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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:43:21,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:43:21,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:43:21,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:43:21,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:43:21,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:43:21,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:43:21,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:43:21,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:43:21,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:43:21,902 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:43:21,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:43:21,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:43:21,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:43:21,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:43:21,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:43:21,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:43:21,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:43:21,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:43:21,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:43:21,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:43:21,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:43:21,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:43:21,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:43:21,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:43:21,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:43:21,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:43:21,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:43:21,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:43:21,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:43:21,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:43:21,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:43:21,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:43:21,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:43:21,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:43:21,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:43:21,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:43:21,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:43:21,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:43:21,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:43:21,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:43:21,928 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 23:43:21,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:43:21,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:43:21,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:43:21,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:43:21,944 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:43:21,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:43:21,945 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:43:21,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:43:21,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:43:21,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:43:21,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:43:21,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:43:21,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:43:21,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:43:21,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:43:21,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:43:21,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:43:21,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:43:21,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:43:21,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:43:21,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:43:21,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:43:21,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:43:21,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:43:21,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:43:22,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:43:22,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:43:22,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:43:22,010 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:43:22,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label01.c [2019-08-09 23:43:22,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b0c7267/40634145bab448f6b29443496a1581b0/FLAG1246921be [2019-08-09 23:43:22,801 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:43:22,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label01.c [2019-08-09 23:43:22,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b0c7267/40634145bab448f6b29443496a1581b0/FLAG1246921be [2019-08-09 23:43:22,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6b0c7267/40634145bab448f6b29443496a1581b0 [2019-08-09 23:43:22,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:43:22,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:43:22,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:43:22,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:43:22,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:43:22,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:43:22" (1/1) ... [2019-08-09 23:43:22,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7dcff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:22, skipping insertion in model container [2019-08-09 23:43:22,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:43:22" (1/1) ... [2019-08-09 23:43:22,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:43:23,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:43:24,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:43:24,225 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:43:24,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:43:24,692 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:43:24,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24 WrapperNode [2019-08-09 23:43:24,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:43:24,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:43:24,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:43:24,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:43:24,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:24,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (1/1) ... [2019-08-09 23:43:25,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:43:25,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:43:25,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:43:25,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:43:25,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:43:24" (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 23:43:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:43:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:43:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:43:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:43:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:43:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:43:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:43:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:43:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:43:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:43:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:43:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:43:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:43:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:43:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:43:28,596 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:43:28,597 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:43:28,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:43:28 BoogieIcfgContainer [2019-08-09 23:43:28,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:43:28,601 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:43:28,601 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:43:28,602 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:43:28,603 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:43:28" (1/1) ... [2019-08-09 23:44:08,479 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:44:08,488 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:44:08,492 INFO L168 Benchmark]: Toolchain (without parser) took 45537.23 ms. Allocated memory was 140.5 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 77.8 MB in the beginning and 1.1 GB in the end (delta: -976.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,493 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1737.21 ms. Allocated memory was 140.5 MB in the beginning and 234.4 MB in the end (delta: 93.8 MB). Free memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,496 INFO L168 Benchmark]: Boogie Preprocessor took 321.42 ms. Allocated memory is still 234.4 MB. Free memory was 109.1 MB in the beginning and 87.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,498 INFO L168 Benchmark]: RCFGBuilder took 3582.41 ms. Allocated memory was 234.4 MB in the beginning and 341.3 MB in the end (delta: 107.0 MB). Free memory was 87.6 MB in the beginning and 90.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,502 INFO L168 Benchmark]: Symbolic Interpretation took 39887.18 ms. Allocated memory was 341.3 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 90.7 MB in the beginning and 1.1 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-09 23:44:08,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 87]: 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 979656#(and (= ~a15~0 4) (= ~a18~0 10) (<= ~a3~0 115) (= ~a24~0 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1737.21 ms. Allocated memory was 140.5 MB in the beginning and 234.4 MB in the end (delta: 93.8 MB). Free memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 321.42 ms. Allocated memory is still 234.4 MB. Free memory was 109.1 MB in the beginning and 87.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3582.41 ms. Allocated memory was 234.4 MB in the beginning and 341.3 MB in the end (delta: 107.0 MB). Free memory was 87.6 MB in the beginning and 90.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39887.18 ms. Allocated memory was 341.3 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 90.7 MB in the beginning and 1.1 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...