./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/b.11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/b.11.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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 08:38:08,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 08:38:08,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 08:38:08,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 08:38:08,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 08:38:08,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 08:38:08,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 08:38:08,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 08:38:08,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 08:38:08,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 08:38:08,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 08:38:08,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 08:38:08,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 08:38:08,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 08:38:08,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 08:38:08,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 08:38:08,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 08:38:08,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 08:38:08,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 08:38:08,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 08:38:08,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 08:38:08,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 08:38:08,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 08:38:08,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 08:38:08,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 08:38:08,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 08:38:08,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 08:38:08,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 08:38:08,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 08:38:08,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 08:38:08,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 08:38:08,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 08:38:08,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 08:38:08,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 08:38:08,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 08:38:08,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 08:38:08,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 08:38:08,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 08:38:08,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 08:38:08,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 08:38:08,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 08:38:08,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-18 08:38:08,624 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 08:38:08,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 08:38:08,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 08:38:08,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 08:38:08,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 08:38:08,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 08:38:08,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 08:38:08,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 08:38:08,628 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 08:38:08,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 08:38:08,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 08:38:08,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 08:38:08,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 08:38:08,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 08:38:08,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 08:38:08,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 08:38:08,630 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 08:38:08,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 08:38:08,630 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 08:38:08,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 08:38:08,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 08:38:08,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 08:38:08,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 08:38:08,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:38:08,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 08:38:08,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 08:38:08,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 08:38:08,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 08:38:08,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 08:38:08,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 08:38:08,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 08:38:08,634 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 08:38:08,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 08:38:08,634 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 08:38:08,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2023-02-18 08:38:08,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 08:38:08,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 08:38:08,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 08:38:08,863 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 08:38:08,863 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 08:38:08,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.11.c [2023-02-18 08:38:10,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 08:38:10,208 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 08:38:10,209 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.11.c [2023-02-18 08:38:10,215 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd86707a/66f53d7221984f45a5bd1935da8a6097/FLAG9f131dcab [2023-02-18 08:38:10,224 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd86707a/66f53d7221984f45a5bd1935da8a6097 [2023-02-18 08:38:10,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 08:38:10,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 08:38:10,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 08:38:10,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 08:38:10,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 08:38:10,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c67353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10, skipping insertion in model container [2023-02-18 08:38:10,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 08:38:10,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 08:38:10,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:38:10,381 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 08:38:10,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 08:38:10,404 INFO L208 MainTranslator]: Completed translation [2023-02-18 08:38:10,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10 WrapperNode [2023-02-18 08:38:10,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 08:38:10,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 08:38:10,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 08:38:10,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 08:38:10,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,428 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-02-18 08:38:10,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 08:38:10,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 08:38:10,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 08:38:10,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 08:38:10,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 08:38:10,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 08:38:10,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 08:38:10,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 08:38:10,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (1/1) ... [2023-02-18 08:38:10,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 08:38:10,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:38:10,478 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) [2023-02-18 08:38:10,483 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 [2023-02-18 08:38:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 08:38:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 08:38:10,574 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 08:38:10,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 08:38:10,719 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 08:38:10,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 08:38:10,725 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 08:38:10,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:38:10 BoogieIcfgContainer [2023-02-18 08:38:10,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 08:38:10,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 08:38:10,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 08:38:10,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 08:38:10,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:38:10" (1/3) ... [2023-02-18 08:38:10,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b779c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:38:10, skipping insertion in model container [2023-02-18 08:38:10,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:38:10" (2/3) ... [2023-02-18 08:38:10,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b779c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:38:10, skipping insertion in model container [2023-02-18 08:38:10,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:38:10" (3/3) ... [2023-02-18 08:38:10,738 INFO L112 eAbstractionObserver]: Analyzing ICFG b.11.c [2023-02-18 08:38:10,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 08:38:10,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-18 08:38:10,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 08:38:10,859 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;@4a7193ca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 08:38:10,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-18 08:38:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 40 states have internal predecessors, (48), 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) [2023-02-18 08:38:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 08:38:10,874 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:10,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 08:38:10,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:10,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2023-02-18 08:38:10,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:10,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456434765] [2023-02-18 08:38:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456434765] [2023-02-18 08:38:11,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456434765] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:38:11,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617496620] [2023-02-18 08:38:11,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:38:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:38:11,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:38:11,103 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 40 states have internal predecessors, (48), 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 2.5) 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) [2023-02-18 08:38:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,176 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-02-18 08:38:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:38:11,179 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 [2023-02-18 08:38:11,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,186 INFO L225 Difference]: With dead ends: 45 [2023-02-18 08:38:11,186 INFO L226 Difference]: Without dead ends: 33 [2023-02-18 08:38:11,189 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 [2023-02-18 08:38:11,200 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 37 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:11,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 22 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-18 08:38:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-18 08:38:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 32 states have internal predecessors, (39), 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) [2023-02-18 08:38:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2023-02-18 08:38:11,236 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 5 [2023-02-18 08:38:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,237 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2023-02-18 08:38:11,237 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) [2023-02-18 08:38:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-02-18 08:38:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-18 08:38:11,238 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 08:38:11,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2023-02-18 08:38:11,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727148423] [2023-02-18 08:38:11,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727148423] [2023-02-18 08:38:11,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727148423] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:38:11,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324596571] [2023-02-18 08:38:11,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:38:11,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:38:11,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:11,278 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-18 08:38:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,358 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2023-02-18 08:38:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:38:11,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-02-18 08:38:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,360 INFO L225 Difference]: With dead ends: 61 [2023-02-18 08:38:11,360 INFO L226 Difference]: Without dead ends: 57 [2023-02-18 08:38:11,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:11,362 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 46 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:11,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 58 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-18 08:38:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2023-02-18 08:38:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 50 states have internal predecessors, (67), 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) [2023-02-18 08:38:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2023-02-18 08:38:11,370 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 6 [2023-02-18 08:38:11,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,371 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2023-02-18 08:38:11,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-18 08:38:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-02-18 08:38:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:38:11,372 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 08:38:11,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2023-02-18 08:38:11,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623622388] [2023-02-18 08:38:11,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623622388] [2023-02-18 08:38:11,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623622388] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612057954] [2023-02-18 08:38:11,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:38:11,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:38:11,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:11,418 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2023-02-18 08:38:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,444 INFO L93 Difference]: Finished difference Result 113 states and 148 transitions. [2023-02-18 08:38:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:11,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-18 08:38:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,446 INFO L225 Difference]: With dead ends: 113 [2023-02-18 08:38:11,446 INFO L226 Difference]: Without dead ends: 64 [2023-02-18 08:38:11,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:11,448 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 25 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 92 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 [2023-02-18 08:38:11,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 92 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-02-18 08:38:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2023-02-18 08:38:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 52 states have internal predecessors, (68), 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) [2023-02-18 08:38:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2023-02-18 08:38:11,455 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 9 [2023-02-18 08:38:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,456 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2023-02-18 08:38:11,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2023-02-18 08:38:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-02-18 08:38:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 08:38:11,457 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 08:38:11,458 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2023-02-18 08:38:11,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045521708] [2023-02-18 08:38:11,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045521708] [2023-02-18 08:38:11,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045521708] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 08:38:11,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945168311] [2023-02-18 08:38:11,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:38:11,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:38:11,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:38:11,491 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2023-02-18 08:38:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,540 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2023-02-18 08:38:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:38:11,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-18 08:38:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,542 INFO L225 Difference]: With dead ends: 81 [2023-02-18 08:38:11,542 INFO L226 Difference]: Without dead ends: 80 [2023-02-18 08:38:11,543 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 [2023-02-18 08:38:11,544 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:11,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 33 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-18 08:38:11,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 70. [2023-02-18 08:38:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.492063492063492) internal successors, (94), 69 states have internal predecessors, (94), 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) [2023-02-18 08:38:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2023-02-18 08:38:11,553 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 9 [2023-02-18 08:38:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,554 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2023-02-18 08:38:11,554 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) [2023-02-18 08:38:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-02-18 08:38:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 08:38:11,555 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-18 08:38:11,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2023-02-18 08:38:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312832735] [2023-02-18 08:38:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312832735] [2023-02-18 08:38:11,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312832735] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:38:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527391129] [2023-02-18 08:38:11,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:11,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:11,612 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:11,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,716 INFO L93 Difference]: Finished difference Result 167 states and 222 transitions. [2023-02-18 08:38:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 08:38:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 08:38:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,719 INFO L225 Difference]: With dead ends: 167 [2023-02-18 08:38:11,720 INFO L226 Difference]: Without dead ends: 97 [2023-02-18 08:38:11,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:38:11,722 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 35 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:11,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 95 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:11,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-18 08:38:11,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-02-18 08:38:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 92 states have internal predecessors, (122), 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) [2023-02-18 08:38:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 122 transitions. [2023-02-18 08:38:11,737 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 122 transitions. Word has length 11 [2023-02-18 08:38:11,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,737 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 122 transitions. [2023-02-18 08:38:11,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2023-02-18 08:38:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 08:38:11,739 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-18 08:38:11,741 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2023-02-18 08:38:11,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774127516] [2023-02-18 08:38:11,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774127516] [2023-02-18 08:38:11,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774127516] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:38:11,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034609389] [2023-02-18 08:38:11,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:38:11,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:38:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:11,807 INFO L87 Difference]: Start difference. First operand 93 states and 122 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:11,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:11,888 INFO L93 Difference]: Finished difference Result 192 states and 253 transitions. [2023-02-18 08:38:11,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:11,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 08:38:11,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:11,890 INFO L225 Difference]: With dead ends: 192 [2023-02-18 08:38:11,890 INFO L226 Difference]: Without dead ends: 191 [2023-02-18 08:38:11,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:11,892 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 77 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:11,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 59 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-02-18 08:38:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 116. [2023-02-18 08:38:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 109 states have (on average 1.4036697247706422) internal successors, (153), 115 states have internal predecessors, (153), 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) [2023-02-18 08:38:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 153 transitions. [2023-02-18 08:38:11,903 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 153 transitions. Word has length 11 [2023-02-18 08:38:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:11,904 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 153 transitions. [2023-02-18 08:38:11,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2023-02-18 08:38:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-18 08:38:11,905 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:11,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:11,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-18 08:38:11,905 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2023-02-18 08:38:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:11,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853308993] [2023-02-18 08:38:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:11,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:11,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853308993] [2023-02-18 08:38:11,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853308993] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:11,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:11,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:11,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998935752] [2023-02-18 08:38:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:11,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:11,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:11,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:11,950 INFO L87 Difference]: Start difference. First operand 116 states and 153 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2023-02-18 08:38:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,044 INFO L93 Difference]: Finished difference Result 210 states and 277 transitions. [2023-02-18 08:38:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-18 08:38:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,046 INFO L225 Difference]: With dead ends: 210 [2023-02-18 08:38:12,047 INFO L226 Difference]: Without dead ends: 209 [2023-02-18 08:38:12,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:38:12,048 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 87 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 31 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-02-18 08:38:12,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2023-02-18 08:38:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 197 states have (on average 1.385786802030457) internal successors, (273), 203 states have internal predecessors, (273), 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) [2023-02-18 08:38:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 273 transitions. [2023-02-18 08:38:12,066 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 273 transitions. Word has length 12 [2023-02-18 08:38:12,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,066 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 273 transitions. [2023-02-18 08:38:12,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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) [2023-02-18 08:38:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 273 transitions. [2023-02-18 08:38:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-18 08:38:12,067 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-18 08:38:12,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2023-02-18 08:38:12,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635946184] [2023-02-18 08:38:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635946184] [2023-02-18 08:38:12,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635946184] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:38:12,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143911317] [2023-02-18 08:38:12,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 08:38:12,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 08:38:12,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:38:12,122 INFO L87 Difference]: Start difference. First operand 204 states and 273 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2023-02-18 08:38:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,180 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2023-02-18 08:38:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 08:38:12,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 [2023-02-18 08:38:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,182 INFO L225 Difference]: With dead ends: 223 [2023-02-18 08:38:12,182 INFO L226 Difference]: Without dead ends: 222 [2023-02-18 08:38:12,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-18 08:38:12,183 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 65 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 39 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-02-18 08:38:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 207. [2023-02-18 08:38:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.355) internal successors, (271), 206 states have internal predecessors, (271), 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) [2023-02-18 08:38:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 271 transitions. [2023-02-18 08:38:12,193 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 271 transitions. Word has length 13 [2023-02-18 08:38:12,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,193 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 271 transitions. [2023-02-18 08:38:12,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2023-02-18 08:38:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 271 transitions. [2023-02-18 08:38:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 08:38:12,194 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-18 08:38:12,195 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,195 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2023-02-18 08:38:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067278601] [2023-02-18 08:38:12,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067278601] [2023-02-18 08:38:12,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067278601] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:12,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739359705] [2023-02-18 08:38:12,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:12,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:12,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,231 INFO L87 Difference]: Start difference. First operand 207 states and 271 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,294 INFO L93 Difference]: Finished difference Result 209 states and 271 transitions. [2023-02-18 08:38:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-18 08:38:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,296 INFO L225 Difference]: With dead ends: 209 [2023-02-18 08:38:12,296 INFO L226 Difference]: Without dead ends: 207 [2023-02-18 08:38:12,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:38:12,298 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 71 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 30 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-02-18 08:38:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 166. [2023-02-18 08:38:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 160 states have (on average 1.3125) internal successors, (210), 165 states have internal predecessors, (210), 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) [2023-02-18 08:38:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 210 transitions. [2023-02-18 08:38:12,313 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 210 transitions. Word has length 14 [2023-02-18 08:38:12,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,314 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 210 transitions. [2023-02-18 08:38:12,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 210 transitions. [2023-02-18 08:38:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 08:38:12,316 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-18 08:38:12,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1315697474, now seen corresponding path program 1 times [2023-02-18 08:38:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711791242] [2023-02-18 08:38:12,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711791242] [2023-02-18 08:38:12,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711791242] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:38:12,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813170954] [2023-02-18 08:38:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 08:38:12,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 08:38:12,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:38:12,356 INFO L87 Difference]: Start difference. First operand 166 states and 210 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,367 INFO L93 Difference]: Finished difference Result 325 states and 408 transitions. [2023-02-18 08:38:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 08:38:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-18 08:38:12,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,369 INFO L225 Difference]: With dead ends: 325 [2023-02-18 08:38:12,369 INFO L226 Difference]: Without dead ends: 156 [2023-02-18 08:38:12,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 08:38:12,373 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 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 [2023-02-18 08:38:12,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-18 08:38:12,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-02-18 08:38:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 150 states have (on average 1.2533333333333334) internal successors, (188), 155 states have internal predecessors, (188), 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) [2023-02-18 08:38:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2023-02-18 08:38:12,379 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 14 [2023-02-18 08:38:12,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,380 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2023-02-18 08:38:12,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2023-02-18 08:38:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 08:38:12,382 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-18 08:38:12,383 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash 334166611, now seen corresponding path program 1 times [2023-02-18 08:38:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856390712] [2023-02-18 08:38:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856390712] [2023-02-18 08:38:12,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856390712] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 08:38:12,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561652682] [2023-02-18 08:38:12,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:12,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:12,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,434 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,455 INFO L93 Difference]: Finished difference Result 303 states and 363 transitions. [2023-02-18 08:38:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-18 08:38:12,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,456 INFO L225 Difference]: With dead ends: 303 [2023-02-18 08:38:12,456 INFO L226 Difference]: Without dead ends: 156 [2023-02-18 08:38:12,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:38:12,458 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 120 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-18 08:38:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-02-18 08:38:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 155 states have internal predecessors, (184), 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) [2023-02-18 08:38:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2023-02-18 08:38:12,464 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 14 [2023-02-18 08:38:12,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,464 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2023-02-18 08:38:12,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 08:38:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2023-02-18 08:38:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 08:38:12,466 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-18 08:38:12,468 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1297490010, now seen corresponding path program 1 times [2023-02-18 08:38:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957243244] [2023-02-18 08:38:12,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957243244] [2023-02-18 08:38:12,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957243244] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:12,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615661702] [2023-02-18 08:38:12,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:12,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:12,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,511 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-02-18 08:38:12,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,555 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2023-02-18 08:38:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2023-02-18 08:38:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,558 INFO L225 Difference]: With dead ends: 218 [2023-02-18 08:38:12,558 INFO L226 Difference]: Without dead ends: 217 [2023-02-18 08:38:12,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:38:12,559 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 75 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 27 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-02-18 08:38:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 155. [2023-02-18 08:38:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 150 states have (on average 1.1933333333333334) internal successors, (179), 154 states have internal predecessors, (179), 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) [2023-02-18 08:38:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 179 transitions. [2023-02-18 08:38:12,564 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 179 transitions. Word has length 16 [2023-02-18 08:38:12,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,566 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 179 transitions. [2023-02-18 08:38:12,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-02-18 08:38:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 179 transitions. [2023-02-18 08:38:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 08:38:12,567 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-18 08:38:12,568 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2023-02-18 08:38:12,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142049451] [2023-02-18 08:38:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142049451] [2023-02-18 08:38:12,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142049451] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:12,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428770682] [2023-02-18 08:38:12,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:38:12,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:38:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:12,593 INFO L87 Difference]: Start difference. First operand 155 states and 179 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-02-18 08:38:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,631 INFO L93 Difference]: Finished difference Result 227 states and 262 transitions. [2023-02-18 08:38:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 08:38:12,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-02-18 08:38:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,632 INFO L225 Difference]: With dead ends: 227 [2023-02-18 08:38:12,632 INFO L226 Difference]: Without dead ends: 87 [2023-02-18 08:38:12,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,633 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 55 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-18 08:38:12,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2023-02-18 08:38:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 80 states have internal predecessors, (91), 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) [2023-02-18 08:38:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2023-02-18 08:38:12,637 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 16 [2023-02-18 08:38:12,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,637 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2023-02-18 08:38:12,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-02-18 08:38:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-02-18 08:38:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-18 08:38:12,637 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-18 08:38:12,638 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1227971096, now seen corresponding path program 1 times [2023-02-18 08:38:12,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833050977] [2023-02-18 08:38:12,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833050977] [2023-02-18 08:38:12,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833050977] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 08:38:12,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72342695] [2023-02-18 08:38:12,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 08:38:12,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 08:38:12,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 08:38:12,664 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-02-18 08:38:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,714 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions. [2023-02-18 08:38:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2023-02-18 08:38:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,715 INFO L225 Difference]: With dead ends: 120 [2023-02-18 08:38:12,715 INFO L226 Difference]: Without dead ends: 119 [2023-02-18 08:38:12,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,716 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 50 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 46 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-18 08:38:12,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2023-02-18 08:38:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.18348623853211) internal successors, (129), 112 states have internal predecessors, (129), 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) [2023-02-18 08:38:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 129 transitions. [2023-02-18 08:38:12,720 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 129 transitions. Word has length 17 [2023-02-18 08:38:12,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,721 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 129 transitions. [2023-02-18 08:38:12,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-02-18 08:38:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 129 transitions. [2023-02-18 08:38:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-18 08:38:12,722 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-18 08:38:12,722 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash -587595610, now seen corresponding path program 1 times [2023-02-18 08:38:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120357641] [2023-02-18 08:38:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120357641] [2023-02-18 08:38:12,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120357641] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:12,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:12,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425030360] [2023-02-18 08:38:12,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:12,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:12,751 INFO L87 Difference]: Start difference. First operand 113 states and 129 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) [2023-02-18 08:38:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:12,788 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2023-02-18 08:38:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 08:38:12,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) Word has length 18 [2023-02-18 08:38:12,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:12,789 INFO L225 Difference]: With dead ends: 129 [2023-02-18 08:38:12,789 INFO L226 Difference]: Without dead ends: 126 [2023-02-18 08:38:12,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:38:12,790 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 62 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:12,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 28 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:12,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-02-18 08:38:12,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 69. [2023-02-18 08:38:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 68 states have internal predecessors, (77), 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) [2023-02-18 08:38:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2023-02-18 08:38:12,793 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 18 [2023-02-18 08:38:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:12,793 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2023-02-18 08:38:12,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 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) [2023-02-18 08:38:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-02-18 08:38:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-18 08:38:12,794 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:12,794 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:12,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-18 08:38:12,795 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:12,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1066462104, now seen corresponding path program 1 times [2023-02-18 08:38:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:12,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304966263] [2023-02-18 08:38:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:12,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304966263] [2023-02-18 08:38:12,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304966263] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 08:38:12,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280937062] [2023-02-18 08:38:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 08:38:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 08:38:12,829 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) [2023-02-18 08:38:12,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 08:38:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:12,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 08:38:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 08:38:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:12,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 08:38:12,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280937062] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:12,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 08:38:12,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 6 [2023-02-18 08:38:12,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931412680] [2023-02-18 08:38:12,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:12,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 08:38:12,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:12,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 08:38:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-18 08:38:12,959 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2023-02-18 08:38:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:13,046 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2023-02-18 08:38:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 08:38:13,046 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2023-02-18 08:38:13,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:13,047 INFO L225 Difference]: With dead ends: 88 [2023-02-18 08:38:13,047 INFO L226 Difference]: Without dead ends: 42 [2023-02-18 08:38:13,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-02-18 08:38:13,048 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 30 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:13,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 63 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 08:38:13,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-18 08:38:13,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2023-02-18 08:38:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 35 states have internal predecessors, (39), 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) [2023-02-18 08:38:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-02-18 08:38:13,051 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 23 [2023-02-18 08:38:13,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:13,051 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-02-18 08:38:13,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2023-02-18 08:38:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-02-18 08:38:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-18 08:38:13,052 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 08:38:13,052 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:13,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 08:38:13,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-18 08:38:13,270 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 08:38:13,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 08:38:13,271 INFO L85 PathProgramCache]: Analyzing trace with hash -154397489, now seen corresponding path program 1 times [2023-02-18 08:38:13,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 08:38:13,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135207159] [2023-02-18 08:38:13,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 08:38:13,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 08:38:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 08:38:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 08:38:13,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 08:38:13,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135207159] [2023-02-18 08:38:13,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135207159] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 08:38:13,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 08:38:13,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 08:38:13,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481522527] [2023-02-18 08:38:13,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 08:38:13,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 08:38:13,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 08:38:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 08:38:13,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 08:38:13,310 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 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) [2023-02-18 08:38:13,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 08:38:13,348 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2023-02-18 08:38:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 08:38:13,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 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) Word has length 26 [2023-02-18 08:38:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 08:38:13,349 INFO L225 Difference]: With dead ends: 47 [2023-02-18 08:38:13,349 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 08:38:13,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-18 08:38:13,351 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 08:38:13,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 08:38:13,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 08:38:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 08:38:13,352 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) [2023-02-18 08:38:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 08:38:13,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-02-18 08:38:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 08:38:13,352 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 08:38:13,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 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) [2023-02-18 08:38:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 08:38:13,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 08:38:13,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-02-18 08:38:13,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-02-18 08:38:13,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-02-18 08:38:13,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-02-18 08:38:13,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-02-18 08:38:13,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-02-18 08:38:13,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-02-18 08:38:13,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-02-18 08:38:13,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-02-18 08:38:13,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-02-18 08:38:13,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-02-18 08:38:13,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-02-18 08:38:13,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-18 08:38:13,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 08:38:13,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,365 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 19) no Hoare annotation was computed. [2023-02-18 08:38:13,368 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 11 21) the Hoare annotation is: (let ((.cse15 (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse11 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483646))) (.cse6 (<= .cse15 2147483646)) (.cse3 (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) (.cse4 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse7 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse8 (<= (+ |ULTIMATE.start_main_~x~0#1| 1) 0))) (let ((.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse2 (let ((.cse16 (or (and .cse7 .cse4 .cse8) (and .cse7 .cse8)))) (or (and .cse6 .cse7 .cse16 .cse3) (and .cse11 .cse6 .cse7 .cse16 .cse3)))) (.cse10 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483646))) (.cse9 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)))) (let ((.cse5 (and .cse7 .cse9 .cse4 .cse3)) (.cse12 (<= 0 .cse15)) (.cse0 (and .cse6 .cse7 .cse9 .cse10 .cse3 .cse8)) (.cse14 (and .cse2 .cse10 .cse3)) (.cse13 (and .cse11 .cse1 .cse6 .cse7 .cse4 .cse3))) (or .cse0 (and .cse1 (or (and .cse2 .cse3) (and .cse2 .cse4 .cse3))) .cse5 (and (or (and .cse1 .cse6 .cse7 (not .cse8) .cse9 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) .cse10 .cse3) (and .cse11 .cse1 .cse6 .cse7 .cse3)) .cse12) (and (or .cse5 .cse13) .cse12) .cse14 (and .cse1 (or .cse0 .cse14)) .cse13))))) [2023-02-18 08:38:13,368 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,368 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-18 08:38:13,368 INFO L899 garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,369 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2023-02-18 08:38:13,369 INFO L899 garLoopResultBuilder]: For program point L11-3(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-18 08:38:13,369 INFO L899 garLoopResultBuilder]: For program point L11-5(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,369 INFO L899 garLoopResultBuilder]: For program point L11-6(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,369 INFO L899 garLoopResultBuilder]: For program point L11-8(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L11-9(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L11-10(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L11-12(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L11-13(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,370 INFO L899 garLoopResultBuilder]: For program point L11-14(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 08:38:13,371 INFO L899 garLoopResultBuilder]: For program point L11-15(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,371 INFO L899 garLoopResultBuilder]: For program point L11-16(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,371 INFO L899 garLoopResultBuilder]: For program point L11-18(lines 11 21) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point L11-20(lines 11 21) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 20) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-18 08:38:13,372 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 08:38:13,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-18 08:38:13,374 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2023-02-18 08:38:13,374 INFO L899 garLoopResultBuilder]: For program point L18-1(line 18) no Hoare annotation was computed. [2023-02-18 08:38:13,374 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-02-18 08:38:13,374 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-18 08:38:13,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 08:38:13,379 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 08:38:13,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:38:13 BoogieIcfgContainer [2023-02-18 08:38:13,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 08:38:13,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 08:38:13,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 08:38:13,412 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 08:38:13,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:38:10" (3/4) ... [2023-02-18 08:38:13,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 08:38:13,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 08:38:13,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-18 08:38:13,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 08:38:13,458 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 08:38:13,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 08:38:13,460 INFO L158 Benchmark]: Toolchain (without parser) took 3232.26ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 95.4MB in the beginning and 67.1MB in the end (delta: 28.3MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,460 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 112.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:38:13,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.69ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 85.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.40ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,461 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 08:38:13,461 INFO L158 Benchmark]: RCFGBuilder took 276.33ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 72.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,461 INFO L158 Benchmark]: TraceAbstraction took 2682.65ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,462 INFO L158 Benchmark]: Witness Printer took 47.32ms. Allocated memory is still 199.2MB. Free memory was 70.2MB in the beginning and 67.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 08:38:13,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 112.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.69ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 85.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.40ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 84.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.33ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 72.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2682.65ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 47.32ms. Allocated memory is still 199.2MB. Free memory was 70.2MB in the beginning and 67.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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, 41 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 725 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 462 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 853 IncrementalHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 434 mSDtfsCounter, 853 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=8, InterpolantAutomatonStates: 84, 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, 17 MinimizatonAttempts, 304 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 565 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 SizeOfPredicates, 1 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 15/17 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 12 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((((((((x + y <= 2147483646 && x <= 2147483647) && 0 <= x + 2147483648) && 0 <= x + 2147483646) && y <= 2147483647) && x + 1 <= 0) || (0 <= x && ((((((x + y <= 2147483646 && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647) || ((((0 <= y + 2147483646 && x + y <= 2147483646) && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647)) && y <= 2147483647) || ((((((x + y <= 2147483646 && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647) || ((((0 <= y + 2147483646 && x + y <= 2147483646) && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647)) && 0 <= y + 2147483648) && y <= 2147483647)))) || (((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647)) || (((((((((0 <= x && x + y <= 2147483646) && x <= 2147483647) && !(x + 1 <= 0)) && 0 <= x + 2147483648) && 0 <= 2147483647 + x) && 0 <= x + 2147483646) && y <= 2147483647) || ((((0 <= y + 2147483646 && 0 <= x) && x + y <= 2147483646) && x <= 2147483647) && y <= 2147483647)) && 0 <= x + y)) || (((((x <= 2147483647 && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) || (((((0 <= y + 2147483646 && 0 <= x) && x + y <= 2147483646) && x <= 2147483647) && 0 <= y + 2147483648) && y <= 2147483647)) && 0 <= x + y)) || ((((((x + y <= 2147483646 && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647) || ((((0 <= y + 2147483646 && x + y <= 2147483646) && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647)) && 0 <= x + 2147483646) && y <= 2147483647)) || (0 <= x && ((((((x + y <= 2147483646 && x <= 2147483647) && 0 <= x + 2147483648) && 0 <= x + 2147483646) && y <= 2147483647) && x + 1 <= 0) || ((((((x + y <= 2147483646 && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647) || ((((0 <= y + 2147483646 && x + y <= 2147483646) && x <= 2147483647) && (((x <= 2147483647 && 0 <= y + 2147483648) && x + 1 <= 0) || (x <= 2147483647 && x + 1 <= 0))) && y <= 2147483647)) && 0 <= x + 2147483646) && y <= 2147483647)))) || (((((0 <= y + 2147483646 && 0 <= x) && x + y <= 2147483646) && x <= 2147483647) && 0 <= y + 2147483648) && y <= 2147483647) RESULT: Ultimate proved your program to be correct! [2023-02-18 08:38:13,490 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