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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:00:26,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:00:26,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:00:26,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:00:26,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:00:26,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:00:26,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:00:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:00:26,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:00:26,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:00:26,928 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:00:26,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:00:26,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:00:26,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:00:26,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:00:26,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:00:26,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:00:26,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:00:26,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:00:26,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:00:26,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:00:26,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:00:26,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:00:26,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:00:26,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:00:26,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:00:26,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:00:26,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:00:26,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:00:26,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:00:26,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:00:26,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:00:26,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:00:26,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:00:26,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:00:26,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:00:26,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:00:26,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:00:26,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:00:26,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:00:26,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:00:26,954 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 [2019-08-14 18:00:26,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:00:26,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:00:26,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:00:26,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:00:26,970 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:00:26,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:00:26,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:00:26,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:00:26,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:00:26,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:00:26,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:00:26,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:00:26,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:00:26,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:00:26,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:00:26,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:00:26,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:00:26,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:00:26,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:00:26,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:00:26,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:00:26,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:00:26,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:00:26,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:00:26,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:00:26,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:00:26,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:00:26,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:00:26,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:00:27,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:00:27,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:00:27,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:00:27,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:00:27,023 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:00:27,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label15.c [2019-08-14 18:00:27,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb568422/782e87935b094f4a99d19abf0006462a/FLAGdb3bf4637 [2019-08-14 18:00:27,773 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:00:27,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label15.c [2019-08-14 18:00:27,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb568422/782e87935b094f4a99d19abf0006462a/FLAGdb3bf4637 [2019-08-14 18:00:27,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb568422/782e87935b094f4a99d19abf0006462a [2019-08-14 18:00:27,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:00:27,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:00:27,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:00:27,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:00:27,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:00:27,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:00:27" (1/1) ... [2019-08-14 18:00:27,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114eef50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:27, skipping insertion in model container [2019-08-14 18:00:27,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:00:27" (1/1) ... [2019-08-14 18:00:27,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:00:28,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:00:29,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:00:29,347 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:00:29,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:00:29,832 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:00:29,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29 WrapperNode [2019-08-14 18:00:29,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:00:29,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:00:29,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:00:29,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:00:29,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:29,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:29,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:29,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:30,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:30,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:30,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (1/1) ... [2019-08-14 18:00:30,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:00:30,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:00:30,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:00:30,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:00:30,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:00:29" (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 [2019-08-14 18:00:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:00:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:00:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:00:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:00:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:00:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:00:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:00:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:00:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:00:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:00:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:00:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:00:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:00:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:00:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:00:34,043 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:00:34,046 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:00:34,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:00:34 BoogieIcfgContainer [2019-08-14 18:00:34,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:00:34,050 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:00:34,050 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:00:34,050 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:00:34,051 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:00:34" (1/1) ... [2019-08-14 18:01:13,397 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:01:13,400 INFO L168 Benchmark]: Toolchain (without parser) took 45486.94 ms. Allocated memory was 132.6 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,401 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1920.09 ms. Allocated memory was 132.6 MB in the beginning and 226.5 MB in the end (delta: 93.8 MB). Free memory was 77.1 MB in the beginning and 113.1 MB in the end (delta: -35.9 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,403 INFO L168 Benchmark]: Boogie Preprocessor took 270.74 ms. Allocated memory is still 226.5 MB. Free memory was 113.1 MB in the beginning and 91.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,404 INFO L168 Benchmark]: RCFGBuilder took 3944.40 ms. Allocated memory was 226.5 MB in the beginning and 356.0 MB in the end (delta: 129.5 MB). Free memory was 91.9 MB in the beginning and 138.2 MB in the end (delta: -46.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,405 INFO L168 Benchmark]: Symbolic Interpretation took 39347.31 ms. Allocated memory was 356.0 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 138.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:01:13,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 114]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 978162#(and (< 417 ~a3~0) (= ~a15~0 4) (= ~a24~0 0) (= ~a18~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1920.09 ms. Allocated memory was 132.6 MB in the beginning and 226.5 MB in the end (delta: 93.8 MB). Free memory was 77.1 MB in the beginning and 113.1 MB in the end (delta: -35.9 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 270.74 ms. Allocated memory is still 226.5 MB. Free memory was 113.1 MB in the beginning and 91.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3944.40 ms. Allocated memory was 226.5 MB in the beginning and 356.0 MB in the end (delta: 129.5 MB). Free memory was 91.9 MB in the beginning and 138.2 MB in the end (delta: -46.3 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39347.31 ms. Allocated memory was 356.0 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 138.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...