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/Problem04_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:53:54,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:53:54,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:53:54,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:53:54,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:53:54,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:53:54,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:53:54,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:53:54,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:53:54,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:53:54,795 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:53:54,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:53:54,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:53:54,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:53:54,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:53:54,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:53:54,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:53:54,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:53:54,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:53:54,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:53:54,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:53:54,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:53:54,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:53:54,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:53:54,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:53:54,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:53:54,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:53:54,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:53:54,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:53:54,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:53:54,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:53:54,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:53:54,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:53:54,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:53:54,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:53:54,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:53:54,824 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 16:53:54,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:53:54,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:53:54,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:53:54,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:53:54,840 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:53:54,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:53:54,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:53:54,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:53:54,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:53:54,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:53:54,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:53:54,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:53:54,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:53:54,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:53:54,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:53:54,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:53:54,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:53:54,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:53:54,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:53:54,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:53:54,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:53:54,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:53:54,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:53:54,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:53:54,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:53:54,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:53:54,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:53:54,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:53:54,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:53:54,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:53:54,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:53:54,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:53:54,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:53:54,899 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:53:54,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label14.c [2019-08-09 16:53:54,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc99eee8f/0322054c55714f4086a957c22d3a406d/FLAG9650cd4ec [2019-08-09 16:53:55,728 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:53:55,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label14.c [2019-08-09 16:53:55,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc99eee8f/0322054c55714f4086a957c22d3a406d/FLAG9650cd4ec [2019-08-09 16:53:55,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc99eee8f/0322054c55714f4086a957c22d3a406d [2019-08-09 16:53:55,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:53:55,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:53:55,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:55,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:53:55,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:53:55,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:55" (1/1) ... [2019-08-09 16:53:55,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f60603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:55, skipping insertion in model container [2019-08-09 16:53:55,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:53:55" (1/1) ... [2019-08-09 16:53:55,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:53:56,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:53:57,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:57,906 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:53:58,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:53:59,010 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:53:59,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59 WrapperNode [2019-08-09 16:53:59,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:53:59,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:53:59,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:53:59,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:53:59,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (1/1) ... [2019-08-09 16:53:59,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:53:59,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:53:59,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:53:59,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:53:59,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:53:59" (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 16:53:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:53:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:53:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:53:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:53:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:53:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:53:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:53:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:53:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:53:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:53:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:53:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:53:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:53:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:53:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:53:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:53:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:54:03,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:54:03,653 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:54:03,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:03 BoogieIcfgContainer [2019-08-09 16:54:03,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:54:03,655 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:54:03,656 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:54:03,656 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:54:03,657 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:54:03" (1/1) ... [2019-08-09 16:54:08,107 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:54:08,115 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:54:08,118 INFO L168 Benchmark]: Toolchain (without parser) took 12313.77 ms. Allocated memory was 132.1 MB in the beginning and 567.3 MB in the end (delta: 435.2 MB). Free memory was 72.6 MB in the beginning and 165.4 MB in the end (delta: -92.8 MB). Peak memory consumption was 455.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,119 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3205.07 ms. Allocated memory was 132.1 MB in the beginning and 255.3 MB in the end (delta: 123.2 MB). Free memory was 72.4 MB in the beginning and 130.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,121 INFO L168 Benchmark]: Boogie Preprocessor took 244.86 ms. Allocated memory is still 255.3 MB. Free memory was 130.3 MB in the beginning and 100.6 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,122 INFO L168 Benchmark]: RCFGBuilder took 4397.70 ms. Allocated memory was 255.3 MB in the beginning and 397.4 MB in the end (delta: 142.1 MB). Free memory was 100.6 MB in the beginning and 162.4 MB in the end (delta: -61.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,123 INFO L168 Benchmark]: Symbolic Interpretation took 4460.16 ms. Allocated memory was 397.4 MB in the beginning and 567.3 MB in the end (delta: 169.9 MB). Free memory was 162.4 MB in the beginning and 165.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:54:08,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4685]: 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 66167#(and (= 1 ~a1~0) (= 1 ~a3~0) (= ~a14~0 20) (not (= 1 ~a7~0)) (= ~a25~0 1) (= ~a28~0 15) (= 16 ~a4~0) (= ~a26~0 17)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3205.07 ms. Allocated memory was 132.1 MB in the beginning and 255.3 MB in the end (delta: 123.2 MB). Free memory was 72.4 MB in the beginning and 130.3 MB in the end (delta: -57.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.86 ms. Allocated memory is still 255.3 MB. Free memory was 130.3 MB in the beginning and 100.6 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4397.70 ms. Allocated memory was 255.3 MB in the beginning and 397.4 MB in the end (delta: 142.1 MB). Free memory was 100.6 MB in the beginning and 162.4 MB in the end (delta: -61.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4460.16 ms. Allocated memory was 397.4 MB in the beginning and 567.3 MB in the end (delta: 169.9 MB). Free memory was 162.4 MB in the beginning and 165.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...