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/ldv-regression/test15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:36,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:36,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:36,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:36,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:36,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:36,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:36,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:36,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:36,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:36,907 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:36,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:36,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:36,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:36,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:36,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:36,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:36,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:36,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:36,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:36,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:36,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:36,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:36,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:36,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:36,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:36,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:36,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:36,935 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 20:14:36,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:36,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:36,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:36,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:36,960 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:36,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:36,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:36,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:36,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:36,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:36,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:36,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:36,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:36,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:36,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:36,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:36,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:36,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:36,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:36,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:36,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:36,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:36,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:36,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:36,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:36,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:36,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:36,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:36,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:37,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:37,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:37,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:37,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:37,029 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:37,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c [2019-08-14 20:14:37,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1f89e86/4d4c17c14b6f4d82ae262c6afb95dc12/FLAG555d70c58 [2019-08-14 20:14:37,531 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:37,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15.c [2019-08-14 20:14:37,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1f89e86/4d4c17c14b6f4d82ae262c6afb95dc12/FLAG555d70c58 [2019-08-14 20:14:37,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1f89e86/4d4c17c14b6f4d82ae262c6afb95dc12 [2019-08-14 20:14:37,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:37,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:37,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:37,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:37,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:37,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:37" (1/1) ... [2019-08-14 20:14:37,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e251cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:37, skipping insertion in model container [2019-08-14 20:14:37,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:37" (1/1) ... [2019-08-14 20:14:37,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:37,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:38,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:38,160 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:38,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:38,187 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:38,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38 WrapperNode [2019-08-14 20:14:38,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:38,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:38,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:38,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:38,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:38,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:38,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:38,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:38,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:38" (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 20:14:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-14 20:14:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:14:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-14 20:14:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:38,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:38,555 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:38,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:38 BoogieIcfgContainer [2019-08-14 20:14:38,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:38,557 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:38,557 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:38,558 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:38,559 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:38" (1/1) ... [2019-08-14 20:14:38,859 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:38,862 INFO L168 Benchmark]: Toolchain (without parser) took 913.28 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.5 MB in the beginning and 149.8 MB in the end (delta: -61.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,864 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.48 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 78.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,869 INFO L168 Benchmark]: Boogie Preprocessor took 112.36 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.7 MB in the beginning and 176.1 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,870 INFO L168 Benchmark]: RCFGBuilder took 254.91 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 163.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,872 INFO L168 Benchmark]: Symbolic Interpretation took 301.61 ms. Allocated memory is still 199.2 MB. Free memory was 163.1 MB in the beginning and 149.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:38,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.48 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 78.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.36 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.7 MB in the beginning and 176.1 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.91 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 163.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 301.61 ms. Allocated memory is still 199.2 MB. Free memory was 163.1 MB in the beginning and 149.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...