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/Problem04_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:54:43,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:54:43,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:54:43,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:54:43,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:54:43,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:54:43,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:54:43,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:54:43,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:54:43,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:54:43,236 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:54:43,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:54:43,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:54:43,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:54:43,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:54:43,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:54:43,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:54:43,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:54:43,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:54:43,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:54:43,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:54:43,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:54:43,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:54:43,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:54:43,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:54:43,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:54:43,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:54:43,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:54:43,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:54:43,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:54:43,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:54:43,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:54:43,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:54:43,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:54:43,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:54:43,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:54:43,286 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 16:54:43,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:54:43,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:54:43,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:54:43,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:54:43,303 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:54:43,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:54:43,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:54:43,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:54:43,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:54:43,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:54:43,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:54:43,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:54:43,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:54:43,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:54:43,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:54:43,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:54:43,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:54:43,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:54:43,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:54:43,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:54:43,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:54:43,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:54:43,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:54:43,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:54:43,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:54:43,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:54:43,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:54:43,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:54:43,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:54:43,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:54:43,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:54:43,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:54:43,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:54:43,366 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:54:43,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label44.c [2019-08-09 16:54:43,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65474faf/10094825eed74187989ccb1803072f7f/FLAG7f4b35c12 [2019-08-09 16:54:44,287 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:54:44,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label44.c [2019-08-09 16:54:44,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65474faf/10094825eed74187989ccb1803072f7f/FLAG7f4b35c12 [2019-08-09 16:54:44,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65474faf/10094825eed74187989ccb1803072f7f [2019-08-09 16:54:44,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:54:44,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:54:44,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:44,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:54:44,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:54:44,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:44" (1/1) ... [2019-08-09 16:54:44,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66220cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:44, skipping insertion in model container [2019-08-09 16:54:44,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:44" (1/1) ... [2019-08-09 16:54:44,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:54:44,998 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:54:46,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:46,556 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:54:47,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:47,335 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:54:47,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47 WrapperNode [2019-08-09 16:54:47,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:47,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:54:47,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:54:47,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:54:47,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (1/1) ... [2019-08-09 16:54:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:54:47,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:54:47,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:54:47,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:54:47,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:47" (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 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:54:47,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:54:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:54:47,710 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:54:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:54:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:54:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:54:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:54:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:54:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:54:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:54:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:54:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:54:52,324 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:54:52,325 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:54:52,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:52 BoogieIcfgContainer [2019-08-09 16:54:52,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:54:52,330 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:54:52,330 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:54:52,330 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:54:52,331 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:52" (1/1) ... [2019-08-09 16:54:56,896 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:54:56,905 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:54:56,908 INFO L168 Benchmark]: Toolchain (without parser) took 12107.02 ms. Allocated memory was 138.4 MB in the beginning and 630.2 MB in the end (delta: 491.8 MB). Free memory was 69.6 MB in the beginning and 399.1 MB in the end (delta: -329.5 MB). Peak memory consumption was 471.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,910 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2536.06 ms. Allocated memory was 138.4 MB in the beginning and 276.3 MB in the end (delta: 137.9 MB). Free memory was 69.4 MB in the beginning and 210.3 MB in the end (delta: -140.9 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,913 INFO L168 Benchmark]: Boogie Preprocessor took 299.83 ms. Allocated memory is still 276.3 MB. Free memory was 210.3 MB in the beginning and 180.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,915 INFO L168 Benchmark]: RCFGBuilder took 4692.15 ms. Allocated memory was 276.3 MB in the beginning and 384.8 MB in the end (delta: 108.5 MB). Free memory was 180.2 MB in the beginning and 124.7 MB in the end (delta: 55.5 MB). Peak memory consumption was 236.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,917 INFO L168 Benchmark]: Symbolic Interpretation took 4575.25 ms. Allocated memory was 384.8 MB in the beginning and 630.2 MB in the end (delta: 245.4 MB). Free memory was 124.7 MB in the beginning and 399.1 MB in the end (delta: -274.4 MB). Peak memory consumption was 280.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:56,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4703]: 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 66069#(and (= 1 ~a1~0) (= ~a14~0 19) (= 1 ~a3~0) (= ~a28~0 17) (not (= 1 ~a7~0)) (= ~a25~0 1) (= 16 ~a4~0) (= ~a26~0 17)). 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2536.06 ms. Allocated memory was 138.4 MB in the beginning and 276.3 MB in the end (delta: 137.9 MB). Free memory was 69.4 MB in the beginning and 210.3 MB in the end (delta: -140.9 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 299.83 ms. Allocated memory is still 276.3 MB. Free memory was 210.3 MB in the beginning and 180.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4692.15 ms. Allocated memory was 276.3 MB in the beginning and 384.8 MB in the end (delta: 108.5 MB). Free memory was 180.2 MB in the beginning and 124.7 MB in the end (delta: 55.5 MB). Peak memory consumption was 236.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4575.25 ms. Allocated memory was 384.8 MB in the beginning and 630.2 MB in the end (delta: 245.4 MB). Free memory was 124.7 MB in the beginning and 399.1 MB in the end (delta: -274.4 MB). Peak memory consumption was 280.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...