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_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:54:54,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:54:54,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:54:54,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:54:54,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:54:54,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:54:54,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:54:54,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:54:54,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:54:54,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:54:54,492 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:54:54,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:54:54,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:54:54,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:54:54,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:54:54,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:54:54,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:54:54,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:54:54,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:54:54,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:54:54,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:54:54,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:54:54,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:54:54,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:54:54,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 16:54:54,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 16:54:54,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 16:54:54,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 16:54:54,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 16:54:54,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 16:54:54,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:54:54,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:54:54,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:54:54,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:54:54,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:54:54,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:54:54,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:54:54,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:54:54,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:54:54,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:54:54,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:54:54,538 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 16:54:54,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:54:54,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:54:54,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:54:54,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:54:54,565 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:54:54,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:54:54,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:54:54,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:54:54,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:54:54,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:54:54,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:54:54,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:54:54,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:54:54,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:54:54,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:54:54,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:54:54,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:54:54,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:54:54,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:54:54,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:54:54,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:54:54,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:54:54,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:54:54,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:54:54,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:54:54,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:54:54,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:54:54,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:54:54,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:54:54,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:54:54,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:54:54,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:54:54,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:54:54,633 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:54:54,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label50.c [2019-08-09 16:54:54,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c61c15d0/82ef127195b94ac490b58200b386af99/FLAG27c29fdf3 [2019-08-09 16:54:55,445 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:54:55,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label50.c [2019-08-09 16:54:55,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c61c15d0/82ef127195b94ac490b58200b386af99/FLAG27c29fdf3 [2019-08-09 16:54:55,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c61c15d0/82ef127195b94ac490b58200b386af99 [2019-08-09 16:54:55,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:54:55,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:54:55,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:55,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:54:55,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:54:55,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:55" (1/1) ... [2019-08-09 16:54:55,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e84540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:55, skipping insertion in model container [2019-08-09 16:54:55,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:54:55" (1/1) ... [2019-08-09 16:54:55,991 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:54:56,140 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:54:57,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:57,818 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:54:58,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:54:58,566 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:54:58,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58 WrapperNode [2019-08-09 16:54:58,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:54:58,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:54:58,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:54:58,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:54:58,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (1/1) ... [2019-08-09 16:54:58,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:54:58,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:54:58,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:54:58,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:54:58,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:54:58" (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 16:54:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:54:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:54:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:54:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:54:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:54:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:54:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:54:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:54:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:54:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:54:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:54:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:54:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:54:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:54:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:54:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:54:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:55:03,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:55:03,416 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:55:03,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:03 BoogieIcfgContainer [2019-08-09 16:55:03,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:55:03,422 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:55:03,422 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:55:03,422 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:55:03,423 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:55:03" (1/1) ... [2019-08-09 16:55:07,237 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:55:07,244 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:55:07,247 INFO L168 Benchmark]: Toolchain (without parser) took 11270.71 ms. Allocated memory was 138.9 MB in the beginning and 567.8 MB in the end (delta: 428.9 MB). Free memory was 70.3 MB in the beginning and 243.9 MB in the end (delta: -173.6 MB). Peak memory consumption was 363.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:07,249 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:55:07,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2592.01 ms. Allocated memory was 138.9 MB in the beginning and 252.7 MB in the end (delta: 113.8 MB). Free memory was 69.9 MB in the beginning and 126.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:07,252 INFO L168 Benchmark]: Boogie Preprocessor took 283.05 ms. Allocated memory is still 252.7 MB. Free memory was 126.7 MB in the beginning and 98.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:07,254 INFO L168 Benchmark]: RCFGBuilder took 4566.09 ms. Allocated memory was 252.7 MB in the beginning and 397.9 MB in the end (delta: 145.2 MB). Free memory was 98.5 MB in the beginning and 171.1 MB in the end (delta: -72.6 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:07,255 INFO L168 Benchmark]: Symbolic Interpretation took 3822.90 ms. Allocated memory was 397.9 MB in the beginning and 567.8 MB in the end (delta: 169.9 MB). Free memory was 170.9 MB in the beginning and 243.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 204.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:55:07,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4805]: 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 74466#(and (= 1 ~a1~0) (= 1 ~a3~0) (= ~a28~0 17) (= ~a14~0 20) (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 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2592.01 ms. Allocated memory was 138.9 MB in the beginning and 252.7 MB in the end (delta: 113.8 MB). Free memory was 69.9 MB in the beginning and 126.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 283.05 ms. Allocated memory is still 252.7 MB. Free memory was 126.7 MB in the beginning and 98.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4566.09 ms. Allocated memory was 252.7 MB in the beginning and 397.9 MB in the end (delta: 145.2 MB). Free memory was 98.5 MB in the beginning and 171.1 MB in the end (delta: -72.6 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3822.90 ms. Allocated memory was 397.9 MB in the beginning and 567.8 MB in the end (delta: 169.9 MB). Free memory was 170.9 MB in the beginning and 243.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 204.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...