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/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:01:03,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:01:03,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:01:03,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:01:03,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:01:03,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:01:03,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:01:03,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:01:03,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:01:03,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:01:03,517 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:01:03,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:01:03,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:01:03,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:01:03,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:01:03,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:01:03,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:01:03,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:01:03,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:01:03,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:01:03,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:01:03,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:01:03,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:01:03,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:01:03,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:01:03,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:01:03,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:01:03,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:01:03,570 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 10:01:03,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:01:03,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:01:03,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:01:03,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:01:03,599 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:01:03,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:01:03,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:01:03,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:01:03,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:01:03,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:01:03,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:01:03,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:01:03,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:01:03,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:01:03,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:01:03,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:01:03,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:01:03,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:01:03,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:01:03,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:01:03,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:01:03,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:01:03,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:01:03,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:01:03,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:01:03,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:01:03,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:01:03,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:01:03,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:01:03,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:01:03,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:01:03,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:01:03,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:01:03,684 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:01:03,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2019-08-08 10:01:03,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6d4b85/6359df34248e405798be6da3bed428c9/FLAGcba72aa04 [2019-08-08 10:01:04,314 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:01:04,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2019-08-08 10:01:04,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6d4b85/6359df34248e405798be6da3bed428c9/FLAGcba72aa04 [2019-08-08 10:01:04,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6d4b85/6359df34248e405798be6da3bed428c9 [2019-08-08 10:01:04,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:01:04,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:01:04,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:04,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:01:04,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:01:04,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:04" (1/1) ... [2019-08-08 10:01:04,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44048064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:04, skipping insertion in model container [2019-08-08 10:01:04,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:01:04" (1/1) ... [2019-08-08 10:01:04,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:01:04,670 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:01:05,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:05,090 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:01:05,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:01:05,352 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:01:05,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05 WrapperNode [2019-08-08 10:01:05,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:01:05,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:01:05,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:01:05,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:01:05,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (1/1) ... [2019-08-08 10:01:05,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:01:05,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:01:05,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:01:05,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:01:05,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:01:05" (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 10:01:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:01:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:01:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:01:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:01:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:01:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:01:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:01:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:01:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:01:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:01:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:01:08,989 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:01:08,990 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:01:08,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:08 BoogieIcfgContainer [2019-08-08 10:01:08,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:01:08,992 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:01:08,992 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:01:08,992 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:01:08,993 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:01:08" (1/1) ... [2019-08-08 10:01:09,007 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:01:09,010 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:01:09,022 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:01:09,031 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:01:09,033 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:01:09,100 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 59 [2019-08-08 10:01:10,210 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 103 [2019-08-08 10:01:10,735 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:01:10,736 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:01:10,739 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 25990#(and (= ~a28~0 9) (not (= ~a19~0 1)) (= ~a17~0 8) (= ~a21~0 1) (= ~a25~0 1) (= ~a11~0 1)) [2019-08-08 10:01:10,741 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:01:10,750 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:01:10,754 INFO L168 Benchmark]: Toolchain (without parser) took 6163.93 ms. Allocated memory was 133.7 MB in the beginning and 335.0 MB in the end (delta: 201.3 MB). Free memory was 88.8 MB in the beginning and 284.0 MB in the end (delta: -195.2 MB). Peak memory consumption was 138.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,755 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.37 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 88.4 MB in the beginning and 169.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,759 INFO L168 Benchmark]: Boogie Preprocessor took 115.44 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,761 INFO L168 Benchmark]: RCFGBuilder took 3521.41 ms. Allocated memory was 203.9 MB in the beginning and 229.6 MB in the end (delta: 25.7 MB). Free memory was 164.7 MB in the beginning and 183.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,763 INFO L168 Benchmark]: Symbolic Interpretation took 1759.16 ms. Allocated memory was 229.6 MB in the beginning and 335.0 MB in the end (delta: 105.4 MB). Free memory was 183.4 MB in the beginning and 284.0 MB in the end (delta: -100.7 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:01:10,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 586]: 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 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.37 ms. Allocated memory was 133.7 MB in the beginning and 203.9 MB in the end (delta: 70.3 MB). Free memory was 88.4 MB in the beginning and 169.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.44 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3521.41 ms. Allocated memory was 203.9 MB in the beginning and 229.6 MB in the end (delta: 25.7 MB). Free memory was 164.7 MB in the beginning and 183.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1759.16 ms. Allocated memory was 229.6 MB in the beginning and 335.0 MB in the end (delta: 105.4 MB). Free memory was 183.4 MB in the beginning and 284.0 MB in the end (delta: -100.7 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...