./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c 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/termination-restricted-15/Sequence.c -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 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:06:29,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:06:29,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:06:29,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:06:29,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:06:29,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:06:29,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:06:29,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:06:29,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:06:29,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:06:29,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:06:29,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:06:29,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:06:29,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:06:29,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:06:29,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:06:29,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:06:29,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:06:29,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:06:29,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:06:29,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:06:29,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:06:29,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:06:29,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:06:29,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:06:29,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:06:29,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:06:29,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:06:29,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:06:29,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:06:29,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:06:29,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:06:29,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:06:29,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:06:29,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:06:29,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:06:29,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:06:29,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:06:29,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:06:29,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:06:29,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:06:29,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 04:06:29,628 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:06:29,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:06:29,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:06:29,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:06:29,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 04:06:29,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 04:06:29,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:06:29,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:06:29,631 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:06:29,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:06:29,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:06:29,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:06:29,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:06:29,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 04:06:29,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 04:06:29,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 04:06:29,633 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 04:06:29,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:06:29,633 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:06:29,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 04:06:29,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:06:29,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:06:29,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 04:06:29,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:29,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:06:29,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 04:06:29,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 04:06:29,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:06:29,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 04:06:29,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 04:06:29,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 04:06:29,636 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 04:06:29,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 04:06:29,636 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 04:06:29,636 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 [2023-02-17 04:06:29,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:06:29,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:06:29,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:06:29,907 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:06:29,908 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:06:29,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Sequence.c [2023-02-17 04:06:31,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:06:31,300 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:06:31,300 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Sequence.c [2023-02-17 04:06:31,307 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394636058/6256a349033041a889b69a0561327938/FLAG693b0040b [2023-02-17 04:06:31,320 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394636058/6256a349033041a889b69a0561327938 [2023-02-17 04:06:31,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:06:31,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:06:31,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:31,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:06:31,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:06:31,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bc0fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31, skipping insertion in model container [2023-02-17 04:06:31,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:06:31,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:06:31,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:31,497 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:06:31,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:31,524 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:06:31,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31 WrapperNode [2023-02-17 04:06:31,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:31,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:31,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:06:31,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:06:31,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,550 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-02-17 04:06:31,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:31,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:06:31,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:06:31,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:06:31,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:06:31,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:06:31,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:06:31,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:06:31,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (1/1) ... [2023-02-17 04:06:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:31,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:31,606 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) [2023-02-17 04:06:31,629 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 [2023-02-17 04:06:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:06:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:06:31,710 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:06:31,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:06:31,817 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:06:31,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:06:31,825 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 04:06:31,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:31 BoogieIcfgContainer [2023-02-17 04:06:31,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:06:31,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 04:06:31,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 04:06:31,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 04:06:31,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 04:06:31" (1/3) ... [2023-02-17 04:06:31,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660f3c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:31, skipping insertion in model container [2023-02-17 04:06:31,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:31" (2/3) ... [2023-02-17 04:06:31,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660f3c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:31, skipping insertion in model container [2023-02-17 04:06:31,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:31" (3/3) ... [2023-02-17 04:06:31,836 INFO L112 eAbstractionObserver]: Analyzing ICFG Sequence.c [2023-02-17 04:06:31,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 04:06:31,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-17 04:06:31,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 04:06:31,904 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=PETRI_NET, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4647b5c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 04:06:31,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-17 04:06:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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) [2023-02-17 04:06:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-17 04:06:31,914 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:31,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-17 04:06:31,915 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)] === [2023-02-17 04:06:31,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-17 04:06:31,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:31,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75235281] [2023-02-17 04:06:31,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:32,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75235281] [2023-02-17 04:06:32,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75235281] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:32,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:32,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:32,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364013922] [2023-02-17 04:06:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:32,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:32,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:32,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:32,110 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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 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) [2023-02-17 04:06:32,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:32,153 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-02-17 04:06:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:32,156 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 [2023-02-17 04:06:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:32,163 INFO L225 Difference]: With dead ends: 25 [2023-02-17 04:06:32,164 INFO L226 Difference]: Without dead ends: 11 [2023-02-17 04:06:32,167 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 [2023-02-17 04:06:32,170 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:32,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:32,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-17 04:06:32,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-17 04:06:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 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) [2023-02-17 04:06:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-02-17 04:06:32,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2023-02-17 04:06:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:32,198 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-02-17 04:06:32,198 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) [2023-02-17 04:06:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-02-17 04:06:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 04:06:32,202 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:32,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 04:06:32,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 04:06:32,204 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-17 04:06:32,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:32,206 INFO L85 PathProgramCache]: Analyzing trace with hash 28698215, now seen corresponding path program 1 times [2023-02-17 04:06:32,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:32,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664557401] [2023-02-17 04:06:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:32,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:32,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664557401] [2023-02-17 04:06:32,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664557401] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:32,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:32,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:06:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112448738] [2023-02-17 04:06:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:32,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:32,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:32,246 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-17 04:06:32,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:32,271 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-02-17 04:06:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:32,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-02-17 04:06:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:32,273 INFO L225 Difference]: With dead ends: 20 [2023-02-17 04:06:32,273 INFO L226 Difference]: Without dead ends: 14 [2023-02-17 04:06:32,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:32,275 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:32,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-17 04:06:32,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-17 04:06:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 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) [2023-02-17 04:06:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-02-17 04:06:32,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 5 [2023-02-17 04:06:32,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:32,280 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-02-17 04:06:32,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-17 04:06:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-02-17 04:06:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 04:06:32,281 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:32,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:32,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 04:06:32,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-17 04:06:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 294935680, now seen corresponding path program 1 times [2023-02-17 04:06:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:32,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595006584] [2023-02-17 04:06:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:32,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:32,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595006584] [2023-02-17 04:06:32,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595006584] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:32,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014570721] [2023-02-17 04:06:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:32,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:32,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:32,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 04:06:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-17 04:06:32,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-17 04:06:32,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 04:06:32,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014570721] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:32,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 04:06:32,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-17 04:06:32,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000344532] [2023-02-17 04:06:32,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:32,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:32,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:32,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:32,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:32,378 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-17 04:06:32,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:32,385 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-02-17 04:06:32,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:32,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-02-17 04:06:32,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:32,386 INFO L225 Difference]: With dead ends: 14 [2023-02-17 04:06:32,386 INFO L226 Difference]: Without dead ends: 13 [2023-02-17 04:06:32,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:32,388 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:32,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-17 04:06:32,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-17 04:06:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-02-17 04:06:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-02-17 04:06:32,402 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 8 [2023-02-17 04:06:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:32,402 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-02-17 04:06:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-17 04:06:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-02-17 04:06:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 04:06:32,403 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:32,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-02-17 04:06:32,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:32,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:32,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-17 04:06:32,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:32,612 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2023-02-17 04:06:32,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:32,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379928062] [2023-02-17 04:06:32,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-17 04:06:32,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:32,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379928062] [2023-02-17 04:06:32,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379928062] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:32,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:32,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:32,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285176951] [2023-02-17 04:06:32,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:32,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:32,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:32,670 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-17 04:06:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:32,689 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-02-17 04:06:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:32,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-02-17 04:06:32,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:32,690 INFO L225 Difference]: With dead ends: 13 [2023-02-17 04:06:32,691 INFO L226 Difference]: Without dead ends: 12 [2023-02-17 04:06:32,692 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 [2023-02-17 04:06:32,693 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:32,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:32,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-17 04:06:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2023-02-17 04:06:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2023-02-17 04:06:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2023-02-17 04:06:32,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2023-02-17 04:06:32,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:32,704 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-02-17 04:06:32,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-17 04:06:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2023-02-17 04:06:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 04:06:32,705 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:32,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:32,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 04:06:32,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-17 04:06:32,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:32,707 INFO L85 PathProgramCache]: Analyzing trace with hash 553071548, now seen corresponding path program 1 times [2023-02-17 04:06:32,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:32,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401649359] [2023-02-17 04:06:32,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:06:32,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:32,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401649359] [2023-02-17 04:06:32,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401649359] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:32,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683026146] [2023-02-17 04:06:32,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:32,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:32,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 04:06:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:32,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-17 04:06:32,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:32,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-17 04:06:32,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 04:06:32,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683026146] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:32,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 04:06:32,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-17 04:06:32,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448776935] [2023-02-17 04:06:32,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:32,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:32,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:32,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:32,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:32,817 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-17 04:06:32,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:32,835 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-02-17 04:06:32,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:32,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-02-17 04:06:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:32,840 INFO L225 Difference]: With dead ends: 14 [2023-02-17 04:06:32,840 INFO L226 Difference]: Without dead ends: 13 [2023-02-17 04:06:32,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:32,842 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:32,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-17 04:06:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-17 04:06:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-02-17 04:06:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-02-17 04:06:32,846 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2023-02-17 04:06:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:32,847 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-02-17 04:06:32,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-02-17 04:06:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-02-17 04:06:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 04:06:32,848 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:32,848 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:32,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:33,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:33,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-17 04:06:33,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1059994686, now seen corresponding path program 1 times [2023-02-17 04:06:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:33,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436958834] [2023-02-17 04:06:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-17 04:06:33,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:33,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436958834] [2023-02-17 04:06:33,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436958834] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 04:06:33,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144215097] [2023-02-17 04:06:33,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:33,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:33,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:33,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:06:33,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 04:06:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:33,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-17 04:06:33,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:06:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-17 04:06:33,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 04:06:33,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144215097] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:33,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 04:06:33,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-02-17 04:06:33,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871563208] [2023-02-17 04:06:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:33,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:33,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:33,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:33,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:33,135 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2023-02-17 04:06:33,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:33,147 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-02-17 04:06:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:33,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) Word has length 12 [2023-02-17 04:06:33,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:33,148 INFO L225 Difference]: With dead ends: 13 [2023-02-17 04:06:33,148 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 04:06:33,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:33,150 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:33,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 04:06:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 04:06:33,151 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) [2023-02-17 04:06:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 04:06:33,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-02-17 04:06:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:33,152 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:06:33,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2023-02-17 04:06:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 04:06:33,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 04:06:33,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-17 04:06:33,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-17 04:06:33,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-17 04:06:33,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-17 04:06:33,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 04:06:33,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:06:33,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 04:06:33,368 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-17 04:06:33,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 04:06:33,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:06:33,369 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-17 04:06:33,369 INFO L899 garLoopResultBuilder]: For program point L13-2(line 13) no Hoare annotation was computed. [2023-02-17 04:06:33,370 INFO L895 garLoopResultBuilder]: At program point L13-3(line 13) the Hoare annotation is: (let ((.cse0 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (< |ULTIMATE.start_main_~j~0#1| 21) .cse0 .cse1 (>= 5 |ULTIMATE.start_main_~j~0#1|)) (and .cse0 .cse1))) [2023-02-17 04:06:33,370 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 04:06:33,370 INFO L899 garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed. [2023-02-17 04:06:33,370 INFO L899 garLoopResultBuilder]: For program point L13-4(line 13) no Hoare annotation was computed. [2023-02-17 04:06:33,371 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 16) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2023-02-17 04:06:33,371 INFO L899 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2023-02-17 04:06:33,371 INFO L895 garLoopResultBuilder]: At program point L11-4(line 11) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_main_~j~0#1| 21)) (.cse1 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse3 (>= 5 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 99) .cse2 .cse3))) [2023-02-17 04:06:33,372 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 04:06:33,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-17 04:06:33,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:06:33,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 04:06:33,376 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-02-17 04:06:33,378 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 04:06:33,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 04:06:33 BoogieIcfgContainer [2023-02-17 04:06:33,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 04:06:33,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:06:33,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:06:33,392 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:06:33,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:31" (3/4) ... [2023-02-17 04:06:33,395 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 04:06:33,403 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 04:06:33,404 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 04:06:33,404 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 04:06:33,430 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 04:06:33,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:06:33,431 INFO L158 Benchmark]: Toolchain (without parser) took 2107.57ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 71.0MB in the beginning and 100.1MB in the end (delta: -29.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,431 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:06:33,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.61ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 61.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.29ms. Allocated memory is still 113.2MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,432 INFO L158 Benchmark]: Boogie Preprocessor took 20.10ms. Allocated memory is still 113.2MB. Free memory was 60.1MB in the beginning and 59.1MB in the end (delta: 982.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:06:33,432 INFO L158 Benchmark]: RCFGBuilder took 255.11ms. Allocated memory is still 113.2MB. Free memory was 59.1MB in the beginning and 86.1MB in the end (delta: -26.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,436 INFO L158 Benchmark]: TraceAbstraction took 1561.19ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 102.9MB in the end (delta: -17.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,436 INFO L158 Benchmark]: Witness Printer took 38.38ms. Allocated memory is still 144.7MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:06:33,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.61ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 61.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.29ms. Allocated memory is still 113.2MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.10ms. Allocated memory is still 113.2MB. Free memory was 60.1MB in the beginning and 59.1MB in the end (delta: 982.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.11ms. Allocated memory is still 113.2MB. Free memory was 59.1MB in the beginning and 86.1MB in the end (delta: -26.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1561.19ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 102.9MB in the end (delta: -17.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 38.38ms. Allocated memory is still 144.7MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 47 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 12/15 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: 11]: Loop Invariant Derived loop invariant: (((j < 21 && 5 <= j) && 0 <= i) && 5 >= j) || (((((j < 21 && i <= 0) && 5 <= j) && i <= 99) && 0 <= i) && 5 >= j) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= i - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (((j < 21 && 5 <= j) && 0 <= i) && 5 >= j) || (5 <= j && 0 <= i) RESULT: Ultimate proved your program to be correct! [2023-02-17 04:06:33,460 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