./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/parity.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/parity.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1de4b71c160b63eb5d44a8d7bb23d6faff671aec ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:24:45,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:24:45,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:24:45,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:24:45,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:24:45,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:24:45,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:24:45,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:24:45,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:24:45,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:24:45,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:24:45,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:24:45,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:24:45,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:24:45,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:24:45,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:24:45,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:24:45,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:24:45,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:24:45,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:24:45,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:24:45,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:24:45,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:24:45,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:24:45,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:24:45,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:24:45,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:24:46,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:24:46,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:24:46,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:24:46,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:24:46,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:24:46,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:24:46,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:24:46,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:24:46,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:24:46,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:24:46,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:24:46,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:24:46,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:24:46,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:24:46,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:24:46,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:24:46,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:24:46,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:24:46,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:24:46,028 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:24:46,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:24:46,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:24:46,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:24:46,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:24:46,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:24:46,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:24:46,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:24:46,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:24:46,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:24:46,031 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:24:46,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:24:46,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:24:46,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:24:46,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:24:46,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:24:46,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:24:46,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:24:46,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:24:46,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:46,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:24:46,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:24:46,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:24:46,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:24:46,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:24:46,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:24:46,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:24:46,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1de4b71c160b63eb5d44a8d7bb23d6faff671aec [2020-07-29 01:24:46,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:24:46,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:24:46,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:24:46,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:24:46,392 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:24:46,393 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/parity.i [2020-07-29 01:24:46,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc411c3b7/4fe50291a2ca4970bacd219b474525fb/FLAG0899d6283 [2020-07-29 01:24:46,888 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:24:46,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/parity.i [2020-07-29 01:24:46,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc411c3b7/4fe50291a2ca4970bacd219b474525fb/FLAG0899d6283 [2020-07-29 01:24:47,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc411c3b7/4fe50291a2ca4970bacd219b474525fb [2020-07-29 01:24:47,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:24:47,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:24:47,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:47,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:24:47,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:24:47,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47, skipping insertion in model container [2020-07-29 01:24:47,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:24:47,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:24:47,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:47,463 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:24:47,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:47,501 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:24:47,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47 WrapperNode [2020-07-29 01:24:47,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:47,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:47,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:24:47,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:24:47,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:47,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:24:47,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:24:47,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:24:47,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (1/1) ... [2020-07-29 01:24:47,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:24:47,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:24:47,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:24:47,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:24:47,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (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 [2020-07-29 01:24:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:24:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:24:47,916 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:24:47,916 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:24:47,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:47 BoogieIcfgContainer [2020-07-29 01:24:47,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:24:47,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:24:47,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:24:47,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:24:47,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:24:47" (1/3) ... [2020-07-29 01:24:47,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fcd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:47, skipping insertion in model container [2020-07-29 01:24:47,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:47" (2/3) ... [2020-07-29 01:24:47,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0fcd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:47, skipping insertion in model container [2020-07-29 01:24:47,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:47" (3/3) ... [2020-07-29 01:24:47,931 INFO L109 eAbstractionObserver]: Analyzing ICFG parity.i [2020-07-29 01:24:47,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:24:47,956 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:24:47,984 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:24:48,051 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:24:48,051 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:24:48,052 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:24:48,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:24:48,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:24:48,052 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:24:48,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:24:48,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:24:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-29 01:24:48,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:48,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-07-29 01:24:48,161 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:24:48,161 INFO L268 CegarLoopResult]: For program point L31(lines 31 35) no Hoare annotation was computed. [2020-07-29 01:24:48,161 INFO L268 CegarLoopResult]: For program point L31-2(lines 31 35) no Hoare annotation was computed. [2020-07-29 01:24:48,162 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-07-29 01:24:48,162 INFO L271 CegarLoopResult]: At program point L5-2(lines 4 9) the Hoare annotation is: true [2020-07-29 01:24:48,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:24:48,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:24:48,163 INFO L271 CegarLoopResult]: At program point L30-2(lines 30 37) the Hoare annotation is: true [2020-07-29 01:24:48,163 INFO L268 CegarLoopResult]: For program point L30-3(lines 30 37) no Hoare annotation was computed. [2020-07-29 01:24:48,163 INFO L271 CegarLoopResult]: At program point L49(lines 21 50) the Hoare annotation is: true [2020-07-29 01:24:48,163 INFO L268 CegarLoopResult]: For program point L43(lines 43 47) no Hoare annotation was computed. [2020-07-29 01:24:48,163 INFO L268 CegarLoopResult]: For program point L43-2(lines 43 47) no Hoare annotation was computed. [2020-07-29 01:24:48,163 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-07-29 01:24:48,169 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-29 01:24:48,170 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:48,171 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-29 01:24:48,173 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:48,173 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:48,173 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:24:48,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:24:48 BoogieIcfgContainer [2020-07-29 01:24:48,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:24:48,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:24:48,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:24:48,182 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:24:48,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:47" (3/4) ... [2020-07-29 01:24:48,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:24:48,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-29 01:24:48,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-29 01:24:48,256 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:24:48,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:24:48,260 INFO L168 Benchmark]: Toolchain (without parser) took 1020.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,261 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:48,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,273 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:48,275 INFO L168 Benchmark]: RCFGBuilder took 300.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,275 INFO L168 Benchmark]: TraceAbstraction took 258.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,276 INFO L168 Benchmark]: Witness Printer took 74.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:48,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 300.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 258.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 74.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 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=13occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...