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/Problem18_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:45:42,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:45:42,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:45:42,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:45:42,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:45:42,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:45:42,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:45:42,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:45:42,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:45:42,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:45:42,396 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:45:42,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:45:42,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:45:42,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:45:42,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:45:42,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:45:42,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:45:42,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:45:42,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:45:42,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:45:42,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:45:42,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:45:42,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:45:42,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:45:42,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:45:42,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:45:42,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:45:42,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:45:42,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:45:42,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:45:42,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:45:42,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:45:42,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:45:42,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:45:42,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:45:42,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:45:42,421 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 23:45:42,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:45:42,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:45:42,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:45:42,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:45:42,437 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:45:42,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:45:42,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:45:42,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:45:42,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:45:42,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:45:42,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:45:42,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:45:42,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:45:42,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:45:42,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:45:42,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:45:42,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:45:42,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:45:42,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:45:42,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:45:42,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:45:42,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:45:42,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:45:42,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:45:42,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:45:42,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:45:42,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:45:42,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:45:42,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:45:42,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:45:42,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:45:42,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:45:42,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:45:42,487 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:45:42,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label07.c [2019-08-09 23:45:42,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327f22e35/3057c569e91d418481802d25410e128a/FLAG602173fed [2019-08-09 23:45:43,188 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:45:43,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label07.c [2019-08-09 23:45:43,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327f22e35/3057c569e91d418481802d25410e128a/FLAG602173fed [2019-08-09 23:45:43,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/327f22e35/3057c569e91d418481802d25410e128a [2019-08-09 23:45:43,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:45:43,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:45:43,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:45:43,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:45:43,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:45:43,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:45:43" (1/1) ... [2019-08-09 23:45:43,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5eda93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:43, skipping insertion in model container [2019-08-09 23:45:43,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:45:43" (1/1) ... [2019-08-09 23:45:43,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:45:43,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:45:44,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:45:44,825 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:45:45,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:45:45,304 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:45:45,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45 WrapperNode [2019-08-09 23:45:45,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:45:45,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:45:45,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:45:45,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:45:45,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (1/1) ... [2019-08-09 23:45:45,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:45:45,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:45:45,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:45:45,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:45:45,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:45:45" (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 23:45:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:45:45,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:45:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:45:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:45:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:45:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:45:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:45:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:45:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:45:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:45:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:45:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:45:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:45:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:45:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:45:49,256 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:45:49,257 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:45:49,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:45:49 BoogieIcfgContainer [2019-08-09 23:45:49,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:45:49,260 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:45:49,260 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:45:49,260 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:45:49,261 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:45:49" (1/1) ... [2019-08-09 23:46:26,106 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:46:26,115 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:46:26,118 INFO L168 Benchmark]: Toolchain (without parser) took 42731.70 ms. Allocated memory was 132.6 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 78.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,120 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1918.62 ms. Allocated memory was 132.6 MB in the beginning and 224.4 MB in the end (delta: 91.8 MB). Free memory was 78.6 MB in the beginning and 106.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,122 INFO L168 Benchmark]: Boogie Preprocessor took 247.67 ms. Allocated memory is still 224.4 MB. Free memory was 106.1 MB in the beginning and 85.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,125 INFO L168 Benchmark]: RCFGBuilder took 3704.86 ms. Allocated memory was 224.4 MB in the beginning and 350.7 MB in the end (delta: 126.4 MB). Free memory was 85.6 MB in the beginning and 122.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,126 INFO L168 Benchmark]: Symbolic Interpretation took 36855.53 ms. Allocated memory was 350.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 122.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:46:26,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 150]: 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 985891#(and (= ~a15~0 4) (= ~a18~0 11) (<= ~a3~0 306) (< 115 ~a3~0) (= ~a24~0 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1918.62 ms. Allocated memory was 132.6 MB in the beginning and 224.4 MB in the end (delta: 91.8 MB). Free memory was 78.6 MB in the beginning and 106.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 247.67 ms. Allocated memory is still 224.4 MB. Free memory was 106.1 MB in the beginning and 85.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3704.86 ms. Allocated memory was 224.4 MB in the beginning and 350.7 MB in the end (delta: 126.4 MB). Free memory was 85.6 MB in the beginning and 122.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 36855.53 ms. Allocated memory was 350.7 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 122.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...