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/loops/linear_search.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:40:13,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:40:13,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:40:13,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:40:13,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:40:13,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:40:13,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:40:13,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:40:13,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:40:13,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:40:13,911 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:40:13,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:40:13,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:40:13,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:40:13,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:40:13,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:40:13,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:40:13,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:40:13,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:40:13,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:40:13,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:40:13,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:40:13,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:40:13,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:40:13,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:40:13,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:40:13,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:40:13,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:40:13,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:40:13,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:40:13,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:40:13,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:40:13,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:40:13,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:40:13,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:40:13,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:40:13,937 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 20:40:13,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:40:13,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:40:13,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:40:13,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:40:13,953 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:40:13,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:40:13,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:40:13,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:40:13,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:40:13,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:40:13,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:40:13,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:40:13,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:40:13,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:40:13,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:40:13,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:40:13,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:40:13,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:40:13,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:40:13,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:40:13,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:40:13,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:40:13,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:40:13,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:40:13,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:40:13,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:40:13,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:40:13,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:40:13,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:40:13,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:40:14,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:40:14,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:40:14,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:40:14,012 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:40:14,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_search.c [2019-08-14 20:40:14,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3dec414/4b8282d4d4124e749d2d463c21b2ba98/FLAG5a37968fb [2019-08-14 20:40:14,529 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:40:14,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_search.c [2019-08-14 20:40:14,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3dec414/4b8282d4d4124e749d2d463c21b2ba98/FLAG5a37968fb [2019-08-14 20:40:14,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3dec414/4b8282d4d4124e749d2d463c21b2ba98 [2019-08-14 20:40:14,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:40:14,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:40:14,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:40:14,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:40:14,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:40:14,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:40:14" (1/1) ... [2019-08-14 20:40:14,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29246b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:14, skipping insertion in model container [2019-08-14 20:40:14,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:40:14" (1/1) ... [2019-08-14 20:40:15,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:40:15,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:40:15,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:40:15,248 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:40:15,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:40:15,285 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:40:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15 WrapperNode [2019-08-14 20:40:15,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:40:15,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:40:15,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:40:15,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:40:15,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:15,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:40:15,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:40:15,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:40:15,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:40:15,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:15" (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 20:40:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:40:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:40:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:40:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-08-14 20:40:15,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:40:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:40:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:40:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:40:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:40:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:40:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:40:15,759 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:40:15,759 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:40:15,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:40:15 BoogieIcfgContainer [2019-08-14 20:40:15,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:40:15,761 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:40:15,762 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:40:15,762 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:40:15,763 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:40:15" (1/1) ... [2019-08-14 20:40:16,150 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:40:16,152 INFO L168 Benchmark]: Toolchain (without parser) took 1167.18 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 139.0 MB in the end (delta: -53.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:16,153 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 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. [2019-08-14 20:40:16,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.82 ms. Allocated memory is still 131.1 MB. Free memory was 84.8 MB in the beginning and 75.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:16,155 INFO L168 Benchmark]: Boogie Preprocessor took 125.26 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.1 MB in the beginning and 174.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:16,156 INFO L168 Benchmark]: RCFGBuilder took 348.58 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:16,157 INFO L168 Benchmark]: Symbolic Interpretation took 388.52 ms. Allocated memory is still 198.7 MB. Free memory was 158.9 MB in the beginning and 139.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:16,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 80#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_linear_search_~j~0_BEFORE_RETURN_1 Int) (v_prenex_3 Int)) (or (and (<= 0 (+ |__VERIFIER_assert_#in~cond| 2147483648)) (= |__VERIFIER_assert_#in~cond| 1) (<= |__VERIFIER_assert_#in~cond| 2147483647) (< (mod v_linear_search_~j~0_BEFORE_RETURN_1 4294967296) (mod ~SIZE~0 4294967296))) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 (+ |__VERIFIER_assert_#in~cond| 2147483648)) (not (< (mod v_prenex_3 4294967296) (mod ~SIZE~0 4294967296))) (<= |__VERIFIER_assert_#in~cond| 2147483647))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 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 300.82 ms. Allocated memory is still 131.1 MB. Free memory was 84.8 MB in the beginning and 75.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.26 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.1 MB in the beginning and 174.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.58 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.9 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 388.52 ms. Allocated memory is still 198.7 MB. Free memory was 158.9 MB in the beginning and 139.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...