memory was 221.8 MB in the beginning and 276.3 MB in the end (delta: 54.5 MB). Free memory was 180.9 MB in the beginning and 186.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...