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/test04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:20,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:20,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:20,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:20,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:20,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:20,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:20,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:20,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:20,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:20,103 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:20,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:20,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:20,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:20,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:20,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:20,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:20,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:20,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:20,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:20,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:20,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:20,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:20,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:20,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:20,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:20,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:20,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:20,147 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 20:14:20,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:20,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:20,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:20,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:20,178 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:20,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:20,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:20,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:20,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:20,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:20,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:20,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:20,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:20,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:20,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:20,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:20,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:20,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:20,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:20,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:20,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:20,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:20,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:20,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:20,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:20,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:20,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:20,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:20,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:20,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:20,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:20,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:20,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:20,257 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:20,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test04.c [2019-08-14 20:14:20,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10497b3fa/04a227f1c5f74fbe9662b3be326ea924/FLAG6721ed348 [2019-08-14 20:14:20,718 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:20,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c [2019-08-14 20:14:20,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10497b3fa/04a227f1c5f74fbe9662b3be326ea924/FLAG6721ed348 [2019-08-14 20:14:21,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10497b3fa/04a227f1c5f74fbe9662b3be326ea924 [2019-08-14 20:14:21,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:21,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:21,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:21,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:21,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:21,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6055acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21, skipping insertion in model container [2019-08-14 20:14:21,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,118 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:21,134 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:21,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:21,370 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:21,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:21,404 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:21,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21 WrapperNode [2019-08-14 20:14:21,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:21,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:21,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:21,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:21,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:21,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:21,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:21,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:21,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:21" (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 20:14:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 20:14:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 20:14:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:21,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:21,800 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:21,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:21 BoogieIcfgContainer [2019-08-14 20:14:21,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:21,803 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:21,803 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:21,804 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:21,805 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:22,018 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:22,021 INFO L168 Benchmark]: Toolchain (without parser) took 918.69 ms. Allocated memory was 129.0 MB in the beginning and 197.1 MB in the end (delta: 68.2 MB). Free memory was 84.4 MB in the beginning and 151.2 MB in the end (delta: -66.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,022 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 129.0 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.34 ms. Allocated memory is still 129.0 MB. Free memory was 84.2 MB in the beginning and 74.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,024 INFO L168 Benchmark]: Boogie Preprocessor took 116.52 ms. Allocated memory was 129.0 MB in the beginning and 197.1 MB in the end (delta: 68.2 MB). Free memory was 74.9 MB in the beginning and 173.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,025 INFO L168 Benchmark]: RCFGBuilder took 280.46 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 160.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,026 INFO L168 Benchmark]: Symbolic Interpretation took 215.77 ms. Allocated memory is still 197.1 MB. Free memory was 160.5 MB in the beginning and 151.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:22,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 22]: 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 0.43 ms. Allocated memory is still 129.0 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.34 ms. Allocated memory is still 129.0 MB. Free memory was 84.2 MB in the beginning and 74.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.52 ms. Allocated memory was 129.0 MB in the beginning and 197.1 MB in the end (delta: 68.2 MB). Free memory was 74.9 MB in the beginning and 173.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 280.46 ms. Allocated memory is still 197.1 MB. Free memory was 173.3 MB in the beginning and 160.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 215.77 ms. Allocated memory is still 197.1 MB. Free memory was 160.5 MB in the beginning and 151.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...