/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-bitabs-178dd20 [2021-01-06 09:37:54,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 09:37:54,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 09:37:54,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 09:37:54,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 09:37:54,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 09:37:54,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 09:37:54,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 09:37:54,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 09:37:54,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 09:37:54,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 09:37:54,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 09:37:54,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 09:37:54,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 09:37:54,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 09:37:54,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 09:37:54,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 09:37:54,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 09:37:54,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 09:37:54,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 09:37:54,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 09:37:54,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 09:37:54,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 09:37:54,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 09:37:54,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 09:37:54,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 09:37:54,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 09:37:54,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 09:37:54,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 09:37:54,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 09:37:54,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 09:37:54,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 09:37:54,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 09:37:54,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 09:37:54,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 09:37:54,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 09:37:54,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 09:37:54,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 09:37:54,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 09:37:54,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 09:37:54,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 09:37:54,867 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 09:37:54,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 09:37:54,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 09:37:54,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 09:37:54,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 09:37:54,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 09:37:54,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 09:37:54,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 09:37:54,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 09:37:54,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 09:37:54,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 09:37:54,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 09:37:54,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 09:37:54,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 09:37:54,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 09:37:54,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 09:37:54,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 09:37:54,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 09:37:54,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 09:37:54,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 09:37:54,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 09:37:54,871 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 09:37:55,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 09:37:55,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 09:37:55,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 09:37:55,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 09:37:55,277 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 09:37:55,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2021-01-06 09:37:55,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0266d87b0/7a5f5816d86f4937b340228f58cf3a8d/FLAG7b2baa5b1 [2021-01-06 09:37:55,984 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 09:37:55,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2021-01-06 09:37:55,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0266d87b0/7a5f5816d86f4937b340228f58cf3a8d/FLAG7b2baa5b1 [2021-01-06 09:37:56,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0266d87b0/7a5f5816d86f4937b340228f58cf3a8d [2021-01-06 09:37:56,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 09:37:56,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 09:37:56,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 09:37:56,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 09:37:56,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 09:37:56,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6672ccce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56, skipping insertion in model container [2021-01-06 09:37:56,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 09:37:56,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 09:37:56,603 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dst,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~dst,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~src~0,],[IdentifierExpression[~i~1,]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~src~0,],[IdentifierExpression[~x~0,]]] [2021-01-06 09:37:56,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 09:37:56,654 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 09:37:56,671 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dst,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~dst,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#src~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#src~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#src~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#src~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~x~0,]]]]] [2021-01-06 09:37:56,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 09:37:56,722 INFO L208 MainTranslator]: Completed translation [2021-01-06 09:37:56,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56 WrapperNode [2021-01-06 09:37:56,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 09:37:56,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 09:37:56,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 09:37:56,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 09:37:56,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 09:37:56,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 09:37:56,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 09:37:56,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 09:37:56,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... [2021-01-06 09:37:56,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 09:37:56,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 09:37:56,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 09:37:56,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 09:37:56,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 09:37:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 09:37:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 09:37:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 09:37:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 09:37:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 09:37:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 09:37:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 09:37:57,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 09:37:57,232 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-01-06 09:37:57,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:37:57 BoogieIcfgContainer [2021-01-06 09:37:57,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 09:37:57,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 09:37:57,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 09:37:57,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 09:37:57,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:37:56" (1/3) ... [2021-01-06 09:37:57,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a0caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:37:57, skipping insertion in model container [2021-01-06 09:37:57,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:37:56" (2/3) ... [2021-01-06 09:37:57,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7a0caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:37:57, skipping insertion in model container [2021-01-06 09:37:57,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:37:57" (3/3) ... [2021-01-06 09:37:57,243 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2021-01-06 09:37:57,254 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 09:37:57,262 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-01-06 09:37:57,313 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-01-06 09:37:57,375 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 09:37:57,376 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 09:37:57,379 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 09:37:57,380 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 09:37:57,380 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 09:37:57,380 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 09:37:57,380 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 09:37:57,380 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 09:37:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-01-06 09:37:57,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 09:37:57,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2021-01-06 09:37:57,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 09:37:57,525 INFO L189 CegarLoopUtils]: For program point L19-2(lines 19 21) no Hoare annotation was computed. [2021-01-06 09:37:57,526 INFO L192 CegarLoopUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: true [2021-01-06 09:37:57,526 INFO L189 CegarLoopUtils]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2021-01-06 09:37:57,526 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 09:37:57,526 INFO L192 CegarLoopUtils]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2021-01-06 09:37:57,527 INFO L189 CegarLoopUtils]: For program point L34-4(lines 34 36) no Hoare annotation was computed. [2021-01-06 09:37:57,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 09:37:57,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 09:37:57,527 INFO L189 CegarLoopUtils]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2021-01-06 09:37:57,527 INFO L192 CegarLoopUtils]: At program point L28-3(lines 28 30) the Hoare annotation is: true [2021-01-06 09:37:57,527 INFO L189 CegarLoopUtils]: For program point L28-4(lines 28 30) no Hoare annotation was computed. [2021-01-06 09:37:57,528 INFO L189 CegarLoopUtils]: For program point L16(lines 16 22) no Hoare annotation was computed. [2021-01-06 09:37:57,528 INFO L192 CegarLoopUtils]: At program point L37(lines 23 38) the Hoare annotation is: true [2021-01-06 09:37:57,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 09:37:57 BoogieIcfgContainer [2021-01-06 09:37:57,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 09:37:57,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 09:37:57,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 09:37:57,540 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 09:37:57,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:37:57" (3/4) ... [2021-01-06 09:37:57,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 09:37:57,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-01-06 09:37:57,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 09:37:57,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 09:37:57,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 09:37:57,633 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/array-examples/sanfoundry_43_ground.i-witness.graphml [2021-01-06 09:37:57,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 09:37:57,635 INFO L168 Benchmark]: Toolchain (without parser) took 1319.22 ms. Allocated memory is still 154.1 MB. Free memory was 130.0 MB in the beginning and 131.4 MB in the end (delta: -1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 09:37:57,636 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 09:37:57,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.64 ms. Allocated memory is still 154.1 MB. Free memory was 129.8 MB in the beginning and 120.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.90 ms. Allocated memory is still 154.1 MB. Free memory was 119.8 MB in the beginning and 118.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,638 INFO L168 Benchmark]: Boogie Preprocessor took 29.46 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 117.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,639 INFO L168 Benchmark]: RCFGBuilder took 425.84 ms. Allocated memory is still 154.1 MB. Free memory was 117.2 MB in the beginning and 104.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,639 INFO L168 Benchmark]: TraceAbstraction took 303.09 ms. Allocated memory is still 154.1 MB. Free memory was 103.6 MB in the beginning and 134.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,640 INFO L168 Benchmark]: Witness Printer took 93.46 ms. Allocated memory is still 154.1 MB. Free memory was 134.0 MB in the beginning and 131.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 09:37:57,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 404.64 ms. Allocated memory is still 154.1 MB. Free memory was 129.8 MB in the beginning and 120.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.90 ms. Allocated memory is still 154.1 MB. Free memory was 119.8 MB in the beginning and 118.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.46 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 117.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 425.84 ms. Allocated memory is still 154.1 MB. Free memory was 117.2 MB in the beginning and 104.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 303.09 ms. Allocated memory is still 154.1 MB. Free memory was 103.6 MB in the beginning and 134.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. * Witness Printer took 93.46 ms. Allocated memory is still 154.1 MB. Free memory was 134.0 MB in the beginning and 131.4 MB in the end (delta: 2.6 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: 0.1s, 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...