./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Continue1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae 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/java_Continue1.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 a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:25:25,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:25:25,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:25:25,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:25:25,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:25:25,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:25:25,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:25:25,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:25:25,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:25:25,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:25:25,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:25:25,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:25:25,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:25:25,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:25:25,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:25:25,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:25:25,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:25:25,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:25:25,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:25:25,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:25:25,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:25:25,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:25:25,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:25:25,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:25:25,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:25:25,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:25:25,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:25:25,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:25:25,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:25:25,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:25:25,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:25:25,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:25:25,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:25:25,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:25:25,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:25:25,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:25:25,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:25:25,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:25:25,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:25:25,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:25:25,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:25:25,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-16 04:25:25,745 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:25:25,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:25:25,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:25:25,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:25:25,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:25:25,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:25:25,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:25:25,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:25:25,748 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:25:25,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:25:25,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:25:25,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:25:25,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:25:25,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:25:25,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:25:25,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:25:25,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:25:25,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:25:25,751 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:25:25,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:25:25,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:25:25,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:25:25,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:25:25,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:25:25,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:25:25,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:25:25,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:25:25,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:25:25,753 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:25:25,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda [2023-02-16 04:25:25,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:25:26,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:25:26,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:25:26,021 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:25:26,021 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:25:26,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Continue1.c [2023-02-16 04:25:26,941 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:25:27,083 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:25:27,083 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Continue1.c [2023-02-16 04:25:27,087 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05db71cd8/9598b993d88d44ff9524ff7953493c9a/FLAGef7a36455 [2023-02-16 04:25:27,096 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05db71cd8/9598b993d88d44ff9524ff7953493c9a [2023-02-16 04:25:27,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:25:27,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:25:27,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:25:27,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:25:27,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:25:27,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3e78c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27, skipping insertion in model container [2023-02-16 04:25:27,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:25:27,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:25:27,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:25:27,215 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:25:27,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:25:27,236 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:25:27,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27 WrapperNode [2023-02-16 04:25:27,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:25:27,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:25:27,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:25:27,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:25:27,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,255 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-02-16 04:25:27,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:25:27,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:25:27,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:25:27,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:25:27,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:25:27,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:25:27,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:25:27,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:25:27,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (1/1) ... [2023-02-16 04:25:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:25:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:27,292 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) [2023-02-16 04:25:27,296 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 [2023-02-16 04:25:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:25:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:25:27,358 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:25:27,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:25:27,408 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:25:27,412 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:25:27,412 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 04:25:27,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:27 BoogieIcfgContainer [2023-02-16 04:25:27,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:25:27,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:25:27,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:25:27,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:25:27,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:25:27" (1/3) ... [2023-02-16 04:25:27,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61477f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:25:27, skipping insertion in model container [2023-02-16 04:25:27,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:25:27" (2/3) ... [2023-02-16 04:25:27,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61477f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:25:27, skipping insertion in model container [2023-02-16 04:25:27,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:27" (3/3) ... [2023-02-16 04:25:27,419 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Continue1.c [2023-02-16 04:25:27,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:25:27,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-16 04:25:27,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:25:27,464 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;@1ff0914e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:25:27,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-16 04:25:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 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) [2023-02-16 04:25:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-16 04:25:27,470 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-16 04:25:27,470 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)] === [2023-02-16 04:25:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2023-02-16 04:25:27,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861455170] [2023-02-16 04:25:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:27,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861455170] [2023-02-16 04:25:27,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861455170] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:27,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280377443] [2023-02-16 04:25:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:27,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:27,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:27,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:27,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:27,595 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 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) [2023-02-16 04:25:27,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:27,628 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2023-02-16 04:25:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:27,630 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 [2023-02-16 04:25:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:27,643 INFO L225 Difference]: With dead ends: 20 [2023-02-16 04:25:27,643 INFO L226 Difference]: Without dead ends: 11 [2023-02-16 04:25:27,645 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 [2023-02-16 04:25:27,662 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:27,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:27,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-16 04:25:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-16 04:25:27,689 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) [2023-02-16 04:25:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-02-16 04:25:27,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2023-02-16 04:25:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:27,691 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-02-16 04:25:27,691 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) [2023-02-16 04:25:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-02-16 04:25:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-16 04:25:27,691 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-16 04:25:27,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:25:27,692 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)] === [2023-02-16 04:25:27,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,693 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2023-02-16 04:25:27,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006564224] [2023-02-16 04:25:27,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:27,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006564224] [2023-02-16 04:25:27,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006564224] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664678349] [2023-02-16 04:25:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:27,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:27,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:27,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:27,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:27,753 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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) [2023-02-16 04:25:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:27,783 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2023-02-16 04:25:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:27,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2023-02-16 04:25:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:27,784 INFO L225 Difference]: With dead ends: 15 [2023-02-16 04:25:27,784 INFO L226 Difference]: Without dead ends: 14 [2023-02-16 04:25:27,784 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 [2023-02-16 04:25:27,785 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:27,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-16 04:25:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-16 04:25:27,803 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) [2023-02-16 04:25:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-02-16 04:25:27,804 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 5 [2023-02-16 04:25:27,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:27,804 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-02-16 04:25:27,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2023-02-16 04:25:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-02-16 04:25:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-16 04:25:27,805 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:27,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:25:27,805 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)] === [2023-02-16 04:25:27,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629707, now seen corresponding path program 1 times [2023-02-16 04:25:27,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250843563] [2023-02-16 04:25:27,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:25:27,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250843563] [2023-02-16 04:25:27,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250843563] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:25:27,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775685492] [2023-02-16 04:25:27,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:27,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:25:27,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:27,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:25:27,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:25:27,851 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-16 04:25:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:27,877 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-02-16 04:25:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:25:27,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) Word has length 7 [2023-02-16 04:25:27,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:27,878 INFO L225 Difference]: With dead ends: 27 [2023-02-16 04:25:27,878 INFO L226 Difference]: Without dead ends: 18 [2023-02-16 04:25:27,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:25:27,879 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:27,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-02-16 04:25:27,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-02-16 04:25:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 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) [2023-02-16 04:25:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-02-16 04:25:27,883 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 7 [2023-02-16 04:25:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:27,883 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-02-16 04:25:27,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-16 04:25:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-02-16 04:25:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-16 04:25:27,884 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,884 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:25:27,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:25:27,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,885 INFO L85 PathProgramCache]: Analyzing trace with hash -830837210, now seen corresponding path program 1 times [2023-02-16 04:25:27,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910327793] [2023-02-16 04:25:27,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:25:27,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910327793] [2023-02-16 04:25:27,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910327793] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:27,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064758678] [2023-02-16 04:25:27,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:27,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:27,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:27,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:27,915 INFO L87 Difference]: Start difference. First operand 18 states and 19 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) [2023-02-16 04:25:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:27,924 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-02-16 04:25:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:27,924 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 11 [2023-02-16 04:25:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:27,925 INFO L225 Difference]: With dead ends: 18 [2023-02-16 04:25:27,925 INFO L226 Difference]: Without dead ends: 17 [2023-02-16 04:25:27,925 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 [2023-02-16 04:25:27,926 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 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 [2023-02-16 04:25:27,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-16 04:25:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-02-16 04:25:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-02-16 04:25:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2023-02-16 04:25:27,931 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2023-02-16 04:25:27,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:27,931 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2023-02-16 04:25:27,931 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) [2023-02-16 04:25:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-02-16 04:25:27,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-16 04:25:27,932 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,932 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:27,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:25:27,932 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)] === [2023-02-16 04:25:27,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,933 INFO L85 PathProgramCache]: Analyzing trace with hash 13850320, now seen corresponding path program 1 times [2023-02-16 04:25:27,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053581930] [2023-02-16 04:25:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:25:27,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053581930] [2023-02-16 04:25:27,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053581930] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:27,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077376792] [2023-02-16 04:25:27,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:27,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:27,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:27,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:27,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:27,962 INFO L87 Difference]: Start difference. First operand 17 states and 18 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) [2023-02-16 04:25:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:27,968 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2023-02-16 04:25:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:27,969 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 12 [2023-02-16 04:25:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:27,969 INFO L225 Difference]: With dead ends: 25 [2023-02-16 04:25:27,969 INFO L226 Difference]: Without dead ends: 24 [2023-02-16 04:25:27,970 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 [2023-02-16 04:25:27,971 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:27,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-16 04:25:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-02-16 04:25:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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) [2023-02-16 04:25:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-02-16 04:25:27,975 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 12 [2023-02-16 04:25:27,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:27,975 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-02-16 04:25:27,975 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) [2023-02-16 04:25:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-02-16 04:25:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-16 04:25:27,976 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:27,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2023-02-16 04:25:27,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-16 04:25:27,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:27,977 INFO L85 PathProgramCache]: Analyzing trace with hash 429289471, now seen corresponding path program 1 times [2023-02-16 04:25:27,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:27,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272314138] [2023-02-16 04:25:27,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:25:27,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:27,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272314138] [2023-02-16 04:25:27,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272314138] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:27,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:27,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:27,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076242001] [2023-02-16 04:25:28,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:28,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:28,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:28,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:28,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:28,001 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-16 04:25:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:28,011 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2023-02-16 04:25:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:28,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 13 [2023-02-16 04:25:28,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:28,012 INFO L225 Difference]: With dead ends: 27 [2023-02-16 04:25:28,012 INFO L226 Difference]: Without dead ends: 26 [2023-02-16 04:25:28,012 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 [2023-02-16 04:25:28,014 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 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 [2023-02-16 04:25:28,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:28,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-16 04:25:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2023-02-16 04:25:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 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) [2023-02-16 04:25:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-02-16 04:25:28,021 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 13 [2023-02-16 04:25:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:28,021 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-02-16 04:25:28,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-16 04:25:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-02-16 04:25:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:25:28,021 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:28,021 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:28,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:25:28,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash 298063483, now seen corresponding path program 1 times [2023-02-16 04:25:28,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:28,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160538823] [2023-02-16 04:25:28,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:28,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:28,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-16 04:25:28,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:28,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160538823] [2023-02-16 04:25:28,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160538823] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:28,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:25:28,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:25:28,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425847933] [2023-02-16 04:25:28,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:28,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:25:28,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:25:28,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:25:28,061 INFO L87 Difference]: Start difference. First operand 23 states and 25 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) [2023-02-16 04:25:28,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:28,074 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-02-16 04:25:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:25:28,075 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 15 [2023-02-16 04:25:28,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:28,075 INFO L225 Difference]: With dead ends: 23 [2023-02-16 04:25:28,075 INFO L226 Difference]: Without dead ends: 22 [2023-02-16 04:25:28,075 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 [2023-02-16 04:25:28,076 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:28,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:28,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-02-16 04:25:28,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2023-02-16 04:25:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2023-02-16 04:25:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-02-16 04:25:28,079 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 15 [2023-02-16 04:25:28,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:28,079 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-02-16 04:25:28,079 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) [2023-02-16 04:25:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-02-16 04:25:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-16 04:25:28,080 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:28,080 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:25:28,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-16 04:25:28,080 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:28,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:28,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1911870937, now seen corresponding path program 1 times [2023-02-16 04:25:28,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:28,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798829835] [2023-02-16 04:25:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:28,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:25:28,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:28,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798829835] [2023-02-16 04:25:28,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798829835] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:28,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925554766] [2023-02-16 04:25:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:28,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:28,121 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) [2023-02-16 04:25:28,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:25:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:28,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:25:28,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:25:28,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:25:28,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925554766] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:28,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:28,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2023-02-16 04:25:28,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993469796] [2023-02-16 04:25:28,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:28,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:25:28,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:28,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:25:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:25:28,269 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 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) [2023-02-16 04:25:28,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:28,365 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2023-02-16 04:25:28,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 04:25:28,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 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 18 [2023-02-16 04:25:28,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:28,366 INFO L225 Difference]: With dead ends: 56 [2023-02-16 04:25:28,366 INFO L226 Difference]: Without dead ends: 47 [2023-02-16 04:25:28,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:25:28,367 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:28,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 19 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-02-16 04:25:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2023-02-16 04:25:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.1) internal successors, (44), 40 states have internal predecessors, (44), 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) [2023-02-16 04:25:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-02-16 04:25:28,372 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 18 [2023-02-16 04:25:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:28,372 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-02-16 04:25:28,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 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) [2023-02-16 04:25:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-02-16 04:25:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-02-16 04:25:28,373 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:28,373 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 3, 3, 2, 1, 1, 1] [2023-02-16 04:25:28,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-16 04:25:28,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:28,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1691023050, now seen corresponding path program 2 times [2023-02-16 04:25:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:28,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172244990] [2023-02-16 04:25:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-16 04:25:28,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:28,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172244990] [2023-02-16 04:25:28,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172244990] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:28,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288106788] [2023-02-16 04:25:28,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:25:28,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:28,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:28,685 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) [2023-02-16 04:25:28,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:25:28,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:25:28,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:28,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:25:28,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-16 04:25:28,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-16 04:25:28,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288106788] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:28,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:28,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2023-02-16 04:25:28,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686839534] [2023-02-16 04:25:28,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:28,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-16 04:25:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:28,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-16 04:25:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-02-16 04:25:28,860 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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) [2023-02-16 04:25:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:28,906 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2023-02-16 04:25:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-16 04:25:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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 40 [2023-02-16 04:25:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:28,907 INFO L225 Difference]: With dead ends: 82 [2023-02-16 04:25:28,907 INFO L226 Difference]: Without dead ends: 67 [2023-02-16 04:25:28,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-02-16 04:25:28,908 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:28,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 22 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-02-16 04:25:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2023-02-16 04:25:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 60 states have internal predecessors, (64), 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) [2023-02-16 04:25:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2023-02-16 04:25:28,927 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 40 [2023-02-16 04:25:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:28,928 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2023-02-16 04:25:28,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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) [2023-02-16 04:25:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-02-16 04:25:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-16 04:25:28,930 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:28,930 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 3, 3, 2, 1, 1, 1] [2023-02-16 04:25:28,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:29,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-02-16 04:25:29,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:29,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:29,140 INFO L85 PathProgramCache]: Analyzing trace with hash 347345871, now seen corresponding path program 3 times [2023-02-16 04:25:29,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:29,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292089320] [2023-02-16 04:25:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:29,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292089320] [2023-02-16 04:25:29,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292089320] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:29,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685664947] [2023-02-16 04:25:29,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:25:29,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:29,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:29,203 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) [2023-02-16 04:25:29,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:25:29,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-16 04:25:29,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:29,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:25:29,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685664947] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:29,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:29,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-16 04:25:29,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301042720] [2023-02-16 04:25:29,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:29,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-16 04:25:29,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:29,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-16 04:25:29,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:25:29,359 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 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) [2023-02-16 04:25:29,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:29,378 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2023-02-16 04:25:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:25:29,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 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 60 [2023-02-16 04:25:29,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:29,380 INFO L225 Difference]: With dead ends: 86 [2023-02-16 04:25:29,384 INFO L226 Difference]: Without dead ends: 85 [2023-02-16 04:25:29,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:25:29,387 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:29,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 43 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:29,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-16 04:25:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-02-16 04:25:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 84 states have internal predecessors, (92), 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) [2023-02-16 04:25:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2023-02-16 04:25:29,403 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 60 [2023-02-16 04:25:29,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:29,404 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2023-02-16 04:25:29,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 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) [2023-02-16 04:25:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2023-02-16 04:25:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-02-16 04:25:29,408 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:29,408 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 10, 7, 7, 6, 1, 1, 1] [2023-02-16 04:25:29,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:29,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:29,614 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:29,615 INFO L85 PathProgramCache]: Analyzing trace with hash 691012211, now seen corresponding path program 4 times [2023-02-16 04:25:29,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:29,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215846750] [2023-02-16 04:25:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:29,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215846750] [2023-02-16 04:25:29,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215846750] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:29,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159288819] [2023-02-16 04:25:29,732 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:25:29,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:29,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:25:29,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:25:29,764 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:25:29,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:29,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:25:29,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:25:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:29,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159288819] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:25:29,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:25:29,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-16 04:25:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723542457] [2023-02-16 04:25:29,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:25:29,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-16 04:25:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-16 04:25:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-16 04:25:29,962 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 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) [2023-02-16 04:25:29,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:29,995 INFO L93 Difference]: Finished difference Result 134 states and 156 transitions. [2023-02-16 04:25:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-16 04:25:29,996 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 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 84 [2023-02-16 04:25:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:29,999 INFO L225 Difference]: With dead ends: 134 [2023-02-16 04:25:29,999 INFO L226 Difference]: Without dead ends: 133 [2023-02-16 04:25:29,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-16 04:25:29,999 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:30,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 80 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:30,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-02-16 04:25:30,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-02-16 04:25:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.121212121212121) internal successors, (148), 132 states have internal predecessors, (148), 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) [2023-02-16 04:25:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 148 transitions. [2023-02-16 04:25:30,016 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 148 transitions. Word has length 84 [2023-02-16 04:25:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:30,017 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 148 transitions. [2023-02-16 04:25:30,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 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) [2023-02-16 04:25:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2023-02-16 04:25:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-02-16 04:25:30,021 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:25:30,021 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 15, 15, 14, 10, 1, 1, 1] [2023-02-16 04:25:30,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:30,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:30,225 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-16 04:25:30,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:25:30,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2029921349, now seen corresponding path program 5 times [2023-02-16 04:25:30,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:25:30,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875815506] [2023-02-16 04:25:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:25:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:25:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:25:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:25:30,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:25:30,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875815506] [2023-02-16 04:25:30,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875815506] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:25:30,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452506820] [2023-02-16 04:25:30,478 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:25:30,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:25:30,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:25:30,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:25:30,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:25:30,523 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2023-02-16 04:25:30,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:25:30,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-16 04:25:30,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:25:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 1134 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-02-16 04:25:30,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:25:30,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452506820] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:25:30,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:25:30,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 27 [2023-02-16 04:25:30,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454121090] [2023-02-16 04:25:30,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:25:30,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:25:30,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:25:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:25:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2023-02-16 04:25:30,677 INFO L87 Difference]: Start difference. First operand 133 states and 148 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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) [2023-02-16 04:25:30,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:25:30,727 INFO L93 Difference]: Finished difference Result 188 states and 212 transitions. [2023-02-16 04:25:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 04:25:30,728 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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 132 [2023-02-16 04:25:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:25:30,728 INFO L225 Difference]: With dead ends: 188 [2023-02-16 04:25:30,728 INFO L226 Difference]: Without dead ends: 0 [2023-02-16 04:25:30,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2023-02-16 04:25:30,730 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:25:30,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:25:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-16 04:25:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-16 04:25:30,730 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) [2023-02-16 04:25:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-16 04:25:30,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2023-02-16 04:25:30,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:25:30,731 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:25:30,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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) [2023-02-16 04:25:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:25:30,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-16 04:25:30,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-16 04:25:30,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-16 04:25:30,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-16 04:25:30,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-16 04:25:30,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:25:30,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-16 04:25:30,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2023-02-16 04:25:31,164 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 18) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-02-16 04:25:31,165 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2023-02-16 04:25:31,167 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 10 16) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= 15 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 5)) (and .cse0 (<= 14 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~c~0#1| 4)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483643) (<= 19 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) (<= 12 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 0)) (and .cse0 .cse1 (<= 13 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 3)) (and (<= 20 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483644)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483641)) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483642) (<= 18 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse1 (not (<= |ULTIMATE.start_main_~i~0#1| 10))) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 6) (<= 16 |ULTIMATE.start_main_~i~0#1|)))) [2023-02-16 04:25:31,167 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 10 16) no Hoare annotation was computed. [2023-02-16 04:25:31,169 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:25:31,170 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 04:25:31,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:25:31 BoogieIcfgContainer [2023-02-16 04:25:31,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 04:25:31,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:25:31,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:25:31,196 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:25:31,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:25:27" (3/4) ... [2023-02-16 04:25:31,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 04:25:31,205 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-16 04:25:31,205 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-16 04:25:31,205 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 04:25:31,223 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 04:25:31,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:25:31,224 INFO L158 Benchmark]: Toolchain (without parser) took 4124.95ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 72.9MB in the end (delta: 23.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,224 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:25:31,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.06ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 87.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.50ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 86.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,224 INFO L158 Benchmark]: Boogie Preprocessor took 14.04ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:25:31,225 INFO L158 Benchmark]: RCFGBuilder took 142.26ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 76.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,225 INFO L158 Benchmark]: TraceAbstraction took 3780.65ms. Allocated memory is still 138.4MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 193.1kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,225 INFO L158 Benchmark]: Witness Printer took 27.40ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 72.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:25:31,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.06ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 87.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.50ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 86.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.04ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 85.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 142.26ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 76.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3780.65ms. Allocated memory is still 138.4MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 193.1kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 27.40ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 72.9MB in the end (delta: 3.1MB). 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 3.7s, OverallIterations: 12, TraceHistogramMax: 25, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 304 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 111 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 508 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=11, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 19 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 24 NumberOfFragments, 145 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1355 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 735 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 2409 SizeOfPredicates, 3 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 3176/5956 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: 10]: Loop Invariant Derived loop invariant: ((((((((((((15 <= i && 0 <= c) && 0 <= i) && c <= 5) || (((0 <= c && 14 <= i) && 0 <= i) && c <= 4)) || (((0 <= c && c < 2147483643) && 19 <= i) && 0 <= i)) || (((0 <= c && c <= 2) && 12 <= i) && 0 <= i)) || ((0 <= c && 0 <= i) && c <= 0)) || (((0 <= c && 0 <= i) && 13 <= i) && c <= 3)) || (((20 <= i && 0 <= c) && 0 <= i) && c < 2147483644)) || (((0 <= c && 17 <= i) && 0 <= i) && c < 2147483641)) || (((0 <= c && 0 <= i) && c < 2147483642) && 18 <= i)) || (((0 <= c && c <= 1) && 0 <= i) && !(i <= 10))) || (((0 <= c && 0 <= i) && c <= 6) && 16 <= i) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= i RESULT: Ultimate proved your program to be correct! [2023-02-16 04:25:31,261 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