./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e8d55036 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-numeric/Parts.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 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 23:00:23,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 23:00:23,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 23:00:23,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 23:00:23,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 23:00:23,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 23:00:23,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 23:00:23,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 23:00:23,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 23:00:23,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 23:00:23,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 23:00:23,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 23:00:23,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 23:00:23,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 23:00:23,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 23:00:23,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 23:00:23,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 23:00:23,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 23:00:23,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 23:00:23,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 23:00:23,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 23:00:23,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 23:00:23,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 23:00:23,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 23:00:23,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 23:00:23,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 23:00:23,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 23:00:23,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 23:00:23,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 23:00:23,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 23:00:23,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 23:00:23,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 23:00:23,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 23:00:23,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 23:00:23,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 23:00:23,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 23:00:23,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 23:00:23,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 23:00:23,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 23:00:23,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 23:00:23,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 23:00:23,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 23:00:23,657 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 23:00:23,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 23:00:23,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 23:00:23,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 23:00:23,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 23:00:23,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 23:00:23,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 23:00:23,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 23:00:23,659 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 23:00:23,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 23:00:23,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 23:00:23,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 23:00:23,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 23:00:23,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 23:00:23,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 23:00:23,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 23:00:23,661 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 23:00:23,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 23:00:23,661 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 23:00:23,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 23:00:23,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 23:00:23,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 23:00:23,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 23:00:23,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:00:23,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 23:00:23,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 23:00:23,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 23:00:23,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 23:00:23,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 23:00:23,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 23:00:23,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 23:00:23,663 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 23:00:23,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 23:00:23,664 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 23:00:23,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2023-02-15 23:00:23,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 23:00:23,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 23:00:23,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 23:00:23,893 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 23:00:23,893 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 23:00:23,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2023-02-15 23:00:25,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 23:00:25,193 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 23:00:25,194 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2023-02-15 23:00:25,200 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2939c3a06/0d68e35a5d7d44d79ead1dfae0c7bc55/FLAGbf2d04cfc [2023-02-15 23:00:25,211 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2939c3a06/0d68e35a5d7d44d79ead1dfae0c7bc55 [2023-02-15 23:00:25,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 23:00:25,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 23:00:25,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 23:00:25,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 23:00:25,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 23:00:25,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f5138e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25, skipping insertion in model container [2023-02-15 23:00:25,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 23:00:25,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 23:00:25,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:00:25,348 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 23:00:25,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 23:00:25,369 INFO L208 MainTranslator]: Completed translation [2023-02-15 23:00:25,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25 WrapperNode [2023-02-15 23:00:25,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 23:00:25,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 23:00:25,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 23:00:25,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 23:00:25,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,396 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-02-15 23:00:25,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 23:00:25,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 23:00:25,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 23:00:25,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 23:00:25,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 23:00:25,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 23:00:25,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 23:00:25,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 23:00:25,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (1/1) ... [2023-02-15 23:00:25,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 23:00:25,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:25,440 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) [2023-02-15 23:00:25,442 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 [2023-02-15 23:00:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2023-02-15 23:00:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2023-02-15 23:00:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 23:00:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 23:00:25,538 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 23:00:25,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 23:00:25,744 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 23:00:25,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 23:00:25,755 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-15 23:00:25,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:00:25 BoogieIcfgContainer [2023-02-15 23:00:25,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 23:00:25,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 23:00:25,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 23:00:25,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 23:00:25,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:00:25" (1/3) ... [2023-02-15 23:00:25,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108897f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:00:25, skipping insertion in model container [2023-02-15 23:00:25,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:00:25" (2/3) ... [2023-02-15 23:00:25,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108897f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:00:25, skipping insertion in model container [2023-02-15 23:00:25,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:00:25" (3/3) ... [2023-02-15 23:00:25,764 INFO L112 eAbstractionObserver]: Analyzing ICFG Parts.c [2023-02-15 23:00:25,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 23:00:25,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-15 23:00:25,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 23:00:25,833 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;@7252170d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 23:00:25,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-15 23:00:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-15 23:00:25,842 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:25,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:25,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:25,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:25,847 INFO L85 PathProgramCache]: Analyzing trace with hash -602953989, now seen corresponding path program 1 times [2023-02-15 23:00:25,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:25,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244470222] [2023-02-15 23:00:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:25,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:25,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244470222] [2023-02-15 23:00:25,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244470222] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:25,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:25,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:00:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313353014] [2023-02-15 23:00:25,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:25,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 23:00:25,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 23:00:25,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 23:00:25,991 INFO L87 Difference]: Start difference. First operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,013 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2023-02-15 23:00:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 23:00:26,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-15 23:00:26,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,021 INFO L225 Difference]: With dead ends: 86 [2023-02-15 23:00:26,021 INFO L226 Difference]: Without dead ends: 42 [2023-02-15 23:00:26,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 23:00:26,027 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-15 23:00:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-02-15 23:00:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-02-15 23:00:26,070 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 8 [2023-02-15 23:00:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,070 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-02-15 23:00:26,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-02-15 23:00:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-15 23:00:26,072 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 23:00:26,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,076 INFO L85 PathProgramCache]: Analyzing trace with hash -602965521, now seen corresponding path program 1 times [2023-02-15 23:00:26,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694883415] [2023-02-15 23:00:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:26,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694883415] [2023-02-15 23:00:26,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694883415] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 23:00:26,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477941134] [2023-02-15 23:00:26,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:00:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:00:26,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:00:26,186 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,245 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2023-02-15 23:00:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:00:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-15 23:00:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,247 INFO L225 Difference]: With dead ends: 81 [2023-02-15 23:00:26,248 INFO L226 Difference]: Without dead ends: 43 [2023-02-15 23:00:26,249 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 [2023-02-15 23:00:26,250 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 21 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-15 23:00:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-02-15 23:00:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2023-02-15 23:00:26,261 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 8 [2023-02-15 23:00:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,262 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2023-02-15 23:00:26,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-02-15 23:00:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 23:00:26,263 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 23:00:26,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1944725597, now seen corresponding path program 1 times [2023-02-15 23:00:26,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137108237] [2023-02-15 23:00:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:26,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137108237] [2023-02-15 23:00:26,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137108237] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 23:00:26,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720791942] [2023-02-15 23:00:26,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 23:00:26,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 23:00:26,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 23:00:26,304 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,343 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2023-02-15 23:00:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 23:00:26,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-02-15 23:00:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,348 INFO L225 Difference]: With dead ends: 45 [2023-02-15 23:00:26,349 INFO L226 Difference]: Without dead ends: 44 [2023-02-15 23:00:26,349 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 [2023-02-15 23:00:26,350 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-02-15 23:00:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2023-02-15 23:00:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-02-15 23:00:26,360 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 12 [2023-02-15 23:00:26,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,360 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-02-15 23:00:26,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-02-15 23:00:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 23:00:26,361 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 23:00:26,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash 156951411, now seen corresponding path program 1 times [2023-02-15 23:00:26,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941518148] [2023-02-15 23:00:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:26,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941518148] [2023-02-15 23:00:26,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941518148] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:00:26,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101726788] [2023-02-15 23:00:26,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:26,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:26,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:26,423 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,476 INFO L93 Difference]: Finished difference Result 101 states and 121 transitions. [2023-02-15 23:00:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 23:00:26,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-15 23:00:26,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,478 INFO L225 Difference]: With dead ends: 101 [2023-02-15 23:00:26,478 INFO L226 Difference]: Without dead ends: 63 [2023-02-15 23:00:26,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:00:26,480 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 147 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-15 23:00:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2023-02-15 23:00:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-15 23:00:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-02-15 23:00:26,494 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 13 [2023-02-15 23:00:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,494 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-02-15 23:00:26,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 23:00:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-02-15 23:00:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 23:00:26,496 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 23:00:26,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,498 INFO L85 PathProgramCache]: Analyzing trace with hash 565418330, now seen corresponding path program 1 times [2023-02-15 23:00:26,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015823861] [2023-02-15 23:00:26,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:26,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015823861] [2023-02-15 23:00:26,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015823861] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:00:26,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125767271] [2023-02-15 23:00:26,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:00:26,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:00:26,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:00:26,576 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,598 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2023-02-15 23:00:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:00:26,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-02-15 23:00:26,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,600 INFO L225 Difference]: With dead ends: 54 [2023-02-15 23:00:26,600 INFO L226 Difference]: Without dead ends: 53 [2023-02-15 23:00:26,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:26,601 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 113 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-15 23:00:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-02-15 23:00:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.368421052631579) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-15 23:00:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2023-02-15 23:00:26,609 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 14 [2023-02-15 23:00:26,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,609 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-02-15 23:00:26,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-02-15 23:00:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 23:00:26,610 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 23:00:26,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash 348099144, now seen corresponding path program 1 times [2023-02-15 23:00:26,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845184526] [2023-02-15 23:00:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:26,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845184526] [2023-02-15 23:00:26,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845184526] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:00:26,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821056380] [2023-02-15 23:00:26,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:00:26,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:00:26,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:00:26,654 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,685 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2023-02-15 23:00:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:00:26,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-02-15 23:00:26,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,690 INFO L225 Difference]: With dead ends: 64 [2023-02-15 23:00:26,690 INFO L226 Difference]: Without dead ends: 63 [2023-02-15 23:00:26,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:26,691 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 125 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-15 23:00:26,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-02-15 23:00:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 53 states have internal predecessors, (60), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-15 23:00:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2023-02-15 23:00:26,710 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 15 [2023-02-15 23:00:26,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,710 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2023-02-15 23:00:26,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-02-15 23:00:26,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 23:00:26,712 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 23:00:26,713 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2124333102, now seen corresponding path program 1 times [2023-02-15 23:00:26,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348401745] [2023-02-15 23:00:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:00:26,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348401745] [2023-02-15 23:00:26,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348401745] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:00:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514133069] [2023-02-15 23:00:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:00:26,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:00:26,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:00:26,765 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,784 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2023-02-15 23:00:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:00:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-02-15 23:00:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,786 INFO L225 Difference]: With dead ends: 63 [2023-02-15 23:00:26,786 INFO L226 Difference]: Without dead ends: 62 [2023-02-15 23:00:26,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:26,787 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-15 23:00:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-02-15 23:00:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 52 states have internal predecessors, (59), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-15 23:00:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2023-02-15 23:00:26,799 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 18 [2023-02-15 23:00:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,800 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2023-02-15 23:00:26,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2023-02-15 23:00:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 23:00:26,801 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 23:00:26,802 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1429816616, now seen corresponding path program 1 times [2023-02-15 23:00:26,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135427947] [2023-02-15 23:00:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 23:00:26,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135427947] [2023-02-15 23:00:26,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135427947] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:26,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:26,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 23:00:26,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525703299] [2023-02-15 23:00:26,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:26,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 23:00:26,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:26,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 23:00:26,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 23:00:26,846 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:26,887 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2023-02-15 23:00:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 23:00:26,887 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-02-15 23:00:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:26,888 INFO L225 Difference]: With dead ends: 67 [2023-02-15 23:00:26,888 INFO L226 Difference]: Without dead ends: 66 [2023-02-15 23:00:26,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:26,889 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:26,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 123 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-15 23:00:26,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-02-15 23:00:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 55 states have internal predecessors, (62), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-15 23:00:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2023-02-15 23:00:26,898 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 19 [2023-02-15 23:00:26,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:26,898 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2023-02-15 23:00:26,898 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2023-02-15 23:00:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-15 23:00:26,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:26,899 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:26,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 23:00:26,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1719727877, now seen corresponding path program 1 times [2023-02-15 23:00:26,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:26,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901755988] [2023-02-15 23:00:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 23:00:26,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:26,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901755988] [2023-02-15 23:00:26,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901755988] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:26,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051291231] [2023-02-15 23:00:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:26,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:26,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:26,975 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) [2023-02-15 23:00:26,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 23:00:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:27,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 23:00:27,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 23:00:27,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 23:00:27,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051291231] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:27,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:27,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-15 23:00:27,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344511639] [2023-02-15 23:00:27,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:27,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 23:00:27,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:27,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 23:00:27,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-15 23:00:27,183 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:27,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:27,284 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2023-02-15 23:00:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 23:00:27,285 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 25 [2023-02-15 23:00:27,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:27,286 INFO L225 Difference]: With dead ends: 126 [2023-02-15 23:00:27,286 INFO L226 Difference]: Without dead ends: 125 [2023-02-15 23:00:27,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-15 23:00:27,287 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 32 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:27,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:27,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-02-15 23:00:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 101. [2023-02-15 23:00:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.240506329113924) internal successors, (98), 85 states have internal predecessors, (98), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-15 23:00:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2023-02-15 23:00:27,315 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 25 [2023-02-15 23:00:27,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:27,315 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2023-02-15 23:00:27,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-02-15 23:00:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-15 23:00:27,316 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:27,316 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:27,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:27,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:27,517 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:27,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:27,518 INFO L85 PathProgramCache]: Analyzing trace with hash 679022498, now seen corresponding path program 1 times [2023-02-15 23:00:27,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:27,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366010662] [2023-02-15 23:00:27,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:27,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:27,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:27,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366010662] [2023-02-15 23:00:27,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366010662] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:27,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309812432] [2023-02-15 23:00:27,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:27,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:27,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:27,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:27,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 23:00:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:27,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 23:00:27,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:27,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 23:00:27,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309812432] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:27,873 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:27,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-02-15 23:00:27,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769558318] [2023-02-15 23:00:27,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:27,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-15 23:00:27,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:27,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-15 23:00:27,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-02-15 23:00:27,876 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-15 23:00:28,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:28,015 INFO L93 Difference]: Finished difference Result 165 states and 201 transitions. [2023-02-15 23:00:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 23:00:28,016 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2023-02-15 23:00:28,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:28,017 INFO L225 Difference]: With dead ends: 165 [2023-02-15 23:00:28,017 INFO L226 Difference]: Without dead ends: 102 [2023-02-15 23:00:28,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-02-15 23:00:28,022 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 27 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:28,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 302 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-15 23:00:28,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2023-02-15 23:00:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 85 states have internal predecessors, (97), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-15 23:00:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 123 transitions. [2023-02-15 23:00:28,046 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 123 transitions. Word has length 28 [2023-02-15 23:00:28,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:28,047 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 123 transitions. [2023-02-15 23:00:28,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-15 23:00:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2023-02-15 23:00:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-02-15 23:00:28,051 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:28,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:28,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-15 23:00:28,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-15 23:00:28,256 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:28,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash -606599675, now seen corresponding path program 2 times [2023-02-15 23:00:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:28,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878978782] [2023-02-15 23:00:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:28,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-15 23:00:28,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:28,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878978782] [2023-02-15 23:00:28,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878978782] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:28,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:28,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:00:28,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709471843] [2023-02-15 23:00:28,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:28,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:28,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:28,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:28,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:28,308 INFO L87 Difference]: Start difference. First operand 101 states and 123 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:28,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:28,364 INFO L93 Difference]: Finished difference Result 171 states and 214 transitions. [2023-02-15 23:00:28,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 23:00:28,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-02-15 23:00:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:28,366 INFO L225 Difference]: With dead ends: 171 [2023-02-15 23:00:28,367 INFO L226 Difference]: Without dead ends: 112 [2023-02-15 23:00:28,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:00:28,368 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 12 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:28,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 156 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-02-15 23:00:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2023-02-15 23:00:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 92 states have internal predecessors, (105), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-15 23:00:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 131 transitions. [2023-02-15 23:00:28,384 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 131 transitions. Word has length 38 [2023-02-15 23:00:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:28,384 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 131 transitions. [2023-02-15 23:00:28,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 23:00:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 131 transitions. [2023-02-15 23:00:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-02-15 23:00:28,387 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:28,388 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:28,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 23:00:28,388 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:28,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:28,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1431296022, now seen corresponding path program 1 times [2023-02-15 23:00:28,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:28,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727240258] [2023-02-15 23:00:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:28,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 23:00:28,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:28,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727240258] [2023-02-15 23:00:28,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727240258] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:28,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548667502] [2023-02-15 23:00:28,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:28,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:28,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:28,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:28,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 23:00:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:28,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 23:00:28,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-02-15 23:00:28,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:00:28,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548667502] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:28,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:00:28,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-02-15 23:00:28,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937863108] [2023-02-15 23:00:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:28,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 23:00:28,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:28,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 23:00:28,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-02-15 23:00:28,637 INFO L87 Difference]: Start difference. First operand 110 states and 131 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-15 23:00:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:28,732 INFO L93 Difference]: Finished difference Result 185 states and 225 transitions. [2023-02-15 23:00:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 23:00:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-02-15 23:00:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:28,734 INFO L225 Difference]: With dead ends: 185 [2023-02-15 23:00:28,734 INFO L226 Difference]: Without dead ends: 119 [2023-02-15 23:00:28,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-02-15 23:00:28,735 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 47 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:28,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 161 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-15 23:00:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-02-15 23:00:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 96 states have internal predecessors, (111), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2023-02-15 23:00:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2023-02-15 23:00:28,743 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 44 [2023-02-15 23:00:28,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:28,743 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2023-02-15 23:00:28,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-15 23:00:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2023-02-15 23:00:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-02-15 23:00:28,744 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:28,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:28,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:28,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:28,955 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:28,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:28,956 INFO L85 PathProgramCache]: Analyzing trace with hash -877145674, now seen corresponding path program 1 times [2023-02-15 23:00:28,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:28,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482980225] [2023-02-15 23:00:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:28,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 23:00:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482980225] [2023-02-15 23:00:29,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482980225] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:29,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108082822] [2023-02-15 23:00:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:29,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:29,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 23:00:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 23:00:29,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 23:00:29,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 23:00:29,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108082822] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:29,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:29,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2023-02-15 23:00:29,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578033860] [2023-02-15 23:00:29,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:29,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-15 23:00:29,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:29,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-15 23:00:29,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:00:29,277 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:29,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:29,445 INFO L93 Difference]: Finished difference Result 186 states and 227 transitions. [2023-02-15 23:00:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-15 23:00:29,445 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2023-02-15 23:00:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:29,446 INFO L225 Difference]: With dead ends: 186 [2023-02-15 23:00:29,446 INFO L226 Difference]: Without dead ends: 116 [2023-02-15 23:00:29,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 87 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2023-02-15 23:00:29,448 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:29,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 303 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-02-15 23:00:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-02-15 23:00:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 96 states have internal predecessors, (110), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2023-02-15 23:00:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 139 transitions. [2023-02-15 23:00:29,455 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 139 transitions. Word has length 45 [2023-02-15 23:00:29,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:29,455 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 139 transitions. [2023-02-15 23:00:29,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2023-02-15 23:00:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-02-15 23:00:29,456 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:29,456 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:29,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:29,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:29,661 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:29,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:29,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1063701326, now seen corresponding path program 1 times [2023-02-15 23:00:29,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:29,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544718040] [2023-02-15 23:00:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:29,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-15 23:00:29,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:29,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544718040] [2023-02-15 23:00:29,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544718040] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:29,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568482088] [2023-02-15 23:00:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:29,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:29,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:29,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:29,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 23:00:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:29,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 23:00:29,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-15 23:00:29,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-15 23:00:29,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568482088] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:29,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:29,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-02-15 23:00:29,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762319404] [2023-02-15 23:00:29,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:29,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-15 23:00:29,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:29,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-15 23:00:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-02-15 23:00:29,927 INFO L87 Difference]: Start difference. First operand 116 states and 139 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:30,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:30,207 INFO L93 Difference]: Finished difference Result 198 states and 261 transitions. [2023-02-15 23:00:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-15 23:00:30,207 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2023-02-15 23:00:30,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:30,209 INFO L225 Difference]: With dead ends: 198 [2023-02-15 23:00:30,209 INFO L226 Difference]: Without dead ends: 196 [2023-02-15 23:00:30,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2023-02-15 23:00:30,210 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 151 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:30,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 195 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-02-15 23:00:30,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 175. [2023-02-15 23:00:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.2142857142857142) internal successors, (170), 143 states have internal predecessors, (170), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2023-02-15 23:00:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2023-02-15 23:00:30,223 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 49 [2023-02-15 23:00:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:30,223 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2023-02-15 23:00:30,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-15 23:00:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2023-02-15 23:00:30,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-02-15 23:00:30,224 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:30,224 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:30,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:30,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-15 23:00:30,429 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:30,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:30,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1507341244, now seen corresponding path program 2 times [2023-02-15 23:00:30,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:30,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592830728] [2023-02-15 23:00:30,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:30,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:00:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-15 23:00:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-15 23:00:30,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:30,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592830728] [2023-02-15 23:00:30,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592830728] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:30,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941768481] [2023-02-15 23:00:30,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:30,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:30,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 23:00:30,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:30,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:30,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-15 23:00:30,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-15 23:00:30,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-15 23:00:30,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941768481] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:30,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:30,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-15 23:00:30,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386954304] [2023-02-15 23:00:30,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:30,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-15 23:00:30,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:30,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-15 23:00:30,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-15 23:00:30,808 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-15 23:00:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:31,024 INFO L93 Difference]: Finished difference Result 356 states and 452 transitions. [2023-02-15 23:00:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 23:00:31,025 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 55 [2023-02-15 23:00:31,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:31,027 INFO L225 Difference]: With dead ends: 356 [2023-02-15 23:00:31,027 INFO L226 Difference]: Without dead ends: 355 [2023-02-15 23:00:31,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-15 23:00:31,028 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 103 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:31,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 294 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-02-15 23:00:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 283. [2023-02-15 23:00:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 230 states have (on average 1.208695652173913) internal successors, (278), 233 states have internal predecessors, (278), 39 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (45), 43 states have call predecessors, (45), 39 states have call successors, (45) [2023-02-15 23:00:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 362 transitions. [2023-02-15 23:00:31,046 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 362 transitions. Word has length 55 [2023-02-15 23:00:31,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:31,046 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-02-15 23:00:31,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-15 23:00:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 362 transitions. [2023-02-15 23:00:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-15 23:00:31,047 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:31,048 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:31,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:31,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-15 23:00:31,252 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:31,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:31,253 INFO L85 PathProgramCache]: Analyzing trace with hash -752404403, now seen corresponding path program 2 times [2023-02-15 23:00:31,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:31,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968256903] [2023-02-15 23:00:31,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-15 23:00:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-15 23:00:31,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:31,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968256903] [2023-02-15 23:00:31,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968256903] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:31,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772031227] [2023-02-15 23:00:31,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:31,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:31,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:31,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:31,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 23:00:31,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:31,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:31,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-15 23:00:31,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-15 23:00:31,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-15 23:00:31,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772031227] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:31,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:31,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2023-02-15 23:00:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66425199] [2023-02-15 23:00:31,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:31,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-15 23:00:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:31,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-15 23:00:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2023-02-15 23:00:31,569 INFO L87 Difference]: Start difference. First operand 283 states and 362 transitions. Second operand has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-15 23:00:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:32,086 INFO L93 Difference]: Finished difference Result 436 states and 559 transitions. [2023-02-15 23:00:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-02-15 23:00:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 56 [2023-02-15 23:00:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:32,089 INFO L225 Difference]: With dead ends: 436 [2023-02-15 23:00:32,089 INFO L226 Difference]: Without dead ends: 434 [2023-02-15 23:00:32,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=614, Invalid=2142, Unknown=0, NotChecked=0, Total=2756 [2023-02-15 23:00:32,091 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 158 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:32,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 407 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-02-15 23:00:32,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 176. [2023-02-15 23:00:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 142 states have (on average 1.204225352112676) internal successors, (171), 144 states have internal predecessors, (171), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2023-02-15 23:00:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2023-02-15 23:00:32,121 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 56 [2023-02-15 23:00:32,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:32,122 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2023-02-15 23:00:32,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-15 23:00:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2023-02-15 23:00:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-02-15 23:00:32,123 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:32,123 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:32,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:32,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:32,328 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:32,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1756437604, now seen corresponding path program 1 times [2023-02-15 23:00:32,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:32,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331372221] [2023-02-15 23:00:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:32,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-02-15 23:00:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 23:00:32,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:32,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331372221] [2023-02-15 23:00:32,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331372221] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:32,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324059403] [2023-02-15 23:00:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:32,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:32,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:32,416 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:32,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 23:00:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:32,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 23:00:32,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-02-15 23:00:32,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-15 23:00:32,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324059403] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:32,595 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:32,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2023-02-15 23:00:32,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850773641] [2023-02-15 23:00:32,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:32,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-15 23:00:32,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-15 23:00:32,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-02-15 23:00:32,597 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-02-15 23:00:33,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:33,062 INFO L93 Difference]: Finished difference Result 363 states and 492 transitions. [2023-02-15 23:00:33,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-15 23:00:33,065 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 62 [2023-02-15 23:00:33,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:33,067 INFO L225 Difference]: With dead ends: 363 [2023-02-15 23:00:33,067 INFO L226 Difference]: Without dead ends: 278 [2023-02-15 23:00:33,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2023-02-15 23:00:33,069 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 196 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:33,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 210 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 23:00:33,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-02-15 23:00:33,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 237. [2023-02-15 23:00:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 190 states have (on average 1.2263157894736842) internal successors, (233), 194 states have internal predecessors, (233), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (36), 32 states have call predecessors, (36), 29 states have call successors, (36) [2023-02-15 23:00:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 298 transitions. [2023-02-15 23:00:33,090 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 298 transitions. Word has length 62 [2023-02-15 23:00:33,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:33,090 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 298 transitions. [2023-02-15 23:00:33,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-02-15 23:00:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 298 transitions. [2023-02-15 23:00:33,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-02-15 23:00:33,091 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:33,091 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:33,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:33,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-15 23:00:33,297 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:33,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:33,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1961639078, now seen corresponding path program 1 times [2023-02-15 23:00:33,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25492739] [2023-02-15 23:00:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:33,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-15 23:00:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-15 23:00:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-02-15 23:00:33,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:33,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25492739] [2023-02-15 23:00:33,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25492739] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:33,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:33,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:00:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948380534] [2023-02-15 23:00:33,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:33,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:33,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:33,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:33,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-15 23:00:33,398 INFO L87 Difference]: Start difference. First operand 237 states and 298 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:33,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:33,443 INFO L93 Difference]: Finished difference Result 362 states and 485 transitions. [2023-02-15 23:00:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:00:33,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2023-02-15 23:00:33,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:33,445 INFO L225 Difference]: With dead ends: 362 [2023-02-15 23:00:33,445 INFO L226 Difference]: Without dead ends: 224 [2023-02-15 23:00:33,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 23:00:33,446 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:33,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 96 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-02-15 23:00:33,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2023-02-15 23:00:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 177 states have (on average 1.1977401129943503) internal successors, (212), 186 states have internal predecessors, (212), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (34), 27 states have call predecessors, (34), 29 states have call successors, (34) [2023-02-15 23:00:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 275 transitions. [2023-02-15 23:00:33,460 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 275 transitions. Word has length 64 [2023-02-15 23:00:33,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:33,460 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 275 transitions. [2023-02-15 23:00:33,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 275 transitions. [2023-02-15 23:00:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-15 23:00:33,461 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:33,461 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:33,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-15 23:00:33,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash -676414306, now seen corresponding path program 2 times [2023-02-15 23:00:33,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:33,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987776612] [2023-02-15 23:00:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:33,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-15 23:00:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-15 23:00:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-02-15 23:00:33,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:33,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987776612] [2023-02-15 23:00:33,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987776612] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:33,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301895386] [2023-02-15 23:00:33,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:33,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:33,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:33,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 23:00:33,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:33,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:33,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:00:33,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-02-15 23:00:33,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:00:33,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301895386] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:33,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:00:33,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-02-15 23:00:33,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944971302] [2023-02-15 23:00:33,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:33,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:33,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:33,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:33,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-02-15 23:00:33,597 INFO L87 Difference]: Start difference. First operand 224 states and 275 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:33,644 INFO L93 Difference]: Finished difference Result 256 states and 326 transitions. [2023-02-15 23:00:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:00:33,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2023-02-15 23:00:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:33,646 INFO L225 Difference]: With dead ends: 256 [2023-02-15 23:00:33,646 INFO L226 Difference]: Without dead ends: 255 [2023-02-15 23:00:33,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-02-15 23:00:33,647 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:33,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:33,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-02-15 23:00:33,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2023-02-15 23:00:33,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 191 states have (on average 1.1832460732984293) internal successors, (226), 199 states have internal predecessors, (226), 29 states have call successors, (29), 10 states have call predecessors, (29), 17 states have return successors, (49), 32 states have call predecessors, (49), 29 states have call successors, (49) [2023-02-15 23:00:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 304 transitions. [2023-02-15 23:00:33,661 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 304 transitions. Word has length 65 [2023-02-15 23:00:33,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:33,661 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 304 transitions. [2023-02-15 23:00:33,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 304 transitions. [2023-02-15 23:00:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-02-15 23:00:33,662 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:33,663 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:33,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:33,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:33,868 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:33,868 INFO L85 PathProgramCache]: Analyzing trace with hash 505993054, now seen corresponding path program 1 times [2023-02-15 23:00:33,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:33,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249800691] [2023-02-15 23:00:33,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:33,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-15 23:00:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-15 23:00:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-02-15 23:00:33,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:33,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249800691] [2023-02-15 23:00:33,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249800691] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:33,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 23:00:33,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 23:00:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400156320] [2023-02-15 23:00:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:33,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 23:00:33,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 23:00:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-15 23:00:33,933 INFO L87 Difference]: Start difference. First operand 242 states and 304 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:33,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:33,981 INFO L93 Difference]: Finished difference Result 309 states and 410 transitions. [2023-02-15 23:00:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 23:00:33,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2023-02-15 23:00:33,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:33,983 INFO L225 Difference]: With dead ends: 309 [2023-02-15 23:00:33,983 INFO L226 Difference]: Without dead ends: 308 [2023-02-15 23:00:33,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-15 23:00:33,984 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:33,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 186 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-02-15 23:00:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 283. [2023-02-15 23:00:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 224 states have (on average 1.1696428571428572) internal successors, (262), 230 states have internal predecessors, (262), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (73), 42 states have call predecessors, (73), 34 states have call successors, (73) [2023-02-15 23:00:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2023-02-15 23:00:34,000 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 66 [2023-02-15 23:00:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:34,000 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2023-02-15 23:00:34,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 23:00:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2023-02-15 23:00:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-15 23:00:34,001 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:34,001 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:34,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-15 23:00:34,002 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 924442603, now seen corresponding path program 1 times [2023-02-15 23:00:34,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:34,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800695342] [2023-02-15 23:00:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:34,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-15 23:00:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-02-15 23:00:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-02-15 23:00:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-02-15 23:00:34,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:34,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800695342] [2023-02-15 23:00:34,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800695342] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:34,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542553782] [2023-02-15 23:00:34,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:34,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:34,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:34,081 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:34,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-15 23:00:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 23:00:34,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-02-15 23:00:34,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:00:34,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542553782] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:34,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:00:34,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-02-15 23:00:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846271234] [2023-02-15 23:00:34,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:34,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 23:00:34,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:34,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 23:00:34,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-02-15 23:00:34,177 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-15 23:00:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:34,314 INFO L93 Difference]: Finished difference Result 564 states and 799 transitions. [2023-02-15 23:00:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 23:00:34,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 101 [2023-02-15 23:00:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:34,317 INFO L225 Difference]: With dead ends: 564 [2023-02-15 23:00:34,317 INFO L226 Difference]: Without dead ends: 377 [2023-02-15 23:00:34,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-02-15 23:00:34,319 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 44 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:34,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 117 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-02-15 23:00:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2023-02-15 23:00:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 298 states have (on average 1.174496644295302) internal successors, (350), 297 states have internal predecessors, (350), 44 states have call successors, (44), 10 states have call predecessors, (44), 27 states have return successors, (140), 66 states have call predecessors, (140), 44 states have call successors, (140) [2023-02-15 23:00:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 534 transitions. [2023-02-15 23:00:34,340 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 534 transitions. Word has length 101 [2023-02-15 23:00:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:34,340 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 534 transitions. [2023-02-15 23:00:34,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-15 23:00:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 534 transitions. [2023-02-15 23:00:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-15 23:00:34,342 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:34,342 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:34,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:34,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-02-15 23:00:34,546 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:34,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1168908398, now seen corresponding path program 1 times [2023-02-15 23:00:34,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:34,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774004424] [2023-02-15 23:00:34,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-15 23:00:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-02-15 23:00:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-02-15 23:00:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 36 proven. 72 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-02-15 23:00:34,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:34,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774004424] [2023-02-15 23:00:34,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774004424] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:34,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202493695] [2023-02-15 23:00:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:34,673 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:34,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-15 23:00:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:34,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:00:34,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-02-15 23:00:34,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:00:34,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202493695] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:34,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:00:34,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-02-15 23:00:34,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542845845] [2023-02-15 23:00:34,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:34,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:34,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:34,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:34,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-02-15 23:00:34,766 INFO L87 Difference]: Start difference. First operand 374 states and 534 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-15 23:00:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:34,843 INFO L93 Difference]: Finished difference Result 555 states and 830 transitions. [2023-02-15 23:00:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:00:34,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 101 [2023-02-15 23:00:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:34,845 INFO L225 Difference]: With dead ends: 555 [2023-02-15 23:00:34,845 INFO L226 Difference]: Without dead ends: 282 [2023-02-15 23:00:34,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-02-15 23:00:34,848 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:34,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 93 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:34,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-02-15 23:00:34,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-02-15 23:00:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 224 states have (on average 1.1473214285714286) internal successors, (257), 229 states have internal predecessors, (257), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (65), 42 states have call predecessors, (65), 34 states have call successors, (65) [2023-02-15 23:00:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 356 transitions. [2023-02-15 23:00:34,882 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 356 transitions. Word has length 101 [2023-02-15 23:00:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:34,882 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 356 transitions. [2023-02-15 23:00:34,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-15 23:00:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 356 transitions. [2023-02-15 23:00:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-02-15 23:00:34,883 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:34,883 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:34,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:35,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-02-15 23:00:35,089 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1778803619, now seen corresponding path program 2 times [2023-02-15 23:00:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:35,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630547976] [2023-02-15 23:00:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-15 23:00:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-15 23:00:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-02-15 23:00:35,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:35,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630547976] [2023-02-15 23:00:35,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630547976] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:35,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159026474] [2023-02-15 23:00:35,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:35,214 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:35,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-15 23:00:35,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:35,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:35,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:00:35,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-02-15 23:00:35,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-02-15 23:00:35,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159026474] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:35,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:35,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 16 [2023-02-15 23:00:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936075843] [2023-02-15 23:00:35,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:35,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 23:00:35,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:35,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 23:00:35,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-02-15 23:00:35,377 INFO L87 Difference]: Start difference. First operand 282 states and 356 transitions. Second operand has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2023-02-15 23:00:35,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:35,784 INFO L93 Difference]: Finished difference Result 577 states and 746 transitions. [2023-02-15 23:00:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-15 23:00:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) Word has length 85 [2023-02-15 23:00:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:35,786 INFO L225 Difference]: With dead ends: 577 [2023-02-15 23:00:35,787 INFO L226 Difference]: Without dead ends: 388 [2023-02-15 23:00:35,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2023-02-15 23:00:35,788 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 84 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:35,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 208 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-02-15 23:00:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 331. [2023-02-15 23:00:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 265 states have (on average 1.1320754716981132) internal successors, (300), 267 states have internal predecessors, (300), 41 states have call successors, (41), 16 states have call predecessors, (41), 21 states have return successors, (72), 47 states have call predecessors, (72), 41 states have call successors, (72) [2023-02-15 23:00:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 413 transitions. [2023-02-15 23:00:35,828 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 413 transitions. Word has length 85 [2023-02-15 23:00:35,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:35,829 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 413 transitions. [2023-02-15 23:00:35,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2023-02-15 23:00:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 413 transitions. [2023-02-15 23:00:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-02-15 23:00:35,832 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:35,832 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:35,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:36,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-02-15 23:00:36,037 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:36,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:36,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1176948905, now seen corresponding path program 1 times [2023-02-15 23:00:36,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:36,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86376034] [2023-02-15 23:00:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-15 23:00:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-15 23:00:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-02-15 23:00:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-02-15 23:00:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-02-15 23:00:36,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:36,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86376034] [2023-02-15 23:00:36,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86376034] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:36,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077175428] [2023-02-15 23:00:36,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:36,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:36,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:36,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:36,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-15 23:00:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:36,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-15 23:00:36,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 152 proven. 37 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-02-15 23:00:36,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-02-15 23:00:36,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077175428] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:36,557 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:36,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2023-02-15 23:00:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719073679] [2023-02-15 23:00:36,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:36,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-15 23:00:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:36,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-15 23:00:36,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2023-02-15 23:00:36,559 INFO L87 Difference]: Start difference. First operand 331 states and 413 transitions. Second operand has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-15 23:00:36,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:36,791 INFO L93 Difference]: Finished difference Result 584 states and 736 transitions. [2023-02-15 23:00:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-15 23:00:36,791 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 117 [2023-02-15 23:00:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:36,793 INFO L225 Difference]: With dead ends: 584 [2023-02-15 23:00:36,793 INFO L226 Difference]: Without dead ends: 351 [2023-02-15 23:00:36,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 238 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2023-02-15 23:00:36,795 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:36,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 457 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-02-15 23:00:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 341. [2023-02-15 23:00:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 275 states have (on average 1.1236363636363635) internal successors, (309), 275 states have internal predecessors, (309), 41 states have call successors, (41), 16 states have call predecessors, (41), 21 states have return successors, (72), 49 states have call predecessors, (72), 41 states have call successors, (72) [2023-02-15 23:00:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 422 transitions. [2023-02-15 23:00:36,813 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 422 transitions. Word has length 117 [2023-02-15 23:00:36,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:36,814 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 422 transitions. [2023-02-15 23:00:36,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-15 23:00:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 422 transitions. [2023-02-15 23:00:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-15 23:00:36,815 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:36,815 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:36,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:37,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-02-15 23:00:37,020 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1993379434, now seen corresponding path program 3 times [2023-02-15 23:00:37,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:37,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420530247] [2023-02-15 23:00:37,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:37,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:00:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-15 23:00:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:00:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-15 23:00:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-15 23:00:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-15 23:00:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-15 23:00:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-15 23:00:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-15 23:00:37,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:37,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420530247] [2023-02-15 23:00:37,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420530247] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:37,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915022169] [2023-02-15 23:00:37,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:00:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:37,405 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:37,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-15 23:00:37,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-15 23:00:37,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:37,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-15 23:00:37,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-15 23:00:37,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-15 23:00:38,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915022169] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:38,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:38,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-15 23:00:38,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207714486] [2023-02-15 23:00:38,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:38,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-15 23:00:38,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:38,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-15 23:00:38,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-15 23:00:38,086 INFO L87 Difference]: Start difference. First operand 341 states and 422 transitions. Second operand has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-02-15 23:00:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:38,760 INFO L93 Difference]: Finished difference Result 804 states and 1018 transitions. [2023-02-15 23:00:38,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-15 23:00:38,761 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 115 [2023-02-15 23:00:38,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:38,764 INFO L225 Difference]: With dead ends: 804 [2023-02-15 23:00:38,764 INFO L226 Difference]: Without dead ends: 803 [2023-02-15 23:00:38,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-15 23:00:38,767 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 260 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:38,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 503 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2023-02-15 23:00:38,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 413. [2023-02-15 23:00:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 335 states have (on average 1.137313432835821) internal successors, (381), 335 states have internal predecessors, (381), 53 states have call successors, (53), 16 states have call predecessors, (53), 21 states have return successors, (84), 61 states have call predecessors, (84), 53 states have call successors, (84) [2023-02-15 23:00:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 518 transitions. [2023-02-15 23:00:38,796 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 518 transitions. Word has length 115 [2023-02-15 23:00:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:38,796 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 518 transitions. [2023-02-15 23:00:38,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-02-15 23:00:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 518 transitions. [2023-02-15 23:00:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-02-15 23:00:38,798 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:38,798 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:38,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:39,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:39,003 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:39,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:39,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2101172134, now seen corresponding path program 2 times [2023-02-15 23:00:39,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:39,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14024720] [2023-02-15 23:00:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-02-15 23:00:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-02-15 23:00:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-02-15 23:00:39,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:39,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14024720] [2023-02-15 23:00:39,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14024720] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:39,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485866231] [2023-02-15 23:00:39,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:39,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:39,194 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:39,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-15 23:00:39,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:39,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:39,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-15 23:00:39,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 178 proven. 46 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-02-15 23:00:39,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-02-15 23:00:39,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485866231] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:39,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:39,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2023-02-15 23:00:39,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941377789] [2023-02-15 23:00:39,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:39,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-15 23:00:39,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:39,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-15 23:00:39,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-02-15 23:00:39,588 INFO L87 Difference]: Start difference. First operand 413 states and 518 transitions. Second operand has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-02-15 23:00:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:39,928 INFO L93 Difference]: Finished difference Result 595 states and 754 transitions. [2023-02-15 23:00:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-15 23:00:39,928 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 127 [2023-02-15 23:00:39,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:39,931 INFO L225 Difference]: With dead ends: 595 [2023-02-15 23:00:39,931 INFO L226 Difference]: Without dead ends: 395 [2023-02-15 23:00:39,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 260 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=730, Unknown=0, NotChecked=0, Total=930 [2023-02-15 23:00:39,934 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 77 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:39,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 418 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:39,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-02-15 23:00:39,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 390. [2023-02-15 23:00:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 316 states have (on average 1.1360759493670887) internal successors, (359), 318 states have internal predecessors, (359), 49 states have call successors, (49), 16 states have call predecessors, (49), 21 states have return successors, (75), 55 states have call predecessors, (75), 49 states have call successors, (75) [2023-02-15 23:00:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 483 transitions. [2023-02-15 23:00:39,960 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 483 transitions. Word has length 127 [2023-02-15 23:00:39,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:39,960 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 483 transitions. [2023-02-15 23:00:39,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-02-15 23:00:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 483 transitions. [2023-02-15 23:00:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-02-15 23:00:39,962 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:39,962 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:39,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:40,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-02-15 23:00:40,167 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:40,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:40,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1050490384, now seen corresponding path program 1 times [2023-02-15 23:00:40,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:40,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257305995] [2023-02-15 23:00:40,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:40,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-02-15 23:00:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-02-15 23:00:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-02-15 23:00:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-02-15 23:00:40,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:40,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257305995] [2023-02-15 23:00:40,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257305995] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:40,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851976582] [2023-02-15 23:00:40,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:40,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:40,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:40,327 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:40,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-15 23:00:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:40,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-15 23:00:40,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 269 proven. 57 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-02-15 23:00:40,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-02-15 23:00:40,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851976582] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:40,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:40,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2023-02-15 23:00:40,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875905463] [2023-02-15 23:00:40,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:40,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-15 23:00:40,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:40,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-15 23:00:40,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-02-15 23:00:40,623 INFO L87 Difference]: Start difference. First operand 390 states and 483 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-02-15 23:00:40,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:40,898 INFO L93 Difference]: Finished difference Result 597 states and 737 transitions. [2023-02-15 23:00:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-15 23:00:40,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 147 [2023-02-15 23:00:40,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:40,901 INFO L225 Difference]: With dead ends: 597 [2023-02-15 23:00:40,902 INFO L226 Difference]: Without dead ends: 383 [2023-02-15 23:00:40,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 311 SyntacticMatches, 8 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2023-02-15 23:00:40,903 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 82 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:40,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 285 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-02-15 23:00:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2023-02-15 23:00:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 292 states have (on average 1.1232876712328768) internal successors, (328), 296 states have internal predecessors, (328), 45 states have call successors, (45), 16 states have call predecessors, (45), 19 states have return successors, (57), 47 states have call predecessors, (57), 45 states have call successors, (57) [2023-02-15 23:00:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2023-02-15 23:00:40,923 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 147 [2023-02-15 23:00:40,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:40,923 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2023-02-15 23:00:40,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-02-15 23:00:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2023-02-15 23:00:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-02-15 23:00:40,926 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:40,927 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 9, 9, 9, 8, 8, 8, 8, 8, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:40,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:41,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-02-15 23:00:41,132 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:41,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash -431856080, now seen corresponding path program 1 times [2023-02-15 23:00:41,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:41,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741713395] [2023-02-15 23:00:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:41,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-02-15 23:00:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-02-15 23:00:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-15 23:00:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 205 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-02-15 23:00:41,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:41,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741713395] [2023-02-15 23:00:41,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741713395] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:41,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757219282] [2023-02-15 23:00:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:41,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:41,225 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:41,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-15 23:00:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:00:41,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 384 proven. 1 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-02-15 23:00:41,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 205 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-02-15 23:00:41,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757219282] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:41,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:41,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-02-15 23:00:41,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434418633] [2023-02-15 23:00:41,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:41,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 23:00:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:41,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 23:00:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 23:00:41,397 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-15 23:00:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:41,470 INFO L93 Difference]: Finished difference Result 516 states and 621 transitions. [2023-02-15 23:00:41,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:00:41,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 164 [2023-02-15 23:00:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:41,475 INFO L225 Difference]: With dead ends: 516 [2023-02-15 23:00:41,475 INFO L226 Difference]: Without dead ends: 364 [2023-02-15 23:00:41,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-02-15 23:00:41,476 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:41,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 104 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:41,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-02-15 23:00:41,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2023-02-15 23:00:41,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 292 states have (on average 1.11986301369863) internal successors, (327), 296 states have internal predecessors, (327), 45 states have call successors, (45), 16 states have call predecessors, (45), 19 states have return successors, (56), 47 states have call predecessors, (56), 45 states have call successors, (56) [2023-02-15 23:00:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 428 transitions. [2023-02-15 23:00:41,496 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 428 transitions. Word has length 164 [2023-02-15 23:00:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:41,496 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 428 transitions. [2023-02-15 23:00:41,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-15 23:00:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-02-15 23:00:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-02-15 23:00:41,499 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:41,499 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 10, 9, 9, 8, 8, 8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:41,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:41,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-02-15 23:00:41,704 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1304950545, now seen corresponding path program 2 times [2023-02-15 23:00:41,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:41,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892061100] [2023-02-15 23:00:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:00:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 61 proven. 159 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2023-02-15 23:00:41,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:41,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892061100] [2023-02-15 23:00:41,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892061100] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:41,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757443171] [2023-02-15 23:00:41,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:41,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:41,885 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:41,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-02-15 23:00:41,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:41,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:41,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-15 23:00:41,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 390 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-02-15 23:00:42,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 278 proven. 70 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-02-15 23:00:42,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757443171] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:42,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:42,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 27 [2023-02-15 23:00:42,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648427696] [2023-02-15 23:00:42,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:42,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-15 23:00:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:42,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-15 23:00:42,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-02-15 23:00:42,648 INFO L87 Difference]: Start difference. First operand 360 states and 428 transitions. Second operand has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2023-02-15 23:00:43,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:43,413 INFO L93 Difference]: Finished difference Result 654 states and 833 transitions. [2023-02-15 23:00:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-15 23:00:43,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) Word has length 184 [2023-02-15 23:00:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:43,419 INFO L225 Difference]: With dead ends: 654 [2023-02-15 23:00:43,419 INFO L226 Difference]: Without dead ends: 547 [2023-02-15 23:00:43,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 378 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=1977, Unknown=0, NotChecked=0, Total=2256 [2023-02-15 23:00:43,421 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 318 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:43,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 361 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-15 23:00:43,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-02-15 23:00:43,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 500. [2023-02-15 23:00:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 406 states have (on average 1.1206896551724137) internal successors, (455), 407 states have internal predecessors, (455), 62 states have call successors, (62), 21 states have call predecessors, (62), 28 states have return successors, (116), 71 states have call predecessors, (116), 62 states have call successors, (116) [2023-02-15 23:00:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 633 transitions. [2023-02-15 23:00:43,462 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 633 transitions. Word has length 184 [2023-02-15 23:00:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:43,462 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 633 transitions. [2023-02-15 23:00:43,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2023-02-15 23:00:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 633 transitions. [2023-02-15 23:00:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-02-15 23:00:43,465 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:43,466 INFO L195 NwaCegarLoop]: trace histogram [20, 18, 13, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:43,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:43,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-02-15 23:00:43,676 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:43,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash 123362224, now seen corresponding path program 3 times [2023-02-15 23:00:43,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:43,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833704587] [2023-02-15 23:00:43,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-02-15 23:00:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 226 proven. 14 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2023-02-15 23:00:43,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:43,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833704587] [2023-02-15 23:00:43,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833704587] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:43,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65818726] [2023-02-15 23:00:43,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:00:43,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:43,862 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:43,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-15 23:00:43,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-15 23:00:43,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:43,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 23:00:43,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 136 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-02-15 23:00:44,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 136 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-02-15 23:00:44,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65818726] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:44,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:44,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2023-02-15 23:00:44,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748767836] [2023-02-15 23:00:44,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:44,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-15 23:00:44,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:44,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-15 23:00:44,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-02-15 23:00:44,267 INFO L87 Difference]: Start difference. First operand 500 states and 633 transitions. Second operand has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-15 23:00:44,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:44,483 INFO L93 Difference]: Finished difference Result 706 states and 921 transitions. [2023-02-15 23:00:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-15 23:00:44,489 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 212 [2023-02-15 23:00:44,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:44,495 INFO L225 Difference]: With dead ends: 706 [2023-02-15 23:00:44,495 INFO L226 Difference]: Without dead ends: 705 [2023-02-15 23:00:44,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2023-02-15 23:00:44,501 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 139 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:44,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 211 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:44,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-02-15 23:00:44,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 642. [2023-02-15 23:00:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 515 states have (on average 1.1242718446601943) internal successors, (579), 516 states have internal predecessors, (579), 81 states have call successors, (81), 28 states have call predecessors, (81), 42 states have return successors, (162), 97 states have call predecessors, (162), 81 states have call successors, (162) [2023-02-15 23:00:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 822 transitions. [2023-02-15 23:00:44,545 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 822 transitions. Word has length 212 [2023-02-15 23:00:44,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:44,545 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 822 transitions. [2023-02-15 23:00:44,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-15 23:00:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 822 transitions. [2023-02-15 23:00:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-02-15 23:00:44,548 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:44,548 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:44,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:44,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:44,756 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:44,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash -326239683, now seen corresponding path program 4 times [2023-02-15 23:00:44,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:44,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761711266] [2023-02-15 23:00:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:44,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-02-15 23:00:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 262 proven. 106 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2023-02-15 23:00:45,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:45,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761711266] [2023-02-15 23:00:45,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761711266] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:45,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525502065] [2023-02-15 23:00:45,010 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:00:45,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:45,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:45,011 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:45,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-02-15 23:00:45,089 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:00:45,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:45,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 23:00:45,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 223 proven. 2 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2023-02-15 23:00:45,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 149 proven. 6 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-02-15 23:00:45,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525502065] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:45,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:45,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 18 [2023-02-15 23:00:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862137557] [2023-02-15 23:00:45,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:45,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-15 23:00:45,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:45,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-15 23:00:45,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-02-15 23:00:45,296 INFO L87 Difference]: Start difference. First operand 642 states and 822 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-02-15 23:00:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:45,844 INFO L93 Difference]: Finished difference Result 1137 states and 1523 transitions. [2023-02-15 23:00:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-15 23:00:45,845 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 217 [2023-02-15 23:00:45,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:45,851 INFO L225 Difference]: With dead ends: 1137 [2023-02-15 23:00:45,851 INFO L226 Difference]: Without dead ends: 706 [2023-02-15 23:00:45,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 465 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2023-02-15 23:00:45,858 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 113 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:45,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 398 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 23:00:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-02-15 23:00:45,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 647. [2023-02-15 23:00:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 522 states have (on average 1.103448275862069) internal successors, (576), 521 states have internal predecessors, (576), 82 states have call successors, (82), 29 states have call predecessors, (82), 39 states have return successors, (121), 96 states have call predecessors, (121), 82 states have call successors, (121) [2023-02-15 23:00:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 779 transitions. [2023-02-15 23:00:45,909 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 779 transitions. Word has length 217 [2023-02-15 23:00:45,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:45,910 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 779 transitions. [2023-02-15 23:00:45,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-02-15 23:00:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 779 transitions. [2023-02-15 23:00:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-02-15 23:00:45,912 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:45,912 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:45,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:46,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-02-15 23:00:46,118 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:46,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:46,119 INFO L85 PathProgramCache]: Analyzing trace with hash -487313181, now seen corresponding path program 5 times [2023-02-15 23:00:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:46,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134997896] [2023-02-15 23:00:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:46,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-02-15 23:00:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 208 proven. 165 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2023-02-15 23:00:46,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:46,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134997896] [2023-02-15 23:00:46,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134997896] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:46,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904185858] [2023-02-15 23:00:46,400 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 23:00:46,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:46,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:46,402 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:46,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-02-15 23:00:46,493 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-02-15 23:00:46,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:46,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 23:00:46,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2023-02-15 23:00:46,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2023-02-15 23:00:46,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904185858] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:46,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:46,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 26 [2023-02-15 23:00:46,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667654601] [2023-02-15 23:00:46,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:46,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-15 23:00:46,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-15 23:00:46,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2023-02-15 23:00:46,744 INFO L87 Difference]: Start difference. First operand 647 states and 779 transitions. Second operand has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-15 23:00:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:47,864 INFO L93 Difference]: Finished difference Result 1458 states and 1763 transitions. [2023-02-15 23:00:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-02-15 23:00:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 217 [2023-02-15 23:00:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:47,869 INFO L225 Difference]: With dead ends: 1458 [2023-02-15 23:00:47,869 INFO L226 Difference]: Without dead ends: 946 [2023-02-15 23:00:47,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=628, Invalid=4202, Unknown=0, NotChecked=0, Total=4830 [2023-02-15 23:00:47,874 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 465 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:47,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 482 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-15 23:00:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2023-02-15 23:00:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 918. [2023-02-15 23:00:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 740 states have (on average 1.1) internal successors, (814), 730 states have internal predecessors, (814), 115 states have call successors, (115), 43 states have call predecessors, (115), 59 states have return successors, (187), 144 states have call predecessors, (187), 115 states have call successors, (187) [2023-02-15 23:00:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1116 transitions. [2023-02-15 23:00:47,951 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1116 transitions. Word has length 217 [2023-02-15 23:00:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:47,951 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1116 transitions. [2023-02-15 23:00:47,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-15 23:00:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1116 transitions. [2023-02-15 23:00:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-02-15 23:00:47,953 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:47,953 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:47,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:48,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:48,159 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:48,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1300890934, now seen corresponding path program 1 times [2023-02-15 23:00:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:48,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008593791] [2023-02-15 23:00:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:00:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-15 23:00:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 326 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-15 23:00:48,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:48,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008593791] [2023-02-15 23:00:48,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008593791] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:48,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617123111] [2023-02-15 23:00:48,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:48,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:48,525 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:48,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-02-15 23:00:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:48,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-15 23:00:48,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 416 proven. 36 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-15 23:00:48,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 326 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-15 23:00:49,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617123111] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:49,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:49,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 30 [2023-02-15 23:00:49,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240522940] [2023-02-15 23:00:49,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:49,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-15 23:00:49,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-15 23:00:49,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2023-02-15 23:00:49,277 INFO L87 Difference]: Start difference. First operand 918 states and 1116 transitions. Second operand has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2023-02-15 23:00:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:50,039 INFO L93 Difference]: Finished difference Result 1690 states and 2186 transitions. [2023-02-15 23:00:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-15 23:00:50,039 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) Word has length 234 [2023-02-15 23:00:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:50,045 INFO L225 Difference]: With dead ends: 1690 [2023-02-15 23:00:50,045 INFO L226 Difference]: Without dead ends: 1045 [2023-02-15 23:00:50,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 487 SyntacticMatches, 14 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=302, Invalid=1860, Unknown=0, NotChecked=0, Total=2162 [2023-02-15 23:00:50,049 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:50,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 497 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-15 23:00:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2023-02-15 23:00:50,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 921. [2023-02-15 23:00:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 743 states have (on average 1.0995962314939434) internal successors, (817), 732 states have internal predecessors, (817), 115 states have call successors, (115), 43 states have call predecessors, (115), 59 states have return successors, (180), 145 states have call predecessors, (180), 115 states have call successors, (180) [2023-02-15 23:00:50,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1112 transitions. [2023-02-15 23:00:50,109 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1112 transitions. Word has length 234 [2023-02-15 23:00:50,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:50,109 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1112 transitions. [2023-02-15 23:00:50,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2023-02-15 23:00:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1112 transitions. [2023-02-15 23:00:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-02-15 23:00:50,111 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:50,111 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:50,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:50,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:50,317 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:50,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash 692914374, now seen corresponding path program 4 times [2023-02-15 23:00:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:50,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255667151] [2023-02-15 23:00:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:00:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-15 23:00:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:00:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-15 23:00:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-15 23:00:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-15 23:00:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-15 23:00:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-15 23:00:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-15 23:00:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-15 23:00:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-15 23:00:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-15 23:00:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-15 23:00:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-15 23:00:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:00:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-15 23:00:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-15 23:00:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-15 23:00:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-15 23:00:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-15 23:00:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-15 23:00:51,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:51,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255667151] [2023-02-15 23:00:51,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255667151] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:51,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022900283] [2023-02-15 23:00:51,495 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:00:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:51,496 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:51,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-02-15 23:00:51,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:00:51,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:51,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-15 23:00:51,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-15 23:00:51,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-15 23:00:53,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022900283] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:53,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:53,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-15 23:00:53,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665329671] [2023-02-15 23:00:53,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:53,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-15 23:00:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:53,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-15 23:00:53,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-15 23:00:53,452 INFO L87 Difference]: Start difference. First operand 921 states and 1112 transitions. Second operand has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-02-15 23:00:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:55,205 INFO L93 Difference]: Finished difference Result 2369 states and 2890 transitions. [2023-02-15 23:00:55,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-15 23:00:55,206 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 235 [2023-02-15 23:00:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:55,214 INFO L225 Difference]: With dead ends: 2369 [2023-02-15 23:00:55,214 INFO L226 Difference]: Without dead ends: 2368 [2023-02-15 23:00:55,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-15 23:00:55,219 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 702 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:55,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 832 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 23:00:55,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2023-02-15 23:00:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 1065. [2023-02-15 23:00:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 863 states have (on average 1.1135573580533025) internal successors, (961), 852 states have internal predecessors, (961), 139 states have call successors, (139), 43 states have call predecessors, (139), 59 states have return successors, (204), 169 states have call predecessors, (204), 139 states have call successors, (204) [2023-02-15 23:00:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1304 transitions. [2023-02-15 23:00:55,294 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1304 transitions. Word has length 235 [2023-02-15 23:00:55,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:55,294 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1304 transitions. [2023-02-15 23:00:55,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-02-15 23:00:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1304 transitions. [2023-02-15 23:00:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-02-15 23:00:55,297 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:55,297 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 16, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:55,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:55,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:55,502 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:55,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2074477219, now seen corresponding path program 2 times [2023-02-15 23:00:55,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:55,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243285933] [2023-02-15 23:00:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:00:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-15 23:00:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2023-02-15 23:00:55,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:55,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243285933] [2023-02-15 23:00:55,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243285933] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:55,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086514068] [2023-02-15 23:00:55,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:00:55,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:55,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:55,746 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:55,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-02-15 23:00:55,844 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:00:55,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:55,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-15 23:00:55,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2023-02-15 23:00:55,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 312 proven. 12 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2023-02-15 23:00:56,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086514068] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:56,243 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:56,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2023-02-15 23:00:56,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185630457] [2023-02-15 23:00:56,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:56,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-15 23:00:56,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:56,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-15 23:00:56,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-02-15 23:00:56,245 INFO L87 Difference]: Start difference. First operand 1065 states and 1304 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2023-02-15 23:00:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:56,401 INFO L93 Difference]: Finished difference Result 1480 states and 1994 transitions. [2023-02-15 23:00:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-15 23:00:56,401 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) Word has length 255 [2023-02-15 23:00:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:56,408 INFO L225 Difference]: With dead ends: 1480 [2023-02-15 23:00:56,408 INFO L226 Difference]: Without dead ends: 1473 [2023-02-15 23:00:56,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 547 SyntacticMatches, 10 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-02-15 23:00:56,409 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 18 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:56,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 261 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 23:00:56,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2023-02-15 23:00:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1253. [2023-02-15 23:00:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1020 states have (on average 1.119607843137255) internal successors, (1142), 988 states have internal predecessors, (1142), 152 states have call successors, (152), 43 states have call predecessors, (152), 77 states have return successors, (343), 221 states have call predecessors, (343), 152 states have call successors, (343) [2023-02-15 23:00:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1637 transitions. [2023-02-15 23:00:56,480 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1637 transitions. Word has length 255 [2023-02-15 23:00:56,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:56,481 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1637 transitions. [2023-02-15 23:00:56,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2023-02-15 23:00:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1637 transitions. [2023-02-15 23:00:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-02-15 23:00:56,483 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:56,483 INFO L195 NwaCegarLoop]: trace histogram [25, 23, 17, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:00:56,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:56,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:56,689 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2017853819, now seen corresponding path program 3 times [2023-02-15 23:00:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:56,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28879171] [2023-02-15 23:00:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:56,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:00:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-02-15 23:00:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-02-15 23:00:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 356 proven. 64 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2023-02-15 23:00:56,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:56,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28879171] [2023-02-15 23:00:56,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28879171] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:56,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022617672] [2023-02-15 23:00:56,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:00:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:56,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:56,972 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:56,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-02-15 23:00:57,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-02-15 23:00:57,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:57,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 23:00:57,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2023-02-15 23:00:57,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 23:00:57,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022617672] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 23:00:57,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 23:00:57,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 17 [2023-02-15 23:00:57,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922348028] [2023-02-15 23:00:57,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 23:00:57,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 23:00:57,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:57,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 23:00:57,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-02-15 23:00:57,082 INFO L87 Difference]: Start difference. First operand 1253 states and 1637 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-15 23:00:57,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:57,135 INFO L93 Difference]: Finished difference Result 1319 states and 1715 transitions. [2023-02-15 23:00:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 23:00:57,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 258 [2023-02-15 23:00:57,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:57,141 INFO L225 Difference]: With dead ends: 1319 [2023-02-15 23:00:57,141 INFO L226 Difference]: Without dead ends: 1318 [2023-02-15 23:00:57,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-02-15 23:00:57,146 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:57,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 112 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:00:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-02-15 23:00:57,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1239. [2023-02-15 23:00:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1006 states have (on average 1.121272365805169) internal successors, (1128), 981 states have internal predecessors, (1128), 152 states have call successors, (152), 43 states have call predecessors, (152), 77 states have return successors, (343), 214 states have call predecessors, (343), 152 states have call successors, (343) [2023-02-15 23:00:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1623 transitions. [2023-02-15 23:00:57,222 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1623 transitions. Word has length 258 [2023-02-15 23:00:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:57,223 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1623 transitions. [2023-02-15 23:00:57,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-15 23:00:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1623 transitions. [2023-02-15 23:00:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-02-15 23:00:57,226 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:57,226 INFO L195 NwaCegarLoop]: trace histogram [28, 26, 19, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 23:00:57,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:57,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-02-15 23:00:57,431 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2099787919, now seen corresponding path program 1 times [2023-02-15 23:00:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:57,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879498179] [2023-02-15 23:00:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:57,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:00:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-02-15 23:00:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-02-15 23:00:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-15 23:00:57,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:57,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879498179] [2023-02-15 23:00:57,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879498179] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:57,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646278032] [2023-02-15 23:00:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:57,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:57,707 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:57,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-02-15 23:00:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:57,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-15 23:00:57,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-15 23:00:57,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:00:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-15 23:00:58,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646278032] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:00:58,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:00:58,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 16 [2023-02-15 23:00:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991085353] [2023-02-15 23:00:58,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:00:58,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 23:00:58,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:00:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 23:00:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-02-15 23:00:58,107 INFO L87 Difference]: Start difference. First operand 1239 states and 1623 transitions. Second operand has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2023-02-15 23:00:58,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:00:58,465 INFO L93 Difference]: Finished difference Result 2336 states and 3298 transitions. [2023-02-15 23:00:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-15 23:00:58,466 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 290 [2023-02-15 23:00:58,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:00:58,473 INFO L225 Difference]: With dead ends: 2336 [2023-02-15 23:00:58,473 INFO L226 Difference]: Without dead ends: 1546 [2023-02-15 23:00:58,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 620 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-02-15 23:00:58,480 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 138 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:00:58,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 254 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:00:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2023-02-15 23:00:58,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1437. [2023-02-15 23:00:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1158 states have (on average 1.1070811744386875) internal successors, (1282), 1138 states have internal predecessors, (1282), 185 states have call successors, (185), 49 states have call predecessors, (185), 90 states have return successors, (367), 249 states have call predecessors, (367), 178 states have call successors, (367) [2023-02-15 23:00:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1834 transitions. [2023-02-15 23:00:58,558 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1834 transitions. Word has length 290 [2023-02-15 23:00:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:00:58,558 INFO L495 AbstractCegarLoop]: Abstraction has 1437 states and 1834 transitions. [2023-02-15 23:00:58,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2023-02-15 23:00:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1834 transitions. [2023-02-15 23:00:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-02-15 23:00:58,561 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:00:58,561 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 17, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:00:58,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-02-15 23:00:58,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-02-15 23:00:58,766 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:00:58,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:00:58,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1185222851, now seen corresponding path program 4 times [2023-02-15 23:00:58,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:00:58,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737286239] [2023-02-15 23:00:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:00:58,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:00:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:00:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:00:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:00:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:00:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:00:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:00:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:00:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:00:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:00:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-15 23:00:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:00:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:00:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:00:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-15 23:00:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:00:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 423 proven. 55 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2023-02-15 23:00:59,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:00:59,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737286239] [2023-02-15 23:00:59,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737286239] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:00:59,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986441777] [2023-02-15 23:00:59,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:00:59,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:00:59,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:00:59,042 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:00:59,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-02-15 23:00:59,148 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:00:59,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:00:59,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-15 23:00:59,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:00:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 489 proven. 263 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-02-15 23:00:59,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 481 proven. 272 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-02-15 23:01:00,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986441777] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:00,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:00,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 33 [2023-02-15 23:01:00,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403642115] [2023-02-15 23:01:00,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:00,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-02-15 23:01:00,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:00,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-02-15 23:01:00,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 23:01:00,135 INFO L87 Difference]: Start difference. First operand 1437 states and 1834 transitions. Second operand has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) [2023-02-15 23:01:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:01,914 INFO L93 Difference]: Finished difference Result 3977 states and 5800 transitions. [2023-02-15 23:01:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-02-15 23:01:01,915 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) Word has length 263 [2023-02-15 23:01:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:01,929 INFO L225 Difference]: With dead ends: 3977 [2023-02-15 23:01:01,930 INFO L226 Difference]: Without dead ends: 2982 [2023-02-15 23:01:01,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 561 SyntacticMatches, 10 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1008, Invalid=4394, Unknown=0, NotChecked=0, Total=5402 [2023-02-15 23:01:01,940 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1077 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:01,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 586 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [843 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-15 23:01:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2023-02-15 23:01:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2369. [2023-02-15 23:01:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1903 states have (on average 1.1192853389385182) internal successors, (2130), 1853 states have internal predecessors, (2130), 304 states have call successors, (304), 75 states have call predecessors, (304), 158 states have return successors, (897), 440 states have call predecessors, (897), 292 states have call successors, (897) [2023-02-15 23:01:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3331 transitions. [2023-02-15 23:01:02,139 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3331 transitions. Word has length 263 [2023-02-15 23:01:02,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:02,139 INFO L495 AbstractCegarLoop]: Abstraction has 2369 states and 3331 transitions. [2023-02-15 23:01:02,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) [2023-02-15 23:01:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3331 transitions. [2023-02-15 23:01:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-02-15 23:01:02,144 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:02,144 INFO L195 NwaCegarLoop]: trace histogram [33, 30, 23, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:02,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:02,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-02-15 23:01:02,350 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:02,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:02,350 INFO L85 PathProgramCache]: Analyzing trace with hash -395664352, now seen corresponding path program 2 times [2023-02-15 23:01:02,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:02,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287502654] [2023-02-15 23:01:02,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:02,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:01:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:01:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:01:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:01:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:01:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-15 23:01:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-02-15 23:01:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-02-15 23:01:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-02-15 23:01:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 699 proven. 277 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2023-02-15 23:01:02,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:02,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287502654] [2023-02-15 23:01:02,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287502654] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:02,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832728300] [2023-02-15 23:01:02,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:01:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:02,683 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:02,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-02-15 23:01:02,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:01:02,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:02,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-15 23:01:02,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 1651 proven. 3 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2023-02-15 23:01:02,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 596 proven. 243 refuted. 0 times theorem prover too weak. 2098 trivial. 0 not checked. [2023-02-15 23:01:03,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832728300] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:03,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:03,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 22 [2023-02-15 23:01:03,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767820349] [2023-02-15 23:01:03,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:03,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-15 23:01:03,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:03,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-15 23:01:03,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2023-02-15 23:01:03,188 INFO L87 Difference]: Start difference. First operand 2369 states and 3331 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) [2023-02-15 23:01:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:03,987 INFO L93 Difference]: Finished difference Result 4232 states and 6323 transitions. [2023-02-15 23:01:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-15 23:01:03,988 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) Word has length 334 [2023-02-15 23:01:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:03,997 INFO L225 Difference]: With dead ends: 4232 [2023-02-15 23:01:03,998 INFO L226 Difference]: Without dead ends: 2079 [2023-02-15 23:01:04,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 712 SyntacticMatches, 8 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=391, Invalid=2059, Unknown=0, NotChecked=0, Total=2450 [2023-02-15 23:01:04,014 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 123 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:04,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 305 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 23:01:04,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2023-02-15 23:01:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1870. [2023-02-15 23:01:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1508 states have (on average 1.1160477453580901) internal successors, (1683), 1473 states have internal predecessors, (1683), 236 states have call successors, (236), 75 states have call predecessors, (236), 122 states have return successors, (544), 321 states have call predecessors, (544), 231 states have call successors, (544) [2023-02-15 23:01:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2463 transitions. [2023-02-15 23:01:04,126 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2463 transitions. Word has length 334 [2023-02-15 23:01:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:04,127 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 2463 transitions. [2023-02-15 23:01:04,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) [2023-02-15 23:01:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2463 transitions. [2023-02-15 23:01:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-02-15 23:01:04,130 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:04,130 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 24, 15, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:04,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:04,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-02-15 23:01:04,336 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:04,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1763269518, now seen corresponding path program 3 times [2023-02-15 23:01:04,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:04,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758356870] [2023-02-15 23:01:04,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:01:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:01:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:01:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:01:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:01:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-15 23:01:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-02-15 23:01:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-02-15 23:01:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-02-15 23:01:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 624 proven. 298 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2023-02-15 23:01:04,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:04,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758356870] [2023-02-15 23:01:04,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758356870] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:04,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750405089] [2023-02-15 23:01:04,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:01:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:04,609 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:04,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-02-15 23:01:04,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-15 23:01:04,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:04,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-15 23:01:04,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 382 proven. 10 refuted. 0 times theorem prover too weak. 2699 trivial. 0 not checked. [2023-02-15 23:01:04,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 382 proven. 10 refuted. 0 times theorem prover too weak. 2699 trivial. 0 not checked. [2023-02-15 23:01:05,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750405089] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:05,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:05,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 21 [2023-02-15 23:01:05,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694618045] [2023-02-15 23:01:05,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:05,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-15 23:01:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-15 23:01:05,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-02-15 23:01:05,224 INFO L87 Difference]: Start difference. First operand 1870 states and 2463 transitions. Second operand has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-15 23:01:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:05,827 INFO L93 Difference]: Finished difference Result 2554 states and 3415 transitions. [2023-02-15 23:01:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-02-15 23:01:05,827 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) Word has length 340 [2023-02-15 23:01:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:05,837 INFO L225 Difference]: With dead ends: 2554 [2023-02-15 23:01:05,837 INFO L226 Difference]: Without dead ends: 2083 [2023-02-15 23:01:05,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 728 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=406, Invalid=2144, Unknown=0, NotChecked=0, Total=2550 [2023-02-15 23:01:05,841 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:05,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 277 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 23:01:05,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2023-02-15 23:01:05,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1831. [2023-02-15 23:01:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1477 states have (on average 1.0900473933649288) internal successors, (1610), 1449 states have internal predecessors, (1610), 228 states have call successors, (228), 75 states have call predecessors, (228), 122 states have return successors, (548), 306 states have call predecessors, (548), 228 states have call successors, (548) [2023-02-15 23:01:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2386 transitions. [2023-02-15 23:01:05,986 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2386 transitions. Word has length 340 [2023-02-15 23:01:05,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:05,986 INFO L495 AbstractCegarLoop]: Abstraction has 1831 states and 2386 transitions. [2023-02-15 23:01:05,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-15 23:01:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2386 transitions. [2023-02-15 23:01:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-02-15 23:01:05,991 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:05,992 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 28, 17, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:06,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:06,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-02-15 23:01:06,197 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1042379107, now seen corresponding path program 5 times [2023-02-15 23:01:06,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:06,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499827512] [2023-02-15 23:01:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:06,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:01:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:01:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:01:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:01:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:01:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-15 23:01:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-02-15 23:01:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-02-15 23:01:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-15 23:01:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-02-15 23:01:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-02-15 23:01:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 857 proven. 578 refuted. 0 times theorem prover too weak. 3086 trivial. 0 not checked. [2023-02-15 23:01:06,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:06,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499827512] [2023-02-15 23:01:06,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499827512] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:06,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947145172] [2023-02-15 23:01:06,833 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 23:01:06,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:06,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:06,834 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:06,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-02-15 23:01:06,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-02-15 23:01:06,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:06,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-15 23:01:06,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 2223 proven. 27 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-02-15 23:01:07,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 671 proven. 259 refuted. 0 times theorem prover too weak. 3591 trivial. 0 not checked. [2023-02-15 23:01:07,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947145172] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:07,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:07,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 33 [2023-02-15 23:01:07,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109706210] [2023-02-15 23:01:07,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:07,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-02-15 23:01:07,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:07,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-02-15 23:01:07,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 23:01:07,418 INFO L87 Difference]: Start difference. First operand 1831 states and 2386 transitions. Second operand has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2023-02-15 23:01:08,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:08,801 INFO L93 Difference]: Finished difference Result 3944 states and 5684 transitions. [2023-02-15 23:01:08,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-15 23:01:08,801 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 408 [2023-02-15 23:01:08,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:08,835 INFO L225 Difference]: With dead ends: 3944 [2023-02-15 23:01:08,835 INFO L226 Difference]: Without dead ends: 2555 [2023-02-15 23:01:08,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 869 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=477, Invalid=4079, Unknown=0, NotChecked=0, Total=4556 [2023-02-15 23:01:08,847 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 284 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:08,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 460 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-15 23:01:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2023-02-15 23:01:08,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2171. [2023-02-15 23:01:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1755 states have (on average 1.086039886039886) internal successors, (1906), 1725 states have internal predecessors, (1906), 269 states have call successors, (269), 94 states have call predecessors, (269), 143 states have return successors, (662), 351 states have call predecessors, (662), 265 states have call successors, (662) [2023-02-15 23:01:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2837 transitions. [2023-02-15 23:01:08,985 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2837 transitions. Word has length 408 [2023-02-15 23:01:08,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:08,986 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2837 transitions. [2023-02-15 23:01:08,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2023-02-15 23:01:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2837 transitions. [2023-02-15 23:01:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-02-15 23:01:08,990 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:08,990 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 27, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:08,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:09,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2023-02-15 23:01:09,196 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:09,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1050489492, now seen corresponding path program 6 times [2023-02-15 23:01:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:09,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581668471] [2023-02-15 23:01:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-02-15 23:01:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-02-15 23:01:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-02-15 23:01:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-02-15 23:01:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-02-15 23:01:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-02-15 23:01:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-02-15 23:01:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4325 backedges. 659 proven. 306 refuted. 0 times theorem prover too weak. 3360 trivial. 0 not checked. [2023-02-15 23:01:09,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:09,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581668471] [2023-02-15 23:01:09,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581668471] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:09,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280034388] [2023-02-15 23:01:09,621 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 23:01:09,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:09,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:09,622 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:09,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-02-15 23:01:09,739 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-02-15 23:01:09,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:09,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 23:01:09,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4325 backedges. 1885 proven. 2 refuted. 0 times theorem prover too weak. 2438 trivial. 0 not checked. [2023-02-15 23:01:09,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4325 backedges. 452 proven. 146 refuted. 0 times theorem prover too weak. 3727 trivial. 0 not checked. [2023-02-15 23:01:10,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280034388] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:10,059 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:10,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 7, 7] total 23 [2023-02-15 23:01:10,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446827514] [2023-02-15 23:01:10,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-15 23:01:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-15 23:01:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2023-02-15 23:01:10,061 INFO L87 Difference]: Start difference. First operand 2171 states and 2837 transitions. Second operand has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 22 states have internal predecessors, (117), 11 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 10 states have call predecessors, (19), 11 states have call successors, (19) [2023-02-15 23:01:10,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:10,814 INFO L93 Difference]: Finished difference Result 4004 states and 5268 transitions. [2023-02-15 23:01:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-02-15 23:01:10,814 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 22 states have internal predecessors, (117), 11 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 10 states have call predecessors, (19), 11 states have call successors, (19) Word has length 401 [2023-02-15 23:01:10,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:10,821 INFO L225 Difference]: With dead ends: 4004 [2023-02-15 23:01:10,821 INFO L226 Difference]: Without dead ends: 2235 [2023-02-15 23:01:10,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 867 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=1391, Unknown=0, NotChecked=0, Total=1640 [2023-02-15 23:01:10,826 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 92 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:10,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 509 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 23:01:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2023-02-15 23:01:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2213. [2023-02-15 23:01:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1799 states have (on average 1.084491384102279) internal successors, (1951), 1762 states have internal predecessors, (1951), 267 states have call successors, (267), 94 states have call predecessors, (267), 143 states have return successors, (648), 356 states have call predecessors, (648), 267 states have call successors, (648) [2023-02-15 23:01:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2866 transitions. [2023-02-15 23:01:10,986 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2866 transitions. Word has length 401 [2023-02-15 23:01:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:10,987 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 2866 transitions. [2023-02-15 23:01:10,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.086956521739131) internal successors, (117), 22 states have internal predecessors, (117), 11 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 10 states have call predecessors, (19), 11 states have call successors, (19) [2023-02-15 23:01:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2866 transitions. [2023-02-15 23:01:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2023-02-15 23:01:10,991 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:10,991 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 29, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:11,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:11,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:11,197 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2106644405, now seen corresponding path program 7 times [2023-02-15 23:01:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:11,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630805194] [2023-02-15 23:01:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-02-15 23:01:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-02-15 23:01:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2023-02-15 23:01:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 554 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2023-02-15 23:01:11,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:11,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630805194] [2023-02-15 23:01:11,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630805194] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:11,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116855494] [2023-02-15 23:01:11,592 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-15 23:01:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:11,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:11,594 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:11,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-02-15 23:01:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:11,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-15 23:01:11,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 1588 proven. 347 refuted. 0 times theorem prover too weak. 2947 trivial. 0 not checked. [2023-02-15 23:01:11,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 554 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2023-02-15 23:01:12,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116855494] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:12,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:12,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 20 [2023-02-15 23:01:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659244568] [2023-02-15 23:01:12,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:12,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-15 23:01:12,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:12,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-15 23:01:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-02-15 23:01:12,260 INFO L87 Difference]: Start difference. First operand 2213 states and 2866 transitions. Second operand has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-15 23:01:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:12,892 INFO L93 Difference]: Finished difference Result 2755 states and 3588 transitions. [2023-02-15 23:01:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-15 23:01:12,892 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 425 [2023-02-15 23:01:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:12,900 INFO L225 Difference]: With dead ends: 2755 [2023-02-15 23:01:12,901 INFO L226 Difference]: Without dead ends: 2383 [2023-02-15 23:01:12,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 912 SyntacticMatches, 12 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2023-02-15 23:01:12,908 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 261 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:12,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 362 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 23:01:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2023-02-15 23:01:13,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2226. [2023-02-15 23:01:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 1809 states have (on average 1.0845771144278606) internal successors, (1962), 1774 states have internal predecessors, (1962), 266 states have call successors, (266), 99 states have call predecessors, (266), 147 states have return successors, (633), 352 states have call predecessors, (633), 266 states have call successors, (633) [2023-02-15 23:01:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2861 transitions. [2023-02-15 23:01:13,075 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2861 transitions. Word has length 425 [2023-02-15 23:01:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:13,077 INFO L495 AbstractCegarLoop]: Abstraction has 2226 states and 2861 transitions. [2023-02-15 23:01:13,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-15 23:01:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2861 transitions. [2023-02-15 23:01:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-02-15 23:01:13,083 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:13,083 INFO L195 NwaCegarLoop]: trace histogram [43, 41, 32, 17, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 12, 12, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-15 23:01:13,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:13,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:13,289 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:13,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:13,289 INFO L85 PathProgramCache]: Analyzing trace with hash 485071755, now seen corresponding path program 8 times [2023-02-15 23:01:13,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:13,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016911394] [2023-02-15 23:01:13,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-15 23:01:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-15 23:01:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-15 23:01:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-15 23:01:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-15 23:01:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-15 23:01:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-02-15 23:01:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-02-15 23:01:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-02-15 23:01:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-02-15 23:01:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 547 proven. 230 refuted. 0 times theorem prover too weak. 4661 trivial. 0 not checked. [2023-02-15 23:01:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:13,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016911394] [2023-02-15 23:01:13,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016911394] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:13,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369358391] [2023-02-15 23:01:13,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 23:01:13,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:13,706 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:13,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-02-15 23:01:13,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 23:01:13,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:13,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-15 23:01:13,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 2780 proven. 143 refuted. 0 times theorem prover too weak. 2515 trivial. 0 not checked. [2023-02-15 23:01:14,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 547 proven. 230 refuted. 0 times theorem prover too weak. 4661 trivial. 0 not checked. [2023-02-15 23:01:14,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369358391] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:14,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:14,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2023-02-15 23:01:14,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571976610] [2023-02-15 23:01:14,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:14,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-02-15 23:01:14,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-02-15 23:01:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2023-02-15 23:01:14,548 INFO L87 Difference]: Start difference. First operand 2226 states and 2861 transitions. Second operand has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2023-02-15 23:01:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:15,079 INFO L93 Difference]: Finished difference Result 3680 states and 4806 transitions. [2023-02-15 23:01:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-15 23:01:15,080 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 452 [2023-02-15 23:01:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:15,086 INFO L225 Difference]: With dead ends: 3680 [2023-02-15 23:01:15,086 INFO L226 Difference]: Without dead ends: 2095 [2023-02-15 23:01:15,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 957 SyntacticMatches, 15 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=574, Invalid=2182, Unknown=0, NotChecked=0, Total=2756 [2023-02-15 23:01:15,091 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 68 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:15,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 442 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 23:01:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2023-02-15 23:01:15,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2072. [2023-02-15 23:01:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2072 states, 1674 states have (on average 1.086021505376344) internal successors, (1818), 1645 states have internal predecessors, (1818), 250 states have call successors, (250), 99 states have call predecessors, (250), 144 states have return successors, (601), 327 states have call predecessors, (601), 250 states have call successors, (601) [2023-02-15 23:01:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 2669 transitions. [2023-02-15 23:01:15,196 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 2669 transitions. Word has length 452 [2023-02-15 23:01:15,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:15,197 INFO L495 AbstractCegarLoop]: Abstraction has 2072 states and 2669 transitions. [2023-02-15 23:01:15,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2023-02-15 23:01:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2669 transitions. [2023-02-15 23:01:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2023-02-15 23:01:15,201 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:15,201 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2023-02-15 23:01:15,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:15,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2023-02-15 23:01:15,408 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:15,408 INFO L85 PathProgramCache]: Analyzing trace with hash -512290434, now seen corresponding path program 5 times [2023-02-15 23:01:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:15,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939159137] [2023-02-15 23:01:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-15 23:01:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-15 23:01:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-15 23:01:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-15 23:01:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-15 23:01:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-15 23:01:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-15 23:01:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-15 23:01:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-15 23:01:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-15 23:01:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-15 23:01:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-15 23:01:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-15 23:01:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-15 23:01:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-15 23:01:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-15 23:01:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-15 23:01:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-15 23:01:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-02-15 23:01:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-02-15 23:01:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-02-15 23:01:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-02-15 23:01:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-02-15 23:01:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-02-15 23:01:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-15 23:01:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-02-15 23:01:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-02-15 23:01:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-02-15 23:01:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-02-15 23:01:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-02-15 23:01:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-02-15 23:01:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-02-15 23:01:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-02-15 23:01:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-02-15 23:01:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-02-15 23:01:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-02-15 23:01:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-02-15 23:01:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-02-15 23:01:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-02-15 23:01:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-02-15 23:01:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-15 23:01:19,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939159137] [2023-02-15 23:01:19,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939159137] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867316312] [2023-02-15 23:01:19,367 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 23:01:19,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:19,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:19,377 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:19,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-02-15 23:01:19,577 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-15 23:01:19,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:19,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 95 conjunts are in the unsatisfiable core [2023-02-15 23:01:19,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-15 23:01:19,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-15 23:01:25,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867316312] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:25,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:25,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2023-02-15 23:01:25,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573025540] [2023-02-15 23:01:25,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:25,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-15 23:01:25,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:25,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-15 23:01:25,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2023-02-15 23:01:25,951 INFO L87 Difference]: Start difference. First operand 2072 states and 2669 transitions. Second operand has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-02-15 23:01:33,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:33,502 INFO L93 Difference]: Finished difference Result 5621 states and 7358 transitions. [2023-02-15 23:01:33,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-15 23:01:33,503 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 475 [2023-02-15 23:01:33,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:33,555 INFO L225 Difference]: With dead ends: 5621 [2023-02-15 23:01:33,556 INFO L226 Difference]: Without dead ends: 5620 [2023-02-15 23:01:33,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2023-02-15 23:01:33,563 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2436 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:33,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 1764 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-15 23:01:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5620 states. [2023-02-15 23:01:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5620 to 2360. [2023-02-15 23:01:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 1914 states have (on average 1.1003134796238245) internal successors, (2106), 1885 states have internal predecessors, (2106), 298 states have call successors, (298), 99 states have call predecessors, (298), 144 states have return successors, (649), 375 states have call predecessors, (649), 298 states have call successors, (649) [2023-02-15 23:01:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 3053 transitions. [2023-02-15 23:01:33,761 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 3053 transitions. Word has length 475 [2023-02-15 23:01:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:33,762 INFO L495 AbstractCegarLoop]: Abstraction has 2360 states and 3053 transitions. [2023-02-15 23:01:33,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-02-15 23:01:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3053 transitions. [2023-02-15 23:01:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2023-02-15 23:01:33,768 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:33,768 INFO L195 NwaCegarLoop]: trace histogram [53, 51, 38, 21, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 15, 15, 15, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:33,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-02-15 23:01:33,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:33,975 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:33,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1031034359, now seen corresponding path program 9 times [2023-02-15 23:01:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:33,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257712818] [2023-02-15 23:01:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:33,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2023-02-15 23:01:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-02-15 23:01:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-02-15 23:01:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2023-02-15 23:01:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8273 backedges. 909 proven. 502 refuted. 0 times theorem prover too weak. 6862 trivial. 0 not checked. [2023-02-15 23:01:34,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:34,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257712818] [2023-02-15 23:01:34,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257712818] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:34,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457358104] [2023-02-15 23:01:34,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 23:01:34,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:34,530 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:34,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-02-15 23:01:34,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-02-15 23:01:34,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:34,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-15 23:01:34,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8273 backedges. 1823 proven. 344 refuted. 0 times theorem prover too weak. 6106 trivial. 0 not checked. [2023-02-15 23:01:35,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8273 backedges. 1823 proven. 353 refuted. 0 times theorem prover too weak. 6097 trivial. 0 not checked. [2023-02-15 23:01:36,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457358104] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:36,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:36,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 24] total 49 [2023-02-15 23:01:36,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75619462] [2023-02-15 23:01:36,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:36,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-02-15 23:01:36,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:36,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-02-15 23:01:36,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2168, Unknown=0, NotChecked=0, Total=2352 [2023-02-15 23:01:36,140 INFO L87 Difference]: Start difference. First operand 2360 states and 3053 transitions. Second operand has 49 states, 49 states have (on average 4.673469387755102) internal successors, (229), 46 states have internal predecessors, (229), 27 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (35), 19 states have call predecessors, (35), 24 states have call successors, (35) [2023-02-15 23:01:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:39,501 INFO L93 Difference]: Finished difference Result 5076 states and 7542 transitions. [2023-02-15 23:01:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-02-15 23:01:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.673469387755102) internal successors, (229), 46 states have internal predecessors, (229), 27 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (35), 19 states have call predecessors, (35), 24 states have call successors, (35) Word has length 552 [2023-02-15 23:01:39,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:39,512 INFO L225 Difference]: With dead ends: 5076 [2023-02-15 23:01:39,513 INFO L226 Difference]: Without dead ends: 3314 [2023-02-15 23:01:39,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1317 GetRequests, 1170 SyntacticMatches, 9 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5701 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2105, Invalid=17355, Unknown=0, NotChecked=0, Total=19460 [2023-02-15 23:01:39,525 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 669 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 3340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:39,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 677 Invalid, 3340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-02-15 23:01:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2023-02-15 23:01:39,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 2944. [2023-02-15 23:01:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2379 states have (on average 1.0992013451029845) internal successors, (2615), 2341 states have internal predecessors, (2615), 355 states have call successors, (355), 118 states have call predecessors, (355), 206 states have return successors, (1140), 484 states have call predecessors, (1140), 354 states have call successors, (1140) [2023-02-15 23:01:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 4110 transitions. [2023-02-15 23:01:39,813 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 4110 transitions. Word has length 552 [2023-02-15 23:01:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:39,814 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 4110 transitions. [2023-02-15 23:01:39,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.673469387755102) internal successors, (229), 46 states have internal predecessors, (229), 27 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (35), 19 states have call predecessors, (35), 24 states have call successors, (35) [2023-02-15 23:01:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 4110 transitions. [2023-02-15 23:01:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-02-15 23:01:39,821 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:39,821 INFO L195 NwaCegarLoop]: trace histogram [55, 54, 40, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:39,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-02-15 23:01:40,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2023-02-15 23:01:40,027 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:40,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:40,028 INFO L85 PathProgramCache]: Analyzing trace with hash 82465350, now seen corresponding path program 10 times [2023-02-15 23:01:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:40,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420716275] [2023-02-15 23:01:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-15 23:01:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2023-02-15 23:01:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2023-02-15 23:01:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9022 backedges. 1682 proven. 124 refuted. 0 times theorem prover too weak. 7216 trivial. 0 not checked. [2023-02-15 23:01:40,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:40,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420716275] [2023-02-15 23:01:40,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420716275] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:40,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912459104] [2023-02-15 23:01:40,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:01:40,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:40,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:40,673 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:40,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-02-15 23:01:40,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:01:40,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:40,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-15 23:01:40,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9022 backedges. 2110 proven. 355 refuted. 0 times theorem prover too weak. 6557 trivial. 0 not checked. [2023-02-15 23:01:41,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9022 backedges. 2104 proven. 370 refuted. 0 times theorem prover too weak. 6548 trivial. 0 not checked. [2023-02-15 23:01:42,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912459104] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:42,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:42,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 21] total 45 [2023-02-15 23:01:42,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395359243] [2023-02-15 23:01:42,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:42,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-15 23:01:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:42,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-15 23:01:42,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1757, Unknown=0, NotChecked=0, Total=1980 [2023-02-15 23:01:42,211 INFO L87 Difference]: Start difference. First operand 2944 states and 4110 transitions. Second operand has 45 states, 45 states have (on average 4.555555555555555) internal successors, (205), 44 states have internal predecessors, (205), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) [2023-02-15 23:01:44,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:44,787 INFO L93 Difference]: Finished difference Result 5662 states and 9350 transitions. [2023-02-15 23:01:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-02-15 23:01:44,788 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.555555555555555) internal successors, (205), 44 states have internal predecessors, (205), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) Word has length 574 [2023-02-15 23:01:44,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:44,801 INFO L225 Difference]: With dead ends: 5662 [2023-02-15 23:01:44,801 INFO L226 Difference]: Without dead ends: 3573 [2023-02-15 23:01:44,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1339 GetRequests, 1227 SyntacticMatches, 9 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2774 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1852, Invalid=9068, Unknown=0, NotChecked=0, Total=10920 [2023-02-15 23:01:44,817 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 709 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 3665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:44,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 1043 Invalid, 3665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-02-15 23:01:44,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3573 states. [2023-02-15 23:01:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3573 to 3276. [2023-02-15 23:01:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 2630 states have (on average 1.0927756653992395) internal successors, (2874), 2625 states have internal predecessors, (2874), 416 states have call successors, (416), 164 states have call predecessors, (416), 226 states have return successors, (1084), 486 states have call predecessors, (1084), 415 states have call successors, (1084) [2023-02-15 23:01:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 4374 transitions. [2023-02-15 23:01:45,063 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 4374 transitions. Word has length 574 [2023-02-15 23:01:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:45,064 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 4374 transitions. [2023-02-15 23:01:45,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.555555555555555) internal successors, (205), 44 states have internal predecessors, (205), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) [2023-02-15 23:01:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 4374 transitions. [2023-02-15 23:01:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2023-02-15 23:01:45,070 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:45,070 INFO L195 NwaCegarLoop]: trace histogram [59, 56, 44, 25, 21, 21, 21, 21, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:45,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:45,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:45,277 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1768855745, now seen corresponding path program 11 times [2023-02-15 23:01:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:45,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799786397] [2023-02-15 23:01:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-15 23:01:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-02-15 23:01:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2023-02-15 23:01:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 681 proven. 667 refuted. 0 times theorem prover too weak. 8876 trivial. 0 not checked. [2023-02-15 23:01:45,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:45,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799786397] [2023-02-15 23:01:45,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799786397] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:45,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851032981] [2023-02-15 23:01:45,904 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 23:01:45,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:45,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:45,909 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:45,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-02-15 23:01:46,160 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2023-02-15 23:01:46,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:46,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-15 23:01:46,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 3029 proven. 582 refuted. 0 times theorem prover too weak. 6613 trivial. 0 not checked. [2023-02-15 23:01:46,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 860 proven. 713 refuted. 0 times theorem prover too weak. 8651 trivial. 0 not checked. [2023-02-15 23:01:47,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851032981] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:47,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:47,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 41 [2023-02-15 23:01:47,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571510577] [2023-02-15 23:01:47,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:47,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-02-15 23:01:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:47,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-02-15 23:01:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1497, Unknown=0, NotChecked=0, Total=1640 [2023-02-15 23:01:47,239 INFO L87 Difference]: Start difference. First operand 3276 states and 4374 transitions. Second operand has 41 states, 41 states have (on average 4.195121951219512) internal successors, (172), 33 states have internal predecessors, (172), 20 states have call successors, (27), 10 states have call predecessors, (27), 3 states have return successors, (19), 12 states have call predecessors, (19), 14 states have call successors, (19) [2023-02-15 23:01:51,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:51,988 INFO L93 Difference]: Finished difference Result 10924 states and 14943 transitions. [2023-02-15 23:01:51,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-02-15 23:01:51,989 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 4.195121951219512) internal successors, (172), 33 states have internal predecessors, (172), 20 states have call successors, (27), 10 states have call predecessors, (27), 3 states have return successors, (19), 12 states have call predecessors, (19), 14 states have call successors, (19) Word has length 609 [2023-02-15 23:01:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:52,027 INFO L225 Difference]: With dead ends: 10924 [2023-02-15 23:01:52,028 INFO L226 Difference]: Without dead ends: 8449 [2023-02-15 23:01:52,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1482 GetRequests, 1318 SyntacticMatches, 2 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8979 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2976, Invalid=23756, Unknown=0, NotChecked=0, Total=26732 [2023-02-15 23:01:52,050 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1116 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 4111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:52,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 897 Invalid, 4111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-02-15 23:01:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2023-02-15 23:01:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8096. [2023-02-15 23:01:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8096 states, 6478 states have (on average 1.0759493670886076) internal successors, (6970), 6479 states have internal predecessors, (6970), 988 states have call successors, (988), 480 states have call predecessors, (988), 626 states have return successors, (2448), 1136 states have call predecessors, (2448), 980 states have call successors, (2448) [2023-02-15 23:01:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8096 states to 8096 states and 10406 transitions. [2023-02-15 23:01:52,684 INFO L78 Accepts]: Start accepts. Automaton has 8096 states and 10406 transitions. Word has length 609 [2023-02-15 23:01:52,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:52,685 INFO L495 AbstractCegarLoop]: Abstraction has 8096 states and 10406 transitions. [2023-02-15 23:01:52,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.195121951219512) internal successors, (172), 33 states have internal predecessors, (172), 20 states have call successors, (27), 10 states have call predecessors, (27), 3 states have return successors, (19), 12 states have call predecessors, (19), 14 states have call successors, (19) [2023-02-15 23:01:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 8096 states and 10406 transitions. [2023-02-15 23:01:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2023-02-15 23:01:52,690 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:52,690 INFO L195 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:52,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-02-15 23:01:52,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-02-15 23:01:52,897 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1109197119, now seen corresponding path program 12 times [2023-02-15 23:01:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:52,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285626693] [2023-02-15 23:01:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-15 23:01:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2023-02-15 23:01:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2023-02-15 23:01:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1515 proven. 36 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2023-02-15 23:01:53,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:53,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285626693] [2023-02-15 23:01:53,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285626693] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:53,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246137773] [2023-02-15 23:01:53,565 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 23:01:53,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:53,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:53,569 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:53,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-02-15 23:01:53,792 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2023-02-15 23:01:53,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:53,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-15 23:01:53,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1515 proven. 36 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2023-02-15 23:01:53,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1572 proven. 36 refuted. 0 times theorem prover too weak. 8137 trivial. 0 not checked. [2023-02-15 23:01:54,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246137773] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:54,790 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:54,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 14 [2023-02-15 23:01:54,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389217938] [2023-02-15 23:01:54,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:54,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-15 23:01:54,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-15 23:01:54,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-02-15 23:01:54,792 INFO L87 Difference]: Start difference. First operand 8096 states and 10406 transitions. Second operand has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2023-02-15 23:01:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:55,343 INFO L93 Difference]: Finished difference Result 8846 states and 11629 transitions. [2023-02-15 23:01:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-15 23:01:55,344 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) Word has length 595 [2023-02-15 23:01:55,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:55,376 INFO L225 Difference]: With dead ends: 8846 [2023-02-15 23:01:55,377 INFO L226 Difference]: Without dead ends: 8568 [2023-02-15 23:01:55,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1295 SyntacticMatches, 15 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2023-02-15 23:01:55,384 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 14 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:55,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 258 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 23:01:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8568 states. [2023-02-15 23:01:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8568 to 7763. [2023-02-15 23:01:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7763 states, 6245 states have (on average 1.0728582866293035) internal successors, (6700), 6176 states have internal predecessors, (6700), 921 states have call successors, (921), 433 states have call predecessors, (921), 593 states have return successors, (2260), 1153 states have call predecessors, (2260), 889 states have call successors, (2260) [2023-02-15 23:01:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7763 states to 7763 states and 9881 transitions. [2023-02-15 23:01:55,993 INFO L78 Accepts]: Start accepts. Automaton has 7763 states and 9881 transitions. Word has length 595 [2023-02-15 23:01:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:55,994 INFO L495 AbstractCegarLoop]: Abstraction has 7763 states and 9881 transitions. [2023-02-15 23:01:55,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2023-02-15 23:01:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7763 states and 9881 transitions. [2023-02-15 23:01:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-02-15 23:01:56,000 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:56,000 INFO L195 NwaCegarLoop]: trace histogram [60, 58, 44, 25, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 16, 16, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:56,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2023-02-15 23:01:56,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2023-02-15 23:01:56,206 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1573770309, now seen corresponding path program 6 times [2023-02-15 23:01:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:56,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025524254] [2023-02-15 23:01:56,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-15 23:01:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2023-02-15 23:01:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-15 23:01:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:01:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2023-02-15 23:01:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 476 proven. 586 refuted. 0 times theorem prover too weak. 9596 trivial. 0 not checked. [2023-02-15 23:01:56,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:01:56,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025524254] [2023-02-15 23:01:56,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025524254] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:01:56,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930217432] [2023-02-15 23:01:56,711 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 23:01:56,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:01:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:01:56,712 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:01:56,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-02-15 23:01:56,812 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-02-15 23:01:56,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:01:56,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 23:01:56,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:01:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 480 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2023-02-15 23:01:57,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:01:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 480 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2023-02-15 23:01:57,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930217432] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:01:57,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:01:57,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 25 [2023-02-15 23:01:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586308942] [2023-02-15 23:01:57,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:01:57,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-15 23:01:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:01:57,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-15 23:01:57,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2023-02-15 23:01:57,449 INFO L87 Difference]: Start difference. First operand 7763 states and 9881 transitions. Second operand has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-02-15 23:01:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:01:58,324 INFO L93 Difference]: Finished difference Result 7999 states and 10197 transitions. [2023-02-15 23:01:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-15 23:01:58,325 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 622 [2023-02-15 23:01:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:01:58,356 INFO L225 Difference]: With dead ends: 7999 [2023-02-15 23:01:58,356 INFO L226 Difference]: Without dead ends: 7952 [2023-02-15 23:01:58,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1397 GetRequests, 1350 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1963, Unknown=0, NotChecked=0, Total=2352 [2023-02-15 23:01:58,365 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 274 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 23:01:58,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 319 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 23:01:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7952 states. [2023-02-15 23:01:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7952 to 7872. [2023-02-15 23:01:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7872 states, 6331 states have (on average 1.072658347812352) internal successors, (6791), 6258 states have internal predecessors, (6791), 934 states have call successors, (934), 435 states have call predecessors, (934), 604 states have return successors, (2295), 1178 states have call predecessors, (2295), 902 states have call successors, (2295) [2023-02-15 23:01:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7872 states to 7872 states and 10020 transitions. [2023-02-15 23:01:59,029 INFO L78 Accepts]: Start accepts. Automaton has 7872 states and 10020 transitions. Word has length 622 [2023-02-15 23:01:59,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:01:59,029 INFO L495 AbstractCegarLoop]: Abstraction has 7872 states and 10020 transitions. [2023-02-15 23:01:59,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-02-15 23:01:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 7872 states and 10020 transitions. [2023-02-15 23:01:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2023-02-15 23:01:59,037 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:01:59,038 INFO L195 NwaCegarLoop]: trace histogram [77, 74, 58, 34, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 25, 25, 24, 19, 16, 16, 15, 15, 15, 15, 15, 7, 7, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-15 23:01:59,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2023-02-15 23:01:59,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2023-02-15 23:01:59,243 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:01:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:01:59,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1790313187, now seen corresponding path program 4 times [2023-02-15 23:01:59,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:01:59,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805842600] [2023-02-15 23:01:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:01:59,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:01:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:01:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:01:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:01:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-15 23:01:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-15 23:01:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-15 23:01:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-15 23:01:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:01:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-15 23:01:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-15 23:01:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-15 23:01:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:01:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:01:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:01:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:01:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-15 23:01:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:01:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:01:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:02:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:02:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2023-02-15 23:02:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:02:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-15 23:02:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:02:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:02:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2023-02-15 23:02:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-02-15 23:02:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:02:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2023-02-15 23:02:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-15 23:02:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-15 23:02:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-15 23:02:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-15 23:02:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:02:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17637 backedges. 1201 proven. 521 refuted. 0 times theorem prover too weak. 15915 trivial. 0 not checked. [2023-02-15 23:02:00,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:02:00,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805842600] [2023-02-15 23:02:00,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805842600] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:02:00,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663516049] [2023-02-15 23:02:00,091 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 23:02:00,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:02:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:02:00,093 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:02:00,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-02-15 23:02:00,305 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 23:02:00,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:02:00,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 35 conjunts are in the unsatisfiable core [2023-02-15 23:02:00,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:02:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17637 backedges. 2727 proven. 1385 refuted. 0 times theorem prover too weak. 13525 trivial. 0 not checked. [2023-02-15 23:02:00,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:02:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17637 backedges. 2704 proven. 1418 refuted. 0 times theorem prover too weak. 13515 trivial. 0 not checked. [2023-02-15 23:02:02,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663516049] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:02:02,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:02:02,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 23] total 52 [2023-02-15 23:02:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140768297] [2023-02-15 23:02:02,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:02:02,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-02-15 23:02:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:02:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-02-15 23:02:02,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2467, Unknown=0, NotChecked=0, Total=2652 [2023-02-15 23:02:02,385 INFO L87 Difference]: Start difference. First operand 7872 states and 10020 transitions. Second operand has 52 states, 52 states have (on average 4.865384615384615) internal successors, (253), 47 states have internal predecessors, (253), 32 states have call successors, (44), 9 states have call predecessors, (44), 10 states have return successors, (38), 23 states have call predecessors, (38), 29 states have call successors, (38) [2023-02-15 23:02:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 23:02:13,272 INFO L93 Difference]: Finished difference Result 27622 states and 46931 transitions. [2023-02-15 23:02:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-02-15 23:02:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.865384615384615) internal successors, (253), 47 states have internal predecessors, (253), 32 states have call successors, (44), 9 states have call predecessors, (44), 10 states have return successors, (38), 23 states have call predecessors, (38), 29 states have call successors, (38) Word has length 785 [2023-02-15 23:02:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 23:02:13,361 INFO L225 Difference]: With dead ends: 27622 [2023-02-15 23:02:13,362 INFO L226 Difference]: Without dead ends: 20609 [2023-02-15 23:02:13,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1979 GetRequests, 1752 SyntacticMatches, 5 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16767 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=5778, Invalid=44174, Unknown=0, NotChecked=0, Total=49952 [2023-02-15 23:02:13,401 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 2233 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 9720 mSolverCounterSat, 3466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 13186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3466 IncrementalHoareTripleChecker+Valid, 9720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-02-15 23:02:13,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 2047 Invalid, 13186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3466 Valid, 9720 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-02-15 23:02:13,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20609 states. [2023-02-15 23:02:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20609 to 16982. [2023-02-15 23:02:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16982 states, 13773 states have (on average 1.0963479271037537) internal successors, (15100), 13227 states have internal predecessors, (15100), 1860 states have call successors, (1860), 614 states have call predecessors, (1860), 1346 states have return successors, (10517), 3140 states have call predecessors, (10517), 1826 states have call successors, (10517) [2023-02-15 23:02:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16982 states to 16982 states and 27477 transitions. [2023-02-15 23:02:15,011 INFO L78 Accepts]: Start accepts. Automaton has 16982 states and 27477 transitions. Word has length 785 [2023-02-15 23:02:15,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 23:02:15,012 INFO L495 AbstractCegarLoop]: Abstraction has 16982 states and 27477 transitions. [2023-02-15 23:02:15,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.865384615384615) internal successors, (253), 47 states have internal predecessors, (253), 32 states have call successors, (44), 9 states have call predecessors, (44), 10 states have return successors, (38), 23 states have call predecessors, (38), 29 states have call successors, (38) [2023-02-15 23:02:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 16982 states and 27477 transitions. [2023-02-15 23:02:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2023-02-15 23:02:15,023 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 23:02:15,023 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1] [2023-02-15 23:02:15,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-02-15 23:02:15,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2023-02-15 23:02:15,224 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-15 23:02:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 23:02:15,224 INFO L85 PathProgramCache]: Analyzing trace with hash 77558510, now seen corresponding path program 6 times [2023-02-15 23:02:15,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 23:02:15,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232482247] [2023-02-15 23:02:15,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 23:02:15,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 23:02:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-15 23:02:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-15 23:02:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-15 23:02:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-15 23:02:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-15 23:02:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-15 23:02:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-15 23:02:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-15 23:02:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-15 23:02:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-15 23:02:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-15 23:02:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-15 23:02:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-15 23:02:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-15 23:02:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-15 23:02:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-15 23:02:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-15 23:02:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-15 23:02:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-15 23:02:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-15 23:02:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-15 23:02:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-15 23:02:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-15 23:02:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-15 23:02:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-02-15 23:02:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-02-15 23:02:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-02-15 23:02:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-02-15 23:02:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-02-15 23:02:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-02-15 23:02:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-15 23:02:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-02-15 23:02:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-02-15 23:02:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-02-15 23:02:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-02-15 23:02:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-02-15 23:02:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-02-15 23:02:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-02-15 23:02:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-02-15 23:02:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-15 23:02:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-02-15 23:02:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-02-15 23:02:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-02-15 23:02:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-02-15 23:02:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-02-15 23:02:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-02-15 23:02:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-02-15 23:02:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-02-15 23:02:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2023-02-15 23:02:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2023-02-15 23:02:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2023-02-15 23:02:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2023-02-15 23:02:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-02-15 23:02:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2023-02-15 23:02:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2023-02-15 23:02:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2023-02-15 23:02:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2023-02-15 23:02:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2023-02-15 23:02:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-02-15 23:02:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-02-15 23:02:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2023-02-15 23:02:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2023-02-15 23:02:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2023-02-15 23:02:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2023-02-15 23:02:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2023-02-15 23:02:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2023-02-15 23:02:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2023-02-15 23:02:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2023-02-15 23:02:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2023-02-15 23:02:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2023-02-15 23:02:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2023-02-15 23:02:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2023-02-15 23:02:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2023-02-15 23:02:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2023-02-15 23:02:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2023-02-15 23:02:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2023-02-15 23:02:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2023-02-15 23:02:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2023-02-15 23:02:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2023-02-15 23:02:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2023-02-15 23:02:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2023-02-15 23:02:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2023-02-15 23:02:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-02-15 23:02:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2023-02-15 23:02:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-02-15 23:02:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-02-15 23:02:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2023-02-15 23:02:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-02-15 23:02:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2023-02-15 23:02:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-02-15 23:02:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2023-02-15 23:02:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-02-15 23:02:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2023-02-15 23:02:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-02-15 23:02:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-02-15 23:02:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 23:02:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-15 23:02:32,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 23:02:32,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232482247] [2023-02-15 23:02:32,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232482247] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 23:02:32,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938262519] [2023-02-15 23:02:32,178 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 23:02:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 23:02:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 23:02:32,179 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 23:02:32,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-02-15 23:02:32,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-15 23:02:32,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 23:02:32,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 191 conjunts are in the unsatisfiable core [2023-02-15 23:02:32,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 23:02:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-15 23:02:33,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 23:02:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-15 23:02:56,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938262519] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 23:02:56,687 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 23:02:56,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2023-02-15 23:02:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234356050] [2023-02-15 23:02:56,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 23:02:56,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2023-02-15 23:02:56,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 23:02:56,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2023-02-15 23:02:56,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2023-02-15 23:02:56,708 INFO L87 Difference]: Start difference. First operand 16982 states and 27477 transitions. Second operand has 382 states, 381 states have (on average 2.5170603674540684) internal successors, (959), 382 states have internal predecessors, (959), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190)