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/Problem02_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:51:40,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:51:40,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:51:40,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:51:40,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:51:40,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:51:40,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:51:40,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:51:40,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:51:40,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:51:40,822 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:51:40,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:51:40,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:51:40,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:51:40,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:51:40,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:51:40,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:51:40,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:51:40,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:51:40,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:51:40,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:51:40,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:51:40,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:51:40,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:51:40,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:51:40,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:51:40,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:51:40,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:51:40,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:51:40,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:51:40,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:51:40,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:51:40,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:51:40,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:51:40,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:51:40,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:51:40,858 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 16:51:40,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:51:40,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:51:40,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:51:40,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:51:40,894 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:51:40,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:51:40,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:51:40,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:51:40,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:51:40,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:51:40,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:51:40,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:51:40,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:51:40,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:51:40,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:51:40,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:51:40,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:51:40,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:51:40,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:51:40,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:51:40,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:51:40,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:51:40,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:51:40,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:51:40,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:51:40,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:51:40,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:51:40,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:51:40,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:51:40,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:51:40,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:51:40,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:51:40,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:51:40,964 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:51:40,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-08-09 16:51:41,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d04fbe6c/18b2604dd861494bac019a1a3c2b319f/FLAGd8f7f3993 [2019-08-09 16:51:41,555 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:51:41,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label58.c [2019-08-09 16:51:41,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d04fbe6c/18b2604dd861494bac019a1a3c2b319f/FLAGd8f7f3993 [2019-08-09 16:51:41,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d04fbe6c/18b2604dd861494bac019a1a3c2b319f [2019-08-09 16:51:41,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:51:41,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:51:41,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:41,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:51:41,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:51:41,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:41" (1/1) ... [2019-08-09 16:51:41,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e35358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:41, skipping insertion in model container [2019-08-09 16:51:41,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:51:41" (1/1) ... [2019-08-09 16:51:41,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:51:41,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:51:42,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:42,357 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:51:42,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:51:42,569 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:51:42,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42 WrapperNode [2019-08-09 16:51:42,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:51:42,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:51:42,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:51:42,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:51:42,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (1/1) ... [2019-08-09 16:51:42,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:51:42,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:51:42,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:51:42,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:51:42,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:51:42" (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 16:51:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:51:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:51:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:51:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:51:43,957 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:51:43,957 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:51:43,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:43 BoogieIcfgContainer [2019-08-09 16:51:43,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:51:43,959 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:51:43,960 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:51:43,960 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:51:43,961 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:51:43" (1/1) ... [2019-08-09 16:51:44,959 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:51:44,966 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:51:44,970 INFO L168 Benchmark]: Toolchain (without parser) took 3161.09 ms. Allocated memory was 131.6 MB in the beginning and 272.1 MB in the end (delta: 140.5 MB). Free memory was 85.7 MB in the beginning and 171.8 MB in the end (delta: -86.1 MB). Peak memory consumption was 112.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:44,971 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:51:44,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.63 ms. Allocated memory was 131.6 MB in the beginning and 201.3 MB in the end (delta: 69.7 MB). Free memory was 85.3 MB in the beginning and 166.9 MB in the end (delta: -81.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:44,974 INFO L168 Benchmark]: Boogie Preprocessor took 113.19 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 161.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:44,976 INFO L168 Benchmark]: RCFGBuilder took 1274.43 ms. Allocated memory was 201.3 MB in the beginning and 223.3 MB in the end (delta: 22.0 MB). Free memory was 161.9 MB in the beginning and 180.6 MB in the end (delta: -18.7 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:44,977 INFO L168 Benchmark]: Symbolic Interpretation took 1007.35 ms. Allocated memory was 223.3 MB in the beginning and 272.1 MB in the end (delta: 48.8 MB). Free memory was 180.6 MB in the beginning and 171.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:51:44,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 481]: 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 12502#(and (= ~a28~0 11) (not (= ~a19~0 1)) (not (= ~a25~0 1)) (= ~a17~0 8) (= ~a21~0 1) (= ~a11~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.63 ms. Allocated memory was 131.6 MB in the beginning and 201.3 MB in the end (delta: 69.7 MB). Free memory was 85.3 MB in the beginning and 166.9 MB in the end (delta: -81.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.19 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 161.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1274.43 ms. Allocated memory was 201.3 MB in the beginning and 223.3 MB in the end (delta: 22.0 MB). Free memory was 161.9 MB in the beginning and 180.6 MB in the end (delta: -18.7 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1007.35 ms. Allocated memory was 223.3 MB in the beginning and 272.1 MB in the end (delta: 48.8 MB). Free memory was 180.6 MB in the beginning and 171.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...