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/Problem01_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:00,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:00,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:00,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:00,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:00,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:00,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:00,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:00,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:00,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:00,449 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:00,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:00,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:00,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:00,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:00,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:00,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:00,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:00,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:00,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:00,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:00,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:00,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:00,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:00,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:00,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:00,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:00,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:00,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:00,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:00,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:00,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:00,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:00,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:00,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:00,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:00,476 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 09:59:00,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:00,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:00,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:00,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:00,492 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:00,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:00,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:00,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:00,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:00,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:00,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:00,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:00,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:00,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:00,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:00,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:00,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:00,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:00,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:00,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:00,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:00,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:00,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:00,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:00,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:00,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:00,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:00,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:00,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:00,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:00,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:00,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:00,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:00,543 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:00,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2019-08-08 09:59:00,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0bd5855e/5c55a2d5d0a64198832c8ba45146ee64/FLAG45b8a4deb [2019-08-08 09:59:01,152 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:01,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2019-08-08 09:59:01,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0bd5855e/5c55a2d5d0a64198832c8ba45146ee64/FLAG45b8a4deb [2019-08-08 09:59:01,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0bd5855e/5c55a2d5d0a64198832c8ba45146ee64 [2019-08-08 09:59:01,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:01,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:01,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:01,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:01,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:01,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:01" (1/1) ... [2019-08-08 09:59:01,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc7fddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:01, skipping insertion in model container [2019-08-08 09:59:01,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:01" (1/1) ... [2019-08-08 09:59:01,469 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:01,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:01,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:02,088 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:02,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:02,213 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:02,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02 WrapperNode [2019-08-08 09:59:02,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:02,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:02,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:02,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:02,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (1/1) ... [2019-08-08 09:59:02,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:02,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:02,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:02,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:02,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:02" (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 [2019-08-08 09:59:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:05,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:05,412 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:05,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:05 BoogieIcfgContainer [2019-08-08 09:59:05,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:05,414 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:05,414 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:05,415 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:05,416 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:05" (1/1) ... [2019-08-08 09:59:05,429 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:05,432 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:05,441 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:05,450 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:05,452 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:05,510 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:07,074 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:07,351 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:07,353 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:07,355 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 29518#(and (not (= ~a20~0 1)) (= 1 ~a7~0) (= 13 ~a8~0) (= ~a12~0 8) (= ~a21~0 1) (not (= ~a17~0 1)) (= ~a16~0 6)) [2019-08-08 09:59:07,357 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:07,366 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:07,370 INFO L168 Benchmark]: Toolchain (without parser) took 5915.35 ms. Allocated memory was 131.6 MB in the beginning and 356.5 MB in the end (delta: 224.9 MB). Free memory was 85.8 MB in the beginning and 263.1 MB in the end (delta: -177.3 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:07,371 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 09:59:07,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.60 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 85.4 MB in the beginning and 165.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:07,374 INFO L168 Benchmark]: Boogie Preprocessor took 106.47 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 160.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:07,376 INFO L168 Benchmark]: RCFGBuilder took 3092.67 ms. Allocated memory was 201.9 MB in the beginning and 223.9 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 177.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:07,377 INFO L168 Benchmark]: Symbolic Interpretation took 1952.10 ms. Allocated memory was 223.9 MB in the beginning and 356.5 MB in the end (delta: 132.6 MB). Free memory was 177.4 MB in the beginning and 263.1 MB in the end (delta: -85.7 MB). Peak memory consumption was 148.5 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:07,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 506]: 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 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.60 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 85.4 MB in the beginning and 165.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.47 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 160.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3092.67 ms. Allocated memory was 201.9 MB in the beginning and 223.9 MB in the end (delta: 22.0 MB). Free memory was 160.7 MB in the beginning and 177.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1952.10 ms. Allocated memory was 223.9 MB in the beginning and 356.5 MB in the end (delta: 132.6 MB). Free memory was 177.4 MB in the beginning and 263.1 MB in the end (delta: -85.7 MB). Peak memory consumption was 148.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...