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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:33:53,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:33:53,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:33:53,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:33:53,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:33:53,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:33:53,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:33:53,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:33:53,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:33:53,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:33:53,740 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:33:53,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:33:53,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:33:53,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:33:53,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:33:53,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:33:53,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:33:53,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:33:53,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:33:53,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:33:53,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:33:53,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:33:53,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:33:53,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:33:53,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:33:53,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:33:53,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:33:53,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:33:53,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:33:53,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:33:53,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:33:53,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:33:53,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:33:53,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:33:53,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:33:53,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:33:53,770 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 20:33:53,785 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:33:53,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:33:53,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:33:53,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:33:53,787 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:33:53,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:33:53,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:33:53,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:33:53,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:33:53,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:33:53,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:33:53,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:33:53,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:33:53,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:33:53,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:33:53,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:33:53,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:33:53,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:33:53,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:33:53,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:33:53,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:33:53,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:33:53,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:33:53,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:33:53,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:33:53,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:33:53,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:33:53,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:33:53,840 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:33:53,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2019-08-09 20:33:53,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c50598a1/a4218248ce9544729c78c39830ee4b31/FLAG7a15c6126 [2019-08-09 20:33:54,583 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:33:54,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label00.c [2019-08-09 20:33:54,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c50598a1/a4218248ce9544729c78c39830ee4b31/FLAG7a15c6126 [2019-08-09 20:33:54,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c50598a1/a4218248ce9544729c78c39830ee4b31 [2019-08-09 20:33:54,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:33:54,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:33:54,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:33:54,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:33:54,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:33:54,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:33:54" (1/1) ... [2019-08-09 20:33:54,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d4850e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:54, skipping insertion in model container [2019-08-09 20:33:54,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:33:54" (1/1) ... [2019-08-09 20:33:54,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:33:54,918 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:33:55,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:33:55,515 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:33:55,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:33:55,698 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:33:55,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55 WrapperNode [2019-08-09 20:33:55,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:33:55,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:33:55,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:33:55,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:33:55,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (1/1) ... [2019-08-09 20:33:55,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:33:55,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:33:55,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:33:55,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:33:55,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:55" (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 20:33:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:33:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:33:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:33:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:33:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:33:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:33:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:33:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:33:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:33:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:33:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:33:57,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:33:57,423 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:33:57,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:33:57 BoogieIcfgContainer [2019-08-09 20:33:57,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:33:57,425 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:33:57,425 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:33:57,425 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:33:57,426 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:33:57" (1/1) ... [2019-08-09 20:34:12,475 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:34:12,485 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:34:12,489 INFO L168 Benchmark]: Toolchain (without parser) took 17638.26 ms. Allocated memory was 134.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 86.9 MB in the beginning and 421.5 MB in the end (delta: -334.6 MB). Peak memory consumption was 949.8 MB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,490 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.51 ms. Allocated memory was 134.7 MB in the beginning and 206.6 MB in the end (delta: 71.8 MB). Free memory was 86.7 MB in the beginning and 167.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,494 INFO L168 Benchmark]: Boogie Preprocessor took 142.00 ms. Allocated memory is still 206.6 MB. Free memory was 167.8 MB in the beginning and 162.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,498 INFO L168 Benchmark]: RCFGBuilder took 1582.58 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 162.5 MB in the beginning and 160.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,500 INFO L168 Benchmark]: Symbolic Interpretation took 15060.49 ms. Allocated memory was 233.3 MB in the beginning and 1.2 GB in the end (delta: 931.1 MB). Free memory was 160.2 MB in the beginning and 421.5 MB in the end (delta: -261.3 MB). Peak memory consumption was 924.6 MB. Max. memory is 7.1 GB. [2019-08-09 20:34:12,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 163]: 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 409708#(and (<= (+ ~a12~0 43) 0) (= ~a24~0 1) (= ~a15~0 5) (= ~a21~0 7)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.7 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 849.51 ms. Allocated memory was 134.7 MB in the beginning and 206.6 MB in the end (delta: 71.8 MB). Free memory was 86.7 MB in the beginning and 167.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.00 ms. Allocated memory is still 206.6 MB. Free memory was 167.8 MB in the beginning and 162.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1582.58 ms. Allocated memory was 206.6 MB in the beginning and 233.3 MB in the end (delta: 26.7 MB). Free memory was 162.5 MB in the beginning and 160.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15060.49 ms. Allocated memory was 233.3 MB in the beginning and 1.2 GB in the end (delta: 931.1 MB). Free memory was 160.2 MB in the beginning and 421.5 MB in the end (delta: -261.3 MB). Peak memory consumption was 924.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...