/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 21:19:50,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 21:19:50,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 21:19:50,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 21:19:50,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 21:19:50,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 21:19:50,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 21:19:50,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 21:19:50,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 21:19:50,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 21:19:50,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 21:19:50,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 21:19:50,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 21:19:50,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 21:19:50,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 21:19:50,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 21:19:50,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 21:19:50,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 21:19:50,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 21:19:50,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 21:19:50,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 21:19:50,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 21:19:50,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 21:19:50,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 21:19:50,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-21 21:19:50,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-21 21:19:50,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-21 21:19:50,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-21 21:19:50,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-21 21:19:50,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-21 21:19:50,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-21 21:19:50,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-21 21:19:50,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-21 21:19:50,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-21 21:19:50,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-21 21:19:50,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-21 21:19:50,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-21 21:19:50,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-21 21:19:50,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 21:19:50,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 21:19:50,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 21:19:50,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 21:19:50,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 21:19:50,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 21:19:50,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 21:19:50,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 21:19:50,793 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 21:19:50,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 21:19:50,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 21:19:50,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 21:19:50,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 21:19:50,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 21:19:50,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 21:19:50,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 21:19:50,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 21:19:50,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 21:19:50,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 21:19:50,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 21:19:50,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 21:19:50,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 21:19:50,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 21:19:50,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 21:19:50,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 21:19:50,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 21:19:50,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 21:19:50,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 21:19:50,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 21:19:50,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 21:19:51,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 21:19:51,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 21:19:51,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 21:19:51,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 21:19:51,300 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 21:19:51,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2020-12-21 21:19:51,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e179c05f0/90fecda5761f40b3bec946dc4866e2a4/FLAG8e27b6f41 [2020-12-21 21:19:52,180 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 21:19:52,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2020-12-21 21:19:52,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e179c05f0/90fecda5761f40b3bec946dc4866e2a4/FLAG8e27b6f41 [2020-12-21 21:19:52,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e179c05f0/90fecda5761f40b3bec946dc4866e2a4 [2020-12-21 21:19:52,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 21:19:52,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 21:19:52,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 21:19:52,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 21:19:52,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 21:19:52,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a84478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52, skipping insertion in model container [2020-12-21 21:19:52,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 21:19:52,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 21:19:52,744 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] [2020-12-21 21:19:52,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 21:19:52,771 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 21:19:52,786 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] [2020-12-21 21:19:52,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 21:19:52,816 INFO L208 MainTranslator]: Completed translation [2020-12-21 21:19:52,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52 WrapperNode [2020-12-21 21:19:52,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 21:19:52,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 21:19:52,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 21:19:52,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 21:19:52,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 21:19:52,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 21:19:52,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 21:19:52,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 21:19:52,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (1/1) ... [2020-12-21 21:19:52,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 21:19:52,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 21:19:52,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 21:19:52,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 21:19:52,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (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 [2020-12-21 21:19:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 21:19:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 21:19:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-21 21:19:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 21:19:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 21:19:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-21 21:19:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-21 21:19:53,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 21:19:53,249 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-21 21:19:53,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:19:53 BoogieIcfgContainer [2020-12-21 21:19:53,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 21:19:53,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 21:19:53,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 21:19:53,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 21:19:53,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:19:52" (1/3) ... [2020-12-21 21:19:53,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e9ec2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:19:53, skipping insertion in model container [2020-12-21 21:19:53,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:19:52" (2/3) ... [2020-12-21 21:19:53,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e9ec2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:19:53, skipping insertion in model container [2020-12-21 21:19:53,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:19:53" (3/3) ... [2020-12-21 21:19:53,270 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-12-21 21:19:53,285 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 21:19:53,295 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-21 21:19:53,342 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-21 21:19:53,449 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 21:19:53,449 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 21:19:53,449 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 21:19:53,450 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 21:19:53,450 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 21:19:53,453 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 21:19:53,453 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 21:19:53,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 21:19:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-12-21 21:19:53,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 21:19:53,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-12-21 21:19:53,543 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 21:19:53,543 INFO L189 CegarLoopUtils]: For program point L19-2(lines 19 21) no Hoare annotation was computed. [2020-12-21 21:19:53,543 INFO L192 CegarLoopUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: true [2020-12-21 21:19:53,543 INFO L189 CegarLoopUtils]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2020-12-21 21:19:53,544 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 21:19:53,544 INFO L192 CegarLoopUtils]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2020-12-21 21:19:53,544 INFO L189 CegarLoopUtils]: For program point L34-4(lines 34 36) no Hoare annotation was computed. [2020-12-21 21:19:53,544 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 21:19:53,544 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 21:19:53,544 INFO L189 CegarLoopUtils]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2020-12-21 21:19:53,545 INFO L192 CegarLoopUtils]: At program point L28-3(lines 28 30) the Hoare annotation is: true [2020-12-21 21:19:53,545 INFO L189 CegarLoopUtils]: For program point L28-4(lines 28 30) no Hoare annotation was computed. [2020-12-21 21:19:53,545 INFO L189 CegarLoopUtils]: For program point L16(lines 16 22) no Hoare annotation was computed. [2020-12-21 21:19:53,545 INFO L192 CegarLoopUtils]: At program point L37(lines 23 38) the Hoare annotation is: true [2020-12-21 21:19:53,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 09:19:53 BoogieIcfgContainer [2020-12-21 21:19:53,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 21:19:53,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 21:19:53,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 21:19:53,556 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 21:19:53,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:19:53" (3/4) ... [2020-12-21 21:19:53,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 21:19:53,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-21 21:19:53,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-21 21:19:53,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 21:19:53,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 21:19:53,626 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/array-examples/sanfoundry_43_ground.i-witness.graphml [2020-12-21 21:19:53,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 21:19:53,629 INFO L168 Benchmark]: Toolchain (without parser) took 1104.01 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 129.2 MB in the end (delta: 957.0 kB). Peak memory consumption was 1.4 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,630 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 21:19:53,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.23 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 120.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 155.2 MB. Free memory was 120.2 MB in the beginning and 118.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,632 INFO L168 Benchmark]: Boogie Preprocessor took 27.97 ms. Allocated memory is still 155.2 MB. Free memory was 118.7 MB in the beginning and 117.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,633 INFO L168 Benchmark]: RCFGBuilder took 364.06 ms. Allocated memory is still 155.2 MB. Free memory was 117.5 MB in the beginning and 104.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,634 INFO L168 Benchmark]: TraceAbstraction took 302.27 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 131.3 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 21:19:53,634 INFO L168 Benchmark]: Witness Printer took 70.71 ms. Allocated memory is still 155.2 MB. Free memory was 131.3 MB in the beginning and 129.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-21 21:19:53,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 290.23 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 120.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 155.2 MB. Free memory was 120.2 MB in the beginning and 118.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.97 ms. Allocated memory is still 155.2 MB. Free memory was 118.7 MB in the beginning and 117.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 364.06 ms. Allocated memory is still 155.2 MB. Free memory was 117.5 MB in the beginning and 104.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 302.27 ms. Allocated memory is still 155.2 MB. Free memory was 103.9 MB in the beginning and 131.3 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 70.71 ms. Allocated memory is still 155.2 MB. Free memory was 131.3 MB in the beginning and 129.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...