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/Problem18_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:48:52,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:48:52,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:48:52,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:48:52,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:48:52,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:48:52,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:48:52,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:48:52,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:48:52,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:48:52,696 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:48:52,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:48:52,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:48:52,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:48:52,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:48:52,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:48:52,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:48:52,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:48:52,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:48:52,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:48:52,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:48:52,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:48:52,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:48:52,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:48:52,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:48:52,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:48:52,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:48:52,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:48:52,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:48:52,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:48:52,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:48:52,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:48:52,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:48:52,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:48:52,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:48:52,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:48:52,720 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 23:48:52,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:48:52,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:48:52,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:48:52,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:48:52,736 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:48:52,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:48:52,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:48:52,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:48:52,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:48:52,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:48:52,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:48:52,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:48:52,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:48:52,737 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:48:52,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:48:52,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:48:52,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:48:52,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:48:52,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:48:52,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:48:52,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:48:52,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:48:52,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:48:52,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:48:52,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:48:52,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:48:52,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:48:52,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:48:52,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:48:52,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:48:52,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:48:52,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:48:52,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:48:52,785 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:48:52,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label14.c [2019-08-09 23:48:52,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2616f0e0/9a47e9ce7bfe4d66a74d234db89f0cf4/FLAG3e607e882 [2019-08-09 23:48:53,628 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:48:53,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label14.c [2019-08-09 23:48:53,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2616f0e0/9a47e9ce7bfe4d66a74d234db89f0cf4/FLAG3e607e882 [2019-08-09 23:48:54,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2616f0e0/9a47e9ce7bfe4d66a74d234db89f0cf4 [2019-08-09 23:48:54,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:48:54,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:48:54,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:48:54,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:48:54,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:48:54,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:48:54" (1/1) ... [2019-08-09 23:48:54,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b3a872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:54, skipping insertion in model container [2019-08-09 23:48:54,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:48:54" (1/1) ... [2019-08-09 23:48:54,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:48:54,267 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:48:55,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:48:55,341 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:48:55,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:48:55,791 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:48:55,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55 WrapperNode [2019-08-09 23:48:55,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:48:55,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:48:55,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:48:55,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:48:55,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:55,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (1/1) ... [2019-08-09 23:48:56,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:48:56,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:48:56,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:48:56,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:48:56,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:48:55" (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 23:48:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:48:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:48:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:48:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:48:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:48:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:48:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:48:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:48:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:48:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:48:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:48:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:48:59,672 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:48:59,673 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:48:59,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:48:59 BoogieIcfgContainer [2019-08-09 23:48:59,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:48:59,676 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:48:59,676 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:48:59,676 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:48:59,677 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:48:59" (1/1) ... [2019-08-09 23:49:36,502 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:49:36,509 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:49:36,512 INFO L168 Benchmark]: Toolchain (without parser) took 42380.56 ms. Allocated memory was 132.6 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 76.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:49:36,513 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 23:49:36,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1659.51 ms. Allocated memory was 132.6 MB in the beginning and 224.4 MB in the end (delta: 91.8 MB). Free memory was 76.9 MB in the beginning and 107.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2019-08-09 23:49:36,515 INFO L168 Benchmark]: Boogie Preprocessor took 218.74 ms. Allocated memory is still 224.4 MB. Free memory was 107.9 MB in the beginning and 87.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:49:36,516 INFO L168 Benchmark]: RCFGBuilder took 3664.20 ms. Allocated memory was 224.4 MB in the beginning and 358.6 MB in the end (delta: 134.2 MB). Free memory was 87.3 MB in the beginning and 137.3 MB in the end (delta: -50.0 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-08-09 23:49:36,517 INFO L168 Benchmark]: Symbolic Interpretation took 36833.82 ms. Allocated memory was 358.6 MB in the beginning and 2.2 GB in the end (delta: 1.8 GB). Free memory was 137.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:49:36,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 159]: 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 980234#(and (= ~a15~0 4) (< 417 ~a3~0) (= ~a24~0 0) (= ~a18~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1659.51 ms. Allocated memory was 132.6 MB in the beginning and 224.4 MB in the end (delta: 91.8 MB). Free memory was 76.9 MB in the beginning and 107.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.74 ms. Allocated memory is still 224.4 MB. Free memory was 107.9 MB in the beginning and 87.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3664.20 ms. Allocated memory was 224.4 MB in the beginning and 358.6 MB in the end (delta: 134.2 MB). Free memory was 87.3 MB in the beginning and 137.3 MB in the end (delta: -50.0 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 36833.82 ms. Allocated memory was 358.6 MB in the beginning and 2.2 GB in the end (delta: 1.8 GB). Free memory was 137.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...