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/Problem03_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:52:45,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:52:45,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:52:45,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:52:45,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:52:45,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:52:45,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:52:45,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:52:45,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:52:45,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:52:45,739 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:52:45,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:52:45,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:52:45,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:52:45,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:52:45,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:52:45,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:52:45,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:52:45,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:52:45,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:52:45,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:52:45,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:52:45,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:52:45,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:52:45,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:52:45,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:52:45,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:52:45,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:52:45,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:52:45,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:52:45,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:52:45,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:52:45,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:52:45,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:52:45,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:52:45,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:52:45,765 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 16:52:45,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:52:45,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:52:45,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:52:45,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:52:45,785 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:52:45,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:52:45,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:52:45,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:52:45,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:52:45,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:52:45,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:52:45,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:52:45,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:52:45,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:52:45,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:52:45,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:52:45,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:52:45,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:52:45,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:52:45,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:52:45,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:52:45,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:52:45,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:52:45,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:52:45,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:52:45,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:52:45,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:52:45,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:52:45,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:52:45,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:52:45,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:52:45,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:52:45,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:52:45,872 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:52:45,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label29.c [2019-08-09 16:52:45,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d74a7fb/a7db7d50b7184392aa697deb03e30a34/FLAG2b1c7f850 [2019-08-09 16:52:46,576 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:46,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label29.c [2019-08-09 16:52:46,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d74a7fb/a7db7d50b7184392aa697deb03e30a34/FLAG2b1c7f850 [2019-08-09 16:52:46,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d74a7fb/a7db7d50b7184392aa697deb03e30a34 [2019-08-09 16:52:46,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:46,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:46,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:46,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:46,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:46,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:46" (1/1) ... [2019-08-09 16:52:46,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5f1e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:46, skipping insertion in model container [2019-08-09 16:52:46,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:46" (1/1) ... [2019-08-09 16:52:46,762 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:46,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:47,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:47,731 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:48,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:48,279 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:48,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48 WrapperNode [2019-08-09 16:52:48,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:48,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:48,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:48,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:48,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (1/1) ... [2019-08-09 16:52:48,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:48,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:48,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:48,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:48,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:48" (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 16:52:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:50,783 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:50,784 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:50,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:50 BoogieIcfgContainer [2019-08-09 16:52:50,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:50,786 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:50,786 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:50,787 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:50,788 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:50" (1/1) ... [2019-08-09 16:52:55,264 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:55,272 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:55,275 INFO L168 Benchmark]: Toolchain (without parser) took 8528.59 ms. Allocated memory was 132.1 MB in the beginning and 456.7 MB in the end (delta: 324.5 MB). Free memory was 83.0 MB in the beginning and 142.0 MB in the end (delta: -59.0 MB). Peak memory consumption was 358.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,276 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1534.84 ms. Allocated memory was 132.1 MB in the beginning and 221.2 MB in the end (delta: 89.1 MB). Free memory was 82.8 MB in the beginning and 167.7 MB in the end (delta: -85.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,279 INFO L168 Benchmark]: Boogie Preprocessor took 215.27 ms. Allocated memory is still 221.2 MB. Free memory was 167.7 MB in the beginning and 155.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,280 INFO L168 Benchmark]: RCFGBuilder took 2287.16 ms. Allocated memory was 221.2 MB in the beginning and 275.8 MB in the end (delta: 54.5 MB). Free memory was 155.6 MB in the beginning and 75.5 MB in the end (delta: 80.1 MB). Peak memory consumption was 134.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,281 INFO L168 Benchmark]: Symbolic Interpretation took 4486.75 ms. Allocated memory was 275.8 MB in the beginning and 456.7 MB in the end (delta: 180.9 MB). Free memory was 75.5 MB in the beginning and 142.0 MB in the end (delta: -66.5 MB). Peak memory consumption was 207.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:55,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1569]: 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 79294#(and (= ~a18~0 1) (= 1 ~a5~0) (not (= ~a27~0 1)) (= 0 ~a3~0) (not (= ~a12~0 1)) (not (= ~a11~0 1)) (not (= 1 ~a6~0)) (= ~a26~0 1)). 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 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1534.84 ms. Allocated memory was 132.1 MB in the beginning and 221.2 MB in the end (delta: 89.1 MB). Free memory was 82.8 MB in the beginning and 167.7 MB in the end (delta: -85.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.27 ms. Allocated memory is still 221.2 MB. Free memory was 167.7 MB in the beginning and 155.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2287.16 ms. Allocated memory was 221.2 MB in the beginning and 275.8 MB in the end (delta: 54.5 MB). Free memory was 155.6 MB in the beginning and 75.5 MB in the end (delta: 80.1 MB). Peak memory consumption was 134.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4486.75 ms. Allocated memory was 275.8 MB in the beginning and 456.7 MB in the end (delta: 180.9 MB). Free memory was 75.5 MB in the beginning and 142.0 MB in the end (delta: -66.5 MB). Peak memory consumption was 207.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...