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/Problem14_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:56:14,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:56:14,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:56:14,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:56:14,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:56:14,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:56:14,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:56:14,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:56:14,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:56:14,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:56:14,570 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:56:14,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:56:14,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:56:14,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:56:14,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:56:14,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:56:14,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:56:14,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:56:14,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:56:14,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:56:14,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:56:14,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:56:14,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:56:14,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:56:14,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:56:14,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:56:14,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:56:14,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:56:14,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:56:14,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:56:14,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:56:14,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:56:14,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:56:14,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:56:14,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:56:14,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:56:14,609 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 10:56:14,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:56:14,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:56:14,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:56:14,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:56:14,628 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:56:14,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:56:14,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:56:14,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:56:14,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:56:14,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:56:14,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:56:14,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:56:14,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:56:14,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:56:14,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:56:14,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:56:14,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:56:14,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:56:14,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:56:14,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:56:14,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:56:14,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:56:14,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:56:14,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:56:14,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:56:14,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:56:14,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:56:14,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:56:14,683 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:56:14,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2019-08-08 10:56:14,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfade8a4/371dcea10d5540fdb11f4aa3cfdf5988/FLAGbf51ea5b5 [2019-08-08 10:56:15,393 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:56:15,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2019-08-08 10:56:15,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfade8a4/371dcea10d5540fdb11f4aa3cfdf5988/FLAGbf51ea5b5 [2019-08-08 10:56:15,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfade8a4/371dcea10d5540fdb11f4aa3cfdf5988 [2019-08-08 10:56:15,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:56:15,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:56:15,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:15,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:56:15,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:56:15,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:15" (1/1) ... [2019-08-08 10:56:15,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5b92e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:15, skipping insertion in model container [2019-08-08 10:56:15,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:56:15" (1/1) ... [2019-08-08 10:56:15,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:56:15,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:56:16,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:16,377 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:56:16,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:56:16,552 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:56:16,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16 WrapperNode [2019-08-08 10:56:16,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:56:16,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:56:16,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:56:16,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:56:16,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (1/1) ... [2019-08-08 10:56:16,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:56:16,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:56:16,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:56:16,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:56:16,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:56:16" (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 10:56:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:56:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:56:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:56:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:56:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:56:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:56:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:56:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:56:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:56:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:56:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:56:20,379 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:56:20,380 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:56:20,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:20 BoogieIcfgContainer [2019-08-08 10:56:20,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:56:20,382 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:56:20,382 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:56:20,383 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:56:20,384 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:56:20" (1/1) ... [2019-08-08 10:56:20,396 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:56:20,399 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:56:20,410 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:56:20,418 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:56:20,419 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:56:20,467 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 40 [2019-08-08 10:56:34,194 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 81 [2019-08-08 10:56:34,369 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:56:34,371 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:56:34,375 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 411642#(and (= ~a24~0 1) (= ~a15~0 5) (= ~a21~0 8) (< 80 ~a12~0)) [2019-08-08 10:56:34,376 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:56:34,386 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:56:34,390 INFO L168 Benchmark]: Toolchain (without parser) took 18724.79 ms. Allocated memory was 136.3 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 85.5 MB in the beginning and 588.3 MB in the end (delta: -502.7 MB). Peak memory consumption was 941.7 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,392 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 136.3 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.44 ms. Allocated memory was 136.3 MB in the beginning and 212.9 MB in the end (delta: 76.5 MB). Free memory was 85.3 MB in the beginning and 182.7 MB in the end (delta: -97.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,397 INFO L168 Benchmark]: Boogie Preprocessor took 151.41 ms. Allocated memory is still 212.9 MB. Free memory was 182.7 MB in the beginning and 176.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,400 INFO L168 Benchmark]: RCFGBuilder took 3676.18 ms. Allocated memory was 212.9 MB in the beginning and 279.4 MB in the end (delta: 66.6 MB). Free memory was 176.9 MB in the beginning and 240.5 MB in the end (delta: -63.6 MB). Peak memory consumption was 114.0 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,403 INFO L168 Benchmark]: Symbolic Interpretation took 14004.07 ms. Allocated memory was 279.4 MB in the beginning and 1.3 GB in the end (delta: 984.1 MB). Free memory was 240.5 MB in the beginning and 588.3 MB in the end (delta: -347.8 MB). Peak memory consumption was 953.5 MB. Max. memory is 7.1 GB. [2019-08-08 10:56:34,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 142]: 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 136.3 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 889.44 ms. Allocated memory was 136.3 MB in the beginning and 212.9 MB in the end (delta: 76.5 MB). Free memory was 85.3 MB in the beginning and 182.7 MB in the end (delta: -97.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.41 ms. Allocated memory is still 212.9 MB. Free memory was 182.7 MB in the beginning and 176.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3676.18 ms. Allocated memory was 212.9 MB in the beginning and 279.4 MB in the end (delta: 66.6 MB). Free memory was 176.9 MB in the beginning and 240.5 MB in the end (delta: -63.6 MB). Peak memory consumption was 114.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14004.07 ms. Allocated memory was 279.4 MB in the beginning and 1.3 GB in the end (delta: 984.1 MB). Free memory was 240.5 MB in the beginning and 588.3 MB in the end (delta: -347.8 MB). Peak memory consumption was 953.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...