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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:35:18,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:35:18,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:35:18,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:35:18,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:35:18,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:35:18,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:35:18,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:35:18,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:35:18,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:35:18,805 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:35:18,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:35:18,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:35:18,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:35:18,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:35:18,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:35:18,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:35:18,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:35:18,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:35:18,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:35:18,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:35:18,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:35:18,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:35:18,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:35:18,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:35:18,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:35:18,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:35:18,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:35:18,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:35:18,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:35:18,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:35:18,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:35:18,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:35:18,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:35:18,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:35:18,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:35:18,832 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 20:35:18,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:35:18,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:35:18,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:35:18,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:35:18,848 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:35:18,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:35:18,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:35:18,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:35:18,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:35:18,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:35:18,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:35:18,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:35:18,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:35:18,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:35:18,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:35:18,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:35:18,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:35:18,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:35:18,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:35:18,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:35:18,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:35:18,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:35:18,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:35:18,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:35:18,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:35:18,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:35:18,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:35:18,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:35:18,898 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:35:18,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label08.c [2019-08-09 20:35:18,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d0597fe/d8f1ff0765e34c05ae6938896965961b/FLAGad9d8c647 [2019-08-09 20:35:19,543 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:35:19,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label08.c [2019-08-09 20:35:19,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d0597fe/d8f1ff0765e34c05ae6938896965961b/FLAGad9d8c647 [2019-08-09 20:35:19,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d0597fe/d8f1ff0765e34c05ae6938896965961b [2019-08-09 20:35:19,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:35:19,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:35:19,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:35:19,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:35:19,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:35:19,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:35:19" (1/1) ... [2019-08-09 20:35:19,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8bbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:19, skipping insertion in model container [2019-08-09 20:35:19,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:35:19" (1/1) ... [2019-08-09 20:35:19,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:35:19,900 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:35:20,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:35:20,453 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:35:20,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:35:20,588 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:35:20,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20 WrapperNode [2019-08-09 20:35:20,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:35:20,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:35:20,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:35:20,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:35:20,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (1/1) ... [2019-08-09 20:35:20,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:35:20,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:35:20,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:35:20,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:35:20,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:35:20" (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 20:35:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:35:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:35:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:35:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:35:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:35:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:35:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:35:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:35:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:35:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:35:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:35:22,307 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:35:22,308 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:35:22,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:35:22 BoogieIcfgContainer [2019-08-09 20:35:22,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:35:22,310 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:35:22,310 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:35:22,311 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:35:22,312 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:35:22" (1/1) ... [2019-08-09 20:35:37,725 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:35:37,734 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:35:37,737 INFO L168 Benchmark]: Toolchain (without parser) took 17924.16 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 986.2 MB). Free memory was 84.4 MB in the beginning and 129.4 MB in the end (delta: -45.0 MB). Peak memory consumption was 979.6 MB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,738 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.81 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 84.2 MB in the beginning and 166.0 MB in the end (delta: -81.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,740 INFO L168 Benchmark]: Boogie Preprocessor took 125.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.0 MB in the beginning and 160.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,741 INFO L168 Benchmark]: RCFGBuilder took 1594.39 ms. Allocated memory was 203.9 MB in the beginning and 227.0 MB in the end (delta: 23.1 MB). Free memory was 160.4 MB in the beginning and 157.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,742 INFO L168 Benchmark]: Symbolic Interpretation took 15423.84 ms. Allocated memory was 227.0 MB in the beginning and 1.1 GB in the end (delta: 898.1 MB). Free memory was 157.6 MB in the beginning and 129.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 964.8 MB. Max. memory is 7.1 GB. [2019-08-09 20:35:37,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 40]: 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 407357#(and (= ~a24~0 1) (= ~a21~0 10) (= ~a15~0 5) (<= ~a12~0 11) (< 0 (+ ~a12~0 43))). 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 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.81 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 84.2 MB in the beginning and 166.0 MB in the end (delta: -81.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.0 MB in the beginning and 160.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1594.39 ms. Allocated memory was 203.9 MB in the beginning and 227.0 MB in the end (delta: 23.1 MB). Free memory was 160.4 MB in the beginning and 157.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15423.84 ms. Allocated memory was 227.0 MB in the beginning and 1.1 GB in the end (delta: 898.1 MB). Free memory was 157.6 MB in the beginning and 129.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 964.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...