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/Problem06_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:58:12,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:58:12,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:58:12,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:58:12,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:58:12,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:58:12,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:58:12,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:58:12,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:58:12,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:58:12,973 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:58:12,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:58:12,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:58:12,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:58:12,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:58:12,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:58:12,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:58:12,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:58:12,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:58:12,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:58:12,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:58:12,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:58:12,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:58:12,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:58:12,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:58:12,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:58:12,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:58:12,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:58:12,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:58:12,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:58:12,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:58:12,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:58:12,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:58:12,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:58:12,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:58:12,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:58:13,000 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 16:58:13,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:58:13,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:58:13,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:58:13,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:58:13,016 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:58:13,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:58:13,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:58:13,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:58:13,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:58:13,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:58:13,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:58:13,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:58:13,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:58:13,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:58:13,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:58:13,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:58:13,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:58:13,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:58:13,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:58:13,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:58:13,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:58:13,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:58:13,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:58:13,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:58:13,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:58:13,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:58:13,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:58:13,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:58:13,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:58:13,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:58:13,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:58:13,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:58:13,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:58:13,070 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:58:13,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label31.c [2019-08-09 16:58:13,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b124967d6/e439e2c136a84e2db3af3071e246f3b4/FLAG8ca71ff3f [2019-08-09 16:58:14,138 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:58:14,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label31.c [2019-08-09 16:58:14,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b124967d6/e439e2c136a84e2db3af3071e246f3b4/FLAG8ca71ff3f [2019-08-09 16:58:14,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b124967d6/e439e2c136a84e2db3af3071e246f3b4 [2019-08-09 16:58:14,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:58:14,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:58:14,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:14,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:58:14,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:58:14,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:14,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72aaed41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14, skipping insertion in model container [2019-08-09 16:58:14,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:14,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:58:14,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:58:17,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:17,078 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:58:18,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:18,280 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:58:18,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18 WrapperNode [2019-08-09 16:58:18,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:18,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:58:18,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:58:18,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:58:18,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (1/1) ... [2019-08-09 16:58:18,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:58:18,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:58:18,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:58:18,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:58:18,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:18" (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 16:58:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:58:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:58:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:58:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:58:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:58:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:58:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:58:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:58:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:58:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:58:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:58:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:58:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:58:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:58:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:58:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:58:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:58:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:58:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:58:26,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:58:26,285 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:58:26,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:26 BoogieIcfgContainer [2019-08-09 16:58:26,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:58:26,288 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:58:26,288 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:58:26,288 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:58:26,289 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:26" (1/1) ... [2019-08-09 16:58:32,944 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:58:32,952 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:58:32,955 INFO L168 Benchmark]: Toolchain (without parser) took 18479.31 ms. Allocated memory was 131.6 MB in the beginning and 898.6 MB in the end (delta: 767.0 MB). Free memory was 60.3 MB in the beginning and 675.9 MB in the end (delta: -615.6 MB). Peak memory consumption was 593.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,956 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3804.66 ms. Allocated memory was 131.6 MB in the beginning and 323.5 MB in the end (delta: 191.9 MB). Free memory was 60.1 MB in the beginning and 115.4 MB in the end (delta: -55.4 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,959 INFO L168 Benchmark]: Boogie Preprocessor took 523.61 ms. Allocated memory was 323.5 MB in the beginning and 328.2 MB in the end (delta: 4.7 MB). Free memory was 115.4 MB in the beginning and 198.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,960 INFO L168 Benchmark]: RCFGBuilder took 7480.93 ms. Allocated memory was 328.2 MB in the beginning and 582.0 MB in the end (delta: 253.8 MB). Free memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: -21.5 MB). Peak memory consumption was 366.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,961 INFO L168 Benchmark]: Symbolic Interpretation took 6664.67 ms. Allocated memory was 582.0 MB in the beginning and 898.6 MB in the end (delta: 316.7 MB). Free memory was 220.2 MB in the beginning and 675.9 MB in the end (delta: -455.6 MB). Peak memory consumption was 303.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:32,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9459]: 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 127804#(and (= 12 ~a3~0) (= ~a27~0 19) (= ~a14~0 5) (= ~a10~0 1) (not (= ~a25~0 1)) (= 1 ~a2~0) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3804.66 ms. Allocated memory was 131.6 MB in the beginning and 323.5 MB in the end (delta: 191.9 MB). Free memory was 60.1 MB in the beginning and 115.4 MB in the end (delta: -55.4 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 523.61 ms. Allocated memory was 323.5 MB in the beginning and 328.2 MB in the end (delta: 4.7 MB). Free memory was 115.4 MB in the beginning and 198.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7480.93 ms. Allocated memory was 328.2 MB in the beginning and 582.0 MB in the end (delta: 253.8 MB). Free memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: -21.5 MB). Peak memory consumption was 366.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6664.67 ms. Allocated memory was 582.0 MB in the beginning and 898.6 MB in the end (delta: 316.7 MB). Free memory was 220.2 MB in the beginning and 675.9 MB in the end (delta: -455.6 MB). Peak memory consumption was 303.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...