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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:45:27,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:45:27,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:45:27,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:45:27,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:45:27,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:45:27,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:45:27,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:45:27,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:45:27,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:45:27,620 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:45:27,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:45:27,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:45:27,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:45:27,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:45:27,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:45:27,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:45:27,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:45:27,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:45:27,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:45:27,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:45:27,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:45:27,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:45:27,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:45:27,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:45:27,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:45:27,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:45:27,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:45:27,646 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 [2019-08-08 10:45:27,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:45:27,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:45:27,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:45:27,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:45:27,662 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:45:27,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:45:27,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:45:27,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:45:27,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:45:27,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:45:27,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:45:27,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:45:27,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:45:27,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:45:27,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:45:27,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:45:27,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:45:27,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:45:27,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:45:27,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:45:27,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:45:27,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:45:27,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:45:27,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:45:27,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:45:27,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:45:27,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:45:27,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:45:27,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:45:27,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:45:27,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:45:27,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:45:27,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:45:27,715 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:45:27,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2019-08-08 10:45:27,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a640429/e0571cdec2084fa098ae8238661d53bc/FLAG86e348162 [2019-08-08 10:45:28,392 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:45:28,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label02.c [2019-08-08 10:45:28,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a640429/e0571cdec2084fa098ae8238661d53bc/FLAG86e348162 [2019-08-08 10:45:28,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a640429/e0571cdec2084fa098ae8238661d53bc [2019-08-08 10:45:28,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:45:28,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:45:28,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:28,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:45:28,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:45:28,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:28" (1/1) ... [2019-08-08 10:45:28,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128ef1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:28, skipping insertion in model container [2019-08-08 10:45:28,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:45:28" (1/1) ... [2019-08-08 10:45:28,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:45:28,689 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:45:29,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:29,198 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:45:29,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:45:29,433 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:45:29,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29 WrapperNode [2019-08-08 10:45:29,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:45:29,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:45:29,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:45:29,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:45:29,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (1/1) ... [2019-08-08 10:45:29,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:45:29,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:45:29,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:45:29,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:45:29,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:45:29" (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 [2019-08-08 10:45:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:45:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:45:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:45:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:45:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:45:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:45:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:45:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:45:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:45:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:45:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:45:32,591 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:45:32,592 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:45:32,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:32 BoogieIcfgContainer [2019-08-08 10:45:32,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:45:32,594 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:45:32,594 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:45:32,595 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:45:32,596 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:45:32" (1/1) ... [2019-08-08 10:45:32,606 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:45:32,609 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:45:32,618 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:45:32,625 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:45:32,627 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:45:32,674 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 36 [2019-08-08 10:45:39,154 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 10 [2019-08-08 10:45:39,262 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:45:39,264 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:45:39,268 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 157785#(and (< 218 ~a1~0) (= 14 ~a4~0) (= ~a19~0 6) (= ~a10~0 0) (= ~a12~0 0)) [2019-08-08 10:45:39,269 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:45:39,277 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:45:39,280 INFO L168 Benchmark]: Toolchain (without parser) took 10667.05 ms. Allocated memory was 141.6 MB in the beginning and 682.6 MB in the end (delta: 541.1 MB). Free memory was 88.1 MB in the beginning and 582.1 MB in the end (delta: -494.0 MB). Peak memory consumption was 460.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,281 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.25 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 87.9 MB in the beginning and 176.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,284 INFO L168 Benchmark]: Boogie Preprocessor took 116.46 ms. Allocated memory is still 206.6 MB. Free memory was 176.0 MB in the beginning and 171.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,286 INFO L168 Benchmark]: RCFGBuilder took 3042.95 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 171.4 MB in the beginning and 191.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,288 INFO L168 Benchmark]: Symbolic Interpretation took 6683.00 ms. Allocated memory was 233.8 MB in the beginning and 682.6 MB in the end (delta: 448.8 MB). Free memory was 191.1 MB in the beginning and 582.1 MB in the end (delta: -391.0 MB). Peak memory consumption was 471.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:45:39,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 181]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.25 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 87.9 MB in the beginning and 176.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.46 ms. Allocated memory is still 206.6 MB. Free memory was 176.0 MB in the beginning and 171.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3042.95 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 171.4 MB in the beginning and 191.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6683.00 ms. Allocated memory was 233.8 MB in the beginning and 682.6 MB in the end (delta: 448.8 MB). Free memory was 191.1 MB in the beginning and 582.1 MB in the end (delta: -391.0 MB). Peak memory consumption was 471.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...