./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/signedintegeroverflow-regression/IntegerPromotion-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 00:29:18,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 00:29:18,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 00:29:18,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 00:29:18,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 00:29:18,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 00:29:18,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 00:29:18,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 00:29:18,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 00:29:18,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 00:29:18,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 00:29:18,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 00:29:18,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 00:29:18,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 00:29:18,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 00:29:18,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 00:29:18,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 00:29:18,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 00:29:18,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 00:29:18,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 00:29:18,930 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 00:29:18,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 00:29:18,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 00:29:18,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 00:29:18,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 00:29:18,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 00:29:18,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 00:29:18,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 00:29:18,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 00:29:18,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 00:29:18,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 00:29:18,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 00:29:18,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 00:29:18,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 00:29:18,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 00:29:18,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 00:29:18,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 00:29:18,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 00:29:18,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 00:29:18,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 00:29:18,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 00:29:18,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 00:29:18,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-22 00:29:18,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 00:29:18,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 00:29:18,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 00:29:18,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 00:29:18,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 00:29:18,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 00:29:18,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 00:29:18,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 00:29:18,985 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 00:29:18,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 00:29:18,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 00:29:18,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 00:29:18,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 00:29:18,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 00:29:18,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 00:29:18,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 00:29:18,988 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-22 00:29:18,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 00:29:18,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 00:29:18,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 00:29:18,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 00:29:18,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 00:29:18,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 00:29:18,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:29:18,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 00:29:18,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 00:29:18,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 00:29:18,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 00:29:18,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 00:29:18,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 00:29:18,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39 [2022-07-22 00:29:19,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 00:29:19,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 00:29:19,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 00:29:19,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 00:29:19,354 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 00:29:19,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2022-07-22 00:29:19,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d21ddb1e/1a35a93f93a64b11b01b98e8bdea792d/FLAGbe6e5f1b3 [2022-07-22 00:29:19,901 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 00:29:19,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2022-07-22 00:29:19,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d21ddb1e/1a35a93f93a64b11b01b98e8bdea792d/FLAGbe6e5f1b3 [2022-07-22 00:29:20,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d21ddb1e/1a35a93f93a64b11b01b98e8bdea792d [2022-07-22 00:29:20,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 00:29:20,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 00:29:20,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 00:29:20,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 00:29:20,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 00:29:20,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763fb0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20, skipping insertion in model container [2022-07-22 00:29:20,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 00:29:20,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 00:29:20,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:29:20,559 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 00:29:20,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:29:20,654 INFO L208 MainTranslator]: Completed translation [2022-07-22 00:29:20,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20 WrapperNode [2022-07-22 00:29:20,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 00:29:20,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 00:29:20,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 00:29:20,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 00:29:20,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,702 INFO L137 Inliner]: procedures = 106, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-07-22 00:29:20,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 00:29:20,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 00:29:20,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 00:29:20,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 00:29:20,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 00:29:20,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 00:29:20,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 00:29:20,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 00:29:20,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (1/1) ... [2022-07-22 00:29:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:29:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:29:20,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 00:29:20,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 00:29:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 00:29:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 00:29:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 00:29:20,904 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 00:29:20,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 00:29:20,970 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 00:29:20,976 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 00:29:20,977 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 00:29:20,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:29:20 BoogieIcfgContainer [2022-07-22 00:29:20,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 00:29:20,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 00:29:20,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 00:29:20,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 00:29:20,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:29:20" (1/3) ... [2022-07-22 00:29:20,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68285246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:29:20, skipping insertion in model container [2022-07-22 00:29:20,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:29:20" (2/3) ... [2022-07-22 00:29:20,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68285246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:29:20, skipping insertion in model container [2022-07-22 00:29:20,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:29:20" (3/3) ... [2022-07-22 00:29:20,985 INFO L111 eAbstractionObserver]: Analyzing ICFG IntegerPromotion-1.i [2022-07-22 00:29:20,997 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 00:29:20,998 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-22 00:29:21,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 00:29:21,041 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c89075f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5df34dde [2022-07-22 00:29:21,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-22 00:29:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-07-22 00:29:21,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:29:21,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-07-22 00:29:21,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-22 00:29:21,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:29:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2022-07-22 00:29:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:29:21,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905971652] [2022-07-22 00:29:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:29:21,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:29:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:29:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:29:21,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:29:21,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905971652] [2022-07-22 00:29:21,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905971652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:29:21,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:29:21,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:29:21,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291870907] [2022-07-22 00:29:21,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:29:21,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 00:29:21,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:29:21,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 00:29:21,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:29:21,319 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:29:21,367 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-22 00:29:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 00:29:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-07-22 00:29:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:29:21,375 INFO L225 Difference]: With dead ends: 13 [2022-07-22 00:29:21,376 INFO L226 Difference]: Without dead ends: 8 [2022-07-22 00:29:21,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:29:21,383 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:29:21,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:29:21,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-07-22 00:29:21,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-07-22 00:29:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-07-22 00:29:21,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 3 [2022-07-22 00:29:21,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:29:21,411 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-07-22 00:29:21,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-07-22 00:29:21,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-22 00:29:21,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:29:21,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-22 00:29:21,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 00:29:21,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-22 00:29:21,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:29:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2022-07-22 00:29:21,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:29:21,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226176827] [2022-07-22 00:29:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:29:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:29:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:29:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:29:21,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:29:21,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226176827] [2022-07-22 00:29:21,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226176827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:29:21,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:29:21,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:29:21,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072490976] [2022-07-22 00:29:21,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:29:21,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 00:29:21,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:29:21,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 00:29:21,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:29:21,471 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:29:21,481 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-07-22 00:29:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 00:29:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-07-22 00:29:21,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:29:21,482 INFO L225 Difference]: With dead ends: 8 [2022-07-22 00:29:21,482 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 00:29:21,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:29:21,488 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:29:21,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:29:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 00:29:21,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 00:29:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 00:29:21,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-07-22 00:29:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:29:21,493 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 00:29:21,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:29:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 00:29:21,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 00:29:21,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-07-22 00:29:21,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-07-22 00:29:21,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-07-22 00:29:21,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-07-22 00:29:21,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 00:29:21,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 00:29:21,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 00:29:21,515 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 00:29:21,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 00:29:21,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 00:29:21,518 INFO L895 garLoopResultBuilder]: At program point L335(lines 331 336) the Hoare annotation is: (<= |ULTIMATE.start_main_~a~0#1| 32767) [2022-07-22 00:29:21,518 INFO L899 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,518 INFO L899 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,523 INFO L899 garLoopResultBuilder]: For program point L333-2(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,523 INFO L899 garLoopResultBuilder]: For program point L333-3(line 333) no Hoare annotation was computed. [2022-07-22 00:29:21,527 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 00:29:21,538 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 00:29:21,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:29:21 BoogieIcfgContainer [2022-07-22 00:29:21,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 00:29:21,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 00:29:21,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 00:29:21,570 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 00:29:21,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:29:20" (3/4) ... [2022-07-22 00:29:21,577 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 00:29:21,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-22 00:29:21,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-22 00:29:21,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 00:29:21,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 00:29:21,616 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 00:29:21,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 00:29:21,617 INFO L158 Benchmark]: Toolchain (without parser) took 1329.75ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 44.4MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:29:21,617 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:29:21,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.90ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 44.4MB in the end (delta: -14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 00:29:21,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:29:21,618 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.9MB in the end (delta: 940.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 00:29:21,618 INFO L158 Benchmark]: RCFGBuilder took 248.14ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 33.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 00:29:21,619 INFO L158 Benchmark]: TraceAbstraction took 588.52ms. Allocated memory is still 65.0MB. Free memory was 33.0MB in the beginning and 46.8MB in the end (delta: -13.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-07-22 00:29:21,619 INFO L158 Benchmark]: Witness Printer took 46.87ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 00:29:21,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.90ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 44.4MB in the end (delta: -14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.9MB in the end (delta: 940.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.14ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 33.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 588.52ms. Allocated memory is still 65.0MB. Free memory was 33.0MB in the beginning and 46.8MB in the end (delta: -13.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 46.87ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 44.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 3 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: a <= 32767 RESULT: Ultimate proved your program to be correct! [2022-07-22 00:29:21,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE