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/Problem10_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:36:00,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:36:00,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:36:00,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:36:00,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:36:00,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:36:00,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:36:00,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:36:00,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:36:00,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:36:00,375 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:36:00,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:36:00,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:36:00,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:36:00,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:36:00,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:36:00,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:36:00,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:36:00,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:36:00,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:36:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:36:00,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:36:00,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:36:00,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:36:00,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:36:00,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:36:00,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:36:00,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:36:00,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:36:00,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:36:00,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:36:00,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:36:00,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:36:00,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:36:00,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:36:00,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:36:00,413 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 17:36:00,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:36:00,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:36:00,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:36:00,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:36:00,443 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:36:00,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:36:00,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:36:00,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:36:00,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:36:00,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:36:00,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:36:00,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:36:00,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:36:00,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:36:00,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:36:00,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:36:00,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:36:00,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:36:00,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:36:00,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:36:00,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:36:00,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:36:00,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:36:00,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:36:00,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:36:00,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:36:00,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:36:00,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:36:00,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:36:00,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:36:00,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:36:00,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:36:00,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:36:00,497 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:36:00,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2019-08-09 17:36:00,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38008635e/2aeecaac13f54064aab332173b23c21a/FLAG5c20e83c4 [2019-08-09 17:36:01,101 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:36:01,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2019-08-09 17:36:01,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38008635e/2aeecaac13f54064aab332173b23c21a/FLAG5c20e83c4 [2019-08-09 17:36:01,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38008635e/2aeecaac13f54064aab332173b23c21a [2019-08-09 17:36:01,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:36:01,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:36:01,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:36:01,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:36:01,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:36:01,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:36:01" (1/1) ... [2019-08-09 17:36:01,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdb65e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:01, skipping insertion in model container [2019-08-09 17:36:01,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:36:01" (1/1) ... [2019-08-09 17:36:01,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:36:01,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:36:01,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:36:02,051 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:36:02,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:36:02,205 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:36:02,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02 WrapperNode [2019-08-09 17:36:02,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:36:02,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:36:02,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:36:02,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:36:02,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (1/1) ... [2019-08-09 17:36:02,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:36:02,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:36:02,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:36:02,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:36:02,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:36:02" (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 17:36:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:36:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:36:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:36:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:36:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:36:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:36:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:36:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:36:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:36:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:36:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:36:03,685 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:36:03,685 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:36:03,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:36:03 BoogieIcfgContainer [2019-08-09 17:36:03,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:36:03,687 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:36:03,687 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:36:03,688 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:36:03,688 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:36:03" (1/1) ... [2019-08-09 17:36:20,511 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:36:20,519 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:36:20,521 INFO L168 Benchmark]: Toolchain (without parser) took 19133.84 ms. Allocated memory was 134.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 88.5 MB in the beginning and 280.0 MB in the end (delta: -191.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,522 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.00 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 166.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,525 INFO L168 Benchmark]: Boogie Preprocessor took 118.30 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 161.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,526 INFO L168 Benchmark]: RCFGBuilder took 1359.98 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 181.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,527 INFO L168 Benchmark]: Symbolic Interpretation took 16831.73 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 929.0 MB). Free memory was 181.0 MB in the beginning and 280.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 998.9 MB. Max. memory is 7.1 GB. [2019-08-09 17:36:20,531 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 112]: 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 164379#(and (= 14 ~a4~0) (= ~a10~0 1) (= ~a19~0 6) (= ~a12~0 0) (<= (+ ~a1~0 13) 0)). 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 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.00 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 166.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.30 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 161.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1359.98 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 181.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 16831.73 ms. Allocated memory was 229.1 MB in the beginning and 1.2 GB in the end (delta: 929.0 MB). Free memory was 181.0 MB in the beginning and 280.0 MB in the end (delta: -98.9 MB). Peak memory consumption was 998.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...