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/Problem06_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:57:42,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:57:42,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:57:42,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:57:42,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:57:42,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:57:42,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:57:42,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:57:42,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:57:42,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:57:42,481 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:57:42,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:57:42,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:57:42,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:57:42,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:57:42,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:57:42,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:57:42,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:57:42,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:57:42,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:57:42,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:57:42,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:57:42,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:57:42,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:57:42,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:57:42,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:57:42,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:57:42,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:57:42,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:57:42,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:57:42,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:57:42,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:57:42,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:57:42,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:57:42,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:57:42,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:57:42,533 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 16:57:42,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:57:42,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:57:42,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:57:42,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:57:42,565 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:57:42,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:57:42,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:57:42,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:57:42,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:57:42,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:57:42,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:57:42,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:57:42,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:57:42,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:57:42,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:57:42,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:57:42,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:57:42,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:57:42,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:57:42,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:57:42,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:57:42,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:57:42,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:57:42,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:57:42,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:57:42,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:57:42,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:57:42,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:57:42,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:57:42,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:57:42,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:57:42,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:57:42,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:57:42,657 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:57:42,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label17.c [2019-08-09 16:57:42,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c9a132e/6968e46e0604429fbc455908f7b87b8c/FLAG3536eba5b [2019-08-09 16:57:43,615 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:57:43,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label17.c [2019-08-09 16:57:43,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c9a132e/6968e46e0604429fbc455908f7b87b8c/FLAG3536eba5b [2019-08-09 16:57:44,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c9a132e/6968e46e0604429fbc455908f7b87b8c [2019-08-09 16:57:44,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:57:44,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:57:44,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:44,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:57:44,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:57:44,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:44" (1/1) ... [2019-08-09 16:57:44,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d57a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:44, skipping insertion in model container [2019-08-09 16:57:44,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:57:44" (1/1) ... [2019-08-09 16:57:44,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:57:44,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:57:46,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:46,656 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:57:47,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:57:47,954 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:57:47,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47 WrapperNode [2019-08-09 16:57:47,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:57:47,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:57:47,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:57:47,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:57:47,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:47,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (1/1) ... [2019-08-09 16:57:48,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:57:48,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:57:48,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:57:48,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:57:48,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:57:47" (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 16:57:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:57:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:57:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:57:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:57:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:57:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:57:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:57:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:57:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:57:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:57:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:57:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:57:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:57:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:57:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:57:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:57:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:57:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:57:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:57:56,102 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:57:56,102 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:57:56,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:56 BoogieIcfgContainer [2019-08-09 16:57:56,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:57:56,105 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:57:56,105 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:57:56,105 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:57:56,106 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:57:56" (1/1) ... [2019-08-09 16:58:04,032 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:58:04,040 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:58:04,043 INFO L168 Benchmark]: Toolchain (without parser) took 19970.50 ms. Allocated memory was 132.1 MB in the beginning and 879.8 MB in the end (delta: 747.6 MB). Free memory was 61.3 MB in the beginning and 608.8 MB in the end (delta: -547.5 MB). Peak memory consumption was 575.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,044 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 132.1 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3884.19 ms. Allocated memory was 132.1 MB in the beginning and 319.8 MB in the end (delta: 187.7 MB). Free memory was 61.1 MB in the beginning and 116.9 MB in the end (delta: -55.8 MB). Peak memory consumption was 156.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,046 INFO L168 Benchmark]: Boogie Preprocessor took 485.24 ms. Allocated memory was 319.8 MB in the beginning and 324.5 MB in the end (delta: 4.7 MB). Free memory was 116.9 MB in the beginning and 196.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,047 INFO L168 Benchmark]: RCFGBuilder took 7662.09 ms. Allocated memory was 324.5 MB in the beginning and 567.8 MB in the end (delta: 243.3 MB). Free memory was 196.6 MB in the beginning and 155.3 MB in the end (delta: 41.4 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,048 INFO L168 Benchmark]: Symbolic Interpretation took 7934.98 ms. Allocated memory was 567.8 MB in the beginning and 879.8 MB in the end (delta: 312.0 MB). Free memory was 155.3 MB in the beginning and 608.8 MB in the end (delta: -453.5 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:04,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9396]: 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 122243#(and (= ~a14~0 6) (= 12 ~a3~0) (= ~a27~0 19) (not (= ~a26~0 1)) (= ~a10~0 1) (= 1 ~a2~0) (= ~a25~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 132.1 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3884.19 ms. Allocated memory was 132.1 MB in the beginning and 319.8 MB in the end (delta: 187.7 MB). Free memory was 61.1 MB in the beginning and 116.9 MB in the end (delta: -55.8 MB). Peak memory consumption was 156.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 485.24 ms. Allocated memory was 319.8 MB in the beginning and 324.5 MB in the end (delta: 4.7 MB). Free memory was 116.9 MB in the beginning and 196.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7662.09 ms. Allocated memory was 324.5 MB in the beginning and 567.8 MB in the end (delta: 243.3 MB). Free memory was 196.6 MB in the beginning and 155.3 MB in the end (delta: 41.4 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7934.98 ms. Allocated memory was 567.8 MB in the beginning and 879.8 MB in the end (delta: 312.0 MB). Free memory was 155.3 MB in the beginning and 608.8 MB in the end (delta: -453.5 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...