./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7e1ff0e6 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-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:13:55,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:13:55,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:13:55,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:13:55,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:13:55,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:13:55,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:13:55,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:13:55,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:13:55,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:13:55,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:13:55,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:13:55,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:13:55,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:13:55,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:13:55,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:13:55,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:13:55,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:13:55,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:13:55,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:13:55,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:13:55,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:13:55,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:13:55,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:13:55,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:13:55,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:13:55,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:13:55,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:13:55,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:13:55,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:13:55,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:13:55,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:13:55,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:13:55,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:13:55,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:13:55,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:13:55,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:13:55,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:13:55,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:13:55,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:13:55,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:13:55,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 02:13:55,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:13:55,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:13:55,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:13:55,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:13:55,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 02:13:55,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 02:13:55,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:13:55,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:13:55,570 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:13:55,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 02:13:55,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 02:13:55,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:13:55,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:13:55,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 02:13:55,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 02:13:55,574 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 02:13:55,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 02:13:55,574 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 02:13:55,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 [2023-02-15 02:13:55,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:13:55,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:13:55,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:13:55,794 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:13:55,794 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:13:55,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-15 02:13:56,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:13:56,836 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:13:56,836 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-15 02:13:56,843 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/977588700/4a264893bd3d4464a1808a87d0086783/FLAGc3f4cfa81 [2023-02-15 02:13:56,853 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/977588700/4a264893bd3d4464a1808a87d0086783 [2023-02-15 02:13:56,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:13:56,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:13:56,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:13:56,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:13:56,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:13:56,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:13:56" (1/1) ... [2023-02-15 02:13:56,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226f0f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:56, skipping insertion in model container [2023-02-15 02:13:56,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:13:56" (1/1) ... [2023-02-15 02:13:56,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:13:56,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:13:57,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:13:57,086 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:13:57,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:13:57,129 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:13:57,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57 WrapperNode [2023-02-15 02:13:57,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:13:57,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:13:57,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:13:57,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:13:57,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,160 INFO L138 Inliner]: procedures = 110, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 222 [2023-02-15 02:13:57,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:13:57,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:13:57,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:13:57,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:13:57,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:13:57,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:13:57,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:13:57,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:13:57,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (1/1) ... [2023-02-15 02:13:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 02:13:57,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:13:57,230 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 02:13:57,232 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 02:13:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 02:13:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 02:13:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 02:13:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 02:13:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:13:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:13:57,405 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:13:57,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:13:57,705 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:13:57,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:13:57,710 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:13:57,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:57 BoogieIcfgContainer [2023-02-15 02:13:57,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:13:57,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 02:13:57,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 02:13:57,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 02:13:57,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:13:56" (1/3) ... [2023-02-15 02:13:57,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1e890c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:13:57, skipping insertion in model container [2023-02-15 02:13:57,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:13:57" (2/3) ... [2023-02-15 02:13:57,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1e890c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:13:57, skipping insertion in model container [2023-02-15 02:13:57,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:57" (3/3) ... [2023-02-15 02:13:57,717 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-15 02:13:57,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 02:13:57,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-02-15 02:13:57,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 02:13:57,774 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;@41d5c314, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 02:13:57,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-02-15 02:13:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 61 states have (on average 1.7868852459016393) internal successors, (109), 97 states have internal predecessors, (109), 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 02:13:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 02:13:57,785 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:57,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 02:13:57,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:57,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:57,789 INFO L85 PathProgramCache]: Analyzing trace with hash 889508904, now seen corresponding path program 1 times [2023-02-15 02:13:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833624962] [2023-02-15 02:13:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:58,111 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 02:13:58,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:58,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833624962] [2023-02-15 02:13:58,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833624962] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:58,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:58,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:13:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784132992] [2023-02-15 02:13:58,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:58,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:58,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:58,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:58,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:58,156 INFO L87 Difference]: Start difference. First operand has 98 states, 61 states have (on average 1.7868852459016393) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:58,281 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2023-02-15 02:13:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:58,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 02:13:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:58,293 INFO L225 Difference]: With dead ends: 112 [2023-02-15 02:13:58,294 INFO L226 Difference]: Without dead ends: 102 [2023-02-15 02:13:58,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:13:58,299 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 7 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:58,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 261 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-15 02:13:58,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2023-02-15 02:13:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.7580645161290323) internal successors, (109), 97 states have internal predecessors, (109), 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 02:13:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2023-02-15 02:13:58,349 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 6 [2023-02-15 02:13:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:58,350 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2023-02-15 02:13:58,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2023-02-15 02:13:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 02:13:58,351 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:58,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 02:13:58,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 02:13:58,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2023-02-15 02:13:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514151921] [2023-02-15 02:13:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:58,476 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 02:13:58,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:58,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514151921] [2023-02-15 02:13:58,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514151921] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:58,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:58,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:13:58,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7681632] [2023-02-15 02:13:58,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:58,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:58,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:58,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:58,479 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:58,559 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2023-02-15 02:13:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:58,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 02:13:58,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:58,562 INFO L225 Difference]: With dead ends: 98 [2023-02-15 02:13:58,562 INFO L226 Difference]: Without dead ends: 97 [2023-02-15 02:13:58,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:58,566 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:58,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 248 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:58,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-15 02:13:58,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-02-15 02:13:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.7419354838709677) internal successors, (108), 96 states have internal predecessors, (108), 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 02:13:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 108 transitions. [2023-02-15 02:13:58,575 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 108 transitions. Word has length 6 [2023-02-15 02:13:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:58,575 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 108 transitions. [2023-02-15 02:13:58,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 108 transitions. [2023-02-15 02:13:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 02:13:58,576 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:58,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 02:13:58,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 02:13:58,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:58,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2023-02-15 02:13:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:58,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035324893] [2023-02-15 02:13:58,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:58,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:58,713 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 02:13:58,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:58,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035324893] [2023-02-15 02:13:58,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035324893] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:58,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:58,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:13:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575688012] [2023-02-15 02:13:58,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:58,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:58,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:58,717 INFO L87 Difference]: Start difference. First operand 97 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:58,774 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2023-02-15 02:13:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:58,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 02:13:58,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:58,777 INFO L225 Difference]: With dead ends: 97 [2023-02-15 02:13:58,777 INFO L226 Difference]: Without dead ends: 96 [2023-02-15 02:13:58,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:13:58,782 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 8 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:58,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 239 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:13:58,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-15 02:13:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-02-15 02:13:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 62 states have (on average 1.7258064516129032) internal successors, (107), 95 states have internal predecessors, (107), 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 02:13:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2023-02-15 02:13:58,794 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 6 [2023-02-15 02:13:58,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:58,794 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2023-02-15 02:13:58,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2023-02-15 02:13:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 02:13:58,795 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:58,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:58,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 02:13:58,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966342, now seen corresponding path program 1 times [2023-02-15 02:13:58,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:58,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151373175] [2023-02-15 02:13:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:58,899 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 02:13:58,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:58,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151373175] [2023-02-15 02:13:58,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151373175] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:58,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:58,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:13:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266791960] [2023-02-15 02:13:58,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:58,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 02:13:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 02:13:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 02:13:58,902 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:58,976 INFO L93 Difference]: Finished difference Result 180 states and 199 transitions. [2023-02-15 02:13:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 02:13:58,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-15 02:13:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:58,977 INFO L225 Difference]: With dead ends: 180 [2023-02-15 02:13:58,977 INFO L226 Difference]: Without dead ends: 96 [2023-02-15 02:13:58,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-15 02:13:58,978 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:58,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 301 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:58,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-15 02:13:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-02-15 02:13:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 62 states have (on average 1.7096774193548387) internal successors, (106), 95 states have internal predecessors, (106), 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 02:13:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2023-02-15 02:13:58,982 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 7 [2023-02-15 02:13:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:58,983 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2023-02-15 02:13:58,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2023-02-15 02:13:58,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 02:13:58,983 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:58,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:58,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 02:13:58,984 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:58,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2023-02-15 02:13:58,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:58,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446565646] [2023-02-15 02:13:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,038 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 02:13:59,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446565646] [2023-02-15 02:13:59,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446565646] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:13:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621413497] [2023-02-15 02:13:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:59,041 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,088 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2023-02-15 02:13:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:59,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-15 02:13:59,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,089 INFO L225 Difference]: With dead ends: 96 [2023-02-15 02:13:59,089 INFO L226 Difference]: Without dead ends: 95 [2023-02-15 02:13:59,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:59,090 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:13:59,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-15 02:13:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-02-15 02:13:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.6935483870967742) internal successors, (105), 94 states have internal predecessors, (105), 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 02:13:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2023-02-15 02:13:59,096 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 7 [2023-02-15 02:13:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2023-02-15 02:13:59,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2023-02-15 02:13:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 02:13:59,100 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 02:13:59,100 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1806813384, now seen corresponding path program 1 times [2023-02-15 02:13:59,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931230847] [2023-02-15 02:13:59,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,159 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 02:13:59,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931230847] [2023-02-15 02:13:59,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931230847] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 02:13:59,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371374435] [2023-02-15 02:13:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:59,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:59,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:59,161 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,213 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2023-02-15 02:13:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:59,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-15 02:13:59,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,214 INFO L225 Difference]: With dead ends: 176 [2023-02-15 02:13:59,214 INFO L226 Difference]: Without dead ends: 92 [2023-02-15 02:13:59,215 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 02:13:59,216 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 3 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 244 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:13:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-15 02:13:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-02-15 02:13:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 91 states have internal predecessors, (101), 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 02:13:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2023-02-15 02:13:59,227 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 7 [2023-02-15 02:13:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,227 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2023-02-15 02:13:59,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-02-15 02:13:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-15 02:13:59,228 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 02:13:59,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1238197486, now seen corresponding path program 1 times [2023-02-15 02:13:59,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368849263] [2023-02-15 02:13:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,328 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 02:13:59,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368849263] [2023-02-15 02:13:59,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368849263] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:13:59,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493205476] [2023-02-15 02:13:59,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:13:59,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:13:59,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:13:59,330 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,426 INFO L93 Difference]: Finished difference Result 173 states and 190 transitions. [2023-02-15 02:13:59,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:13:59,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-15 02:13:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,427 INFO L225 Difference]: With dead ends: 173 [2023-02-15 02:13:59,427 INFO L226 Difference]: Without dead ends: 98 [2023-02-15 02:13:59,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:13:59,428 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 4 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 425 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-02-15 02:13:59,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-02-15 02:13:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 93 states have internal predecessors, (103), 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 02:13:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2023-02-15 02:13:59,430 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 10 [2023-02-15 02:13:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,430 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2023-02-15 02:13:59,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-02-15 02:13:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-15 02:13:59,431 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 02:13:59,431 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1238197678, now seen corresponding path program 1 times [2023-02-15 02:13:59,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139170498] [2023-02-15 02:13:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,464 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 02:13:59,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139170498] [2023-02-15 02:13:59,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139170498] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:13:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206453651] [2023-02-15 02:13:59,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:13:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:13:59,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:59,467 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,509 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2023-02-15 02:13:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:13:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-15 02:13:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,510 INFO L225 Difference]: With dead ends: 94 [2023-02-15 02:13:59,510 INFO L226 Difference]: Without dead ends: 93 [2023-02-15 02:13:59,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:13:59,511 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 2 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 236 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:13:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-15 02:13:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-15 02:13:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 92 states have internal predecessors, (102), 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 02:13:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2023-02-15 02:13:59,513 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 10 [2023-02-15 02:13:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,514 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2023-02-15 02:13:59,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-02-15 02:13:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-15 02:13:59,514 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 02:13:59,515 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1870049334, now seen corresponding path program 1 times [2023-02-15 02:13:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998940223] [2023-02-15 02:13:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,608 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 02:13:59,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998940223] [2023-02-15 02:13:59,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998940223] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:13:59,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227765201] [2023-02-15 02:13:59,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:13:59,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:13:59,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:13:59,610 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,728 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2023-02-15 02:13:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:13:59,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-15 02:13:59,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,729 INFO L225 Difference]: With dead ends: 96 [2023-02-15 02:13:59,730 INFO L226 Difference]: Without dead ends: 95 [2023-02-15 02:13:59,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-15 02:13:59,730 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 11 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 409 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:59,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-15 02:13:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2023-02-15 02:13:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 91 states have internal predecessors, (101), 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 02:13:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2023-02-15 02:13:59,732 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10 [2023-02-15 02:13:59,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,733 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2023-02-15 02:13:59,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-02-15 02:13:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 02:13:59,733 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 02:13:59,734 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash 270577707, now seen corresponding path program 1 times [2023-02-15 02:13:59,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507304066] [2023-02-15 02:13:59,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:13:59,868 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 02:13:59,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:13:59,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507304066] [2023-02-15 02:13:59,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507304066] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:13:59,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:13:59,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-15 02:13:59,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366952850] [2023-02-15 02:13:59,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:13:59,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 02:13:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:13:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 02:13:59,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-02-15 02:13:59,870 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:13:59,982 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2023-02-15 02:13:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 02:13:59,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-15 02:13:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:13:59,982 INFO L225 Difference]: With dead ends: 95 [2023-02-15 02:13:59,983 INFO L226 Difference]: Without dead ends: 94 [2023-02-15 02:13:59,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-02-15 02:13:59,983 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:13:59,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 453 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:13:59,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-02-15 02:13:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-02-15 02:13:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.609375) internal successors, (103), 93 states have internal predecessors, (103), 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 02:13:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2023-02-15 02:13:59,986 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 11 [2023-02-15 02:13:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:13:59,986 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2023-02-15 02:13:59,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:13:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-02-15 02:13:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 02:13:59,986 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:13:59,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:13:59,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-15 02:13:59,987 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:13:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:13:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2136954439, now seen corresponding path program 1 times [2023-02-15 02:13:59,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:13:59,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269759848] [2023-02-15 02:13:59,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:13:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:13:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,026 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 02:14:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269759848] [2023-02-15 02:14:00,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269759848] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:00,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413296894] [2023-02-15 02:14:00,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:00,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:00,028 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:00,068 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2023-02-15 02:14:00,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:00,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-15 02:14:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:00,069 INFO L225 Difference]: With dead ends: 94 [2023-02-15 02:14:00,069 INFO L226 Difference]: Without dead ends: 93 [2023-02-15 02:14:00,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:00,069 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:00,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-15 02:14:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-15 02:14:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.59375) internal successors, (102), 92 states have internal predecessors, (102), 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 02:14:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2023-02-15 02:14:00,072 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 11 [2023-02-15 02:14:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:00,072 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2023-02-15 02:14:00,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-02-15 02:14:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 02:14:00,073 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:00,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:00,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-15 02:14:00,073 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:00,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2136960397, now seen corresponding path program 1 times [2023-02-15 02:14:00,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:00,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071792215] [2023-02-15 02:14:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:00,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,187 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 02:14:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071792215] [2023-02-15 02:14:00,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071792215] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:14:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412863116] [2023-02-15 02:14:00,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:14:00,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:14:00,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:00,189 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:00,265 INFO L93 Difference]: Finished difference Result 164 states and 180 transitions. [2023-02-15 02:14:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 02:14:00,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-15 02:14:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:00,267 INFO L225 Difference]: With dead ends: 164 [2023-02-15 02:14:00,267 INFO L226 Difference]: Without dead ends: 90 [2023-02-15 02:14:00,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-02-15 02:14:00,267 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:00,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 361 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-15 02:14:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-02-15 02:14:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 89 states have internal predecessors, (98), 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 02:14:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2023-02-15 02:14:00,270 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 11 [2023-02-15 02:14:00,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:00,270 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2023-02-15 02:14:00,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-02-15 02:14:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:14:00,271 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:00,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:00,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-15 02:14:00,271 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:00,272 INFO L85 PathProgramCache]: Analyzing trace with hash -873076548, now seen corresponding path program 1 times [2023-02-15 02:14:00,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:00,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437532705] [2023-02-15 02:14:00,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,360 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 02:14:00,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437532705] [2023-02-15 02:14:00,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437532705] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:14:00,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356005721] [2023-02-15 02:14:00,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:14:00,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:14:00,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:00,362 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:00,446 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2023-02-15 02:14:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:14:00,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-15 02:14:00,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:00,447 INFO L225 Difference]: With dead ends: 161 [2023-02-15 02:14:00,447 INFO L226 Difference]: Without dead ends: 96 [2023-02-15 02:14:00,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:00,448 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 4 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:00,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 401 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:00,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-15 02:14:00,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-02-15 02:14:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.5625) internal successors, (100), 91 states have internal predecessors, (100), 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 02:14:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2023-02-15 02:14:00,450 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 14 [2023-02-15 02:14:00,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:00,451 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2023-02-15 02:14:00,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2023-02-15 02:14:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:14:00,451 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:00,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:00,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-15 02:14:00,452 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:00,452 INFO L85 PathProgramCache]: Analyzing trace with hash -873076740, now seen corresponding path program 1 times [2023-02-15 02:14:00,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:00,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103387794] [2023-02-15 02:14:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:14:00,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103387794] [2023-02-15 02:14:00,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103387794] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:00,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157429221] [2023-02-15 02:14:00,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:00,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:00,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:00,489 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:00,524 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2023-02-15 02:14:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-15 02:14:00,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:00,525 INFO L225 Difference]: With dead ends: 92 [2023-02-15 02:14:00,525 INFO L226 Difference]: Without dead ends: 91 [2023-02-15 02:14:00,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:00,526 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 2 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:00,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 224 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:00,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-15 02:14:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-02-15 02:14:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 64 states have (on average 1.546875) internal successors, (99), 90 states have internal predecessors, (99), 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 02:14:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2023-02-15 02:14:00,528 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 14 [2023-02-15 02:14:00,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:00,528 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2023-02-15 02:14:00,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-02-15 02:14:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 02:14:00,529 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:00,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:00,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-15 02:14:00,529 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:00,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:00,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2004362130, now seen corresponding path program 1 times [2023-02-15 02:14:00,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:00,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108385843] [2023-02-15 02:14:00,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:00,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,682 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 02:14:00,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108385843] [2023-02-15 02:14:00,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108385843] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-15 02:14:00,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037272928] [2023-02-15 02:14:00,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 02:14:00,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 02:14:00,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-02-15 02:14:00,684 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:00,771 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2023-02-15 02:14:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 02:14:00,771 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-15 02:14:00,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:00,772 INFO L225 Difference]: With dead ends: 94 [2023-02-15 02:14:00,773 INFO L226 Difference]: Without dead ends: 93 [2023-02-15 02:14:00,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-02-15 02:14:00,775 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 28 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 376 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-15 02:14:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2023-02-15 02:14:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.53125) internal successors, (98), 89 states have internal predecessors, (98), 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 02:14:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2023-02-15 02:14:00,777 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 14 [2023-02-15 02:14:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:00,777 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2023-02-15 02:14:00,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-02-15 02:14:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 02:14:00,778 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:00,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:00,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-15 02:14:00,779 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:00,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:00,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1295575088, now seen corresponding path program 1 times [2023-02-15 02:14:00,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:00,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620644702] [2023-02-15 02:14:00,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:00,947 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 02:14:00,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:00,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620644702] [2023-02-15 02:14:00,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620644702] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:00,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:00,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-02-15 02:14:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509582053] [2023-02-15 02:14:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:00,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-15 02:14:00,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:00,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-15 02:14:00,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-02-15 02:14:00,950 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:01,096 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2023-02-15 02:14:01,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-15 02:14:01,096 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-15 02:14:01,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:01,097 INFO L225 Difference]: With dead ends: 93 [2023-02-15 02:14:01,097 INFO L226 Difference]: Without dead ends: 92 [2023-02-15 02:14:01,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-15 02:14:01,097 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 11 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:01,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 489 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:01,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-15 02:14:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-02-15 02:14:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 91 states have internal predecessors, (100), 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 02:14:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2023-02-15 02:14:01,100 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 15 [2023-02-15 02:14:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:01,100 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2023-02-15 02:14:01,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2023-02-15 02:14:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 02:14:01,101 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:01,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:01,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-02-15 02:14:01,102 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2005683804, now seen corresponding path program 1 times [2023-02-15 02:14:01,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:01,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412764880] [2023-02-15 02:14:01,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:01,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:01,135 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 02:14:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:01,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412764880] [2023-02-15 02:14:01,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412764880] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:01,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:01,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:01,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522219776] [2023-02-15 02:14:01,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:01,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:01,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:01,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:01,137 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:01,177 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2023-02-15 02:14:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:01,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-15 02:14:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:01,178 INFO L225 Difference]: With dead ends: 92 [2023-02-15 02:14:01,178 INFO L226 Difference]: Without dead ends: 91 [2023-02-15 02:14:01,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:01,178 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:01,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-15 02:14:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-02-15 02:14:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.5) internal successors, (99), 90 states have internal predecessors, (99), 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 02:14:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2023-02-15 02:14:01,180 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 15 [2023-02-15 02:14:01,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:01,181 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2023-02-15 02:14:01,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-02-15 02:14:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 02:14:01,181 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:01,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:14:01,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-15 02:14:01,182 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:01,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2005689762, now seen corresponding path program 1 times [2023-02-15 02:14:01,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:01,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526089063] [2023-02-15 02:14:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:01,299 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 02:14:01,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:01,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526089063] [2023-02-15 02:14:01,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526089063] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:01,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:01,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-15 02:14:01,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725636001] [2023-02-15 02:14:01,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:01,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-15 02:14:01,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:01,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-15 02:14:01,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-02-15 02:14:01,301 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:01,414 INFO L93 Difference]: Finished difference Result 152 states and 166 transitions. [2023-02-15 02:14:01,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 02:14:01,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-15 02:14:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:01,415 INFO L225 Difference]: With dead ends: 152 [2023-02-15 02:14:01,415 INFO L226 Difference]: Without dead ends: 88 [2023-02-15 02:14:01,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-02-15 02:14:01,416 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:01,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 455 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:01,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-15 02:14:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-02-15 02:14:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 64 states have (on average 1.484375) internal successors, (95), 87 states have internal predecessors, (95), 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 02:14:01,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2023-02-15 02:14:01,418 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 15 [2023-02-15 02:14:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:01,418 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2023-02-15 02:14:01,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2023-02-15 02:14:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 02:14:01,418 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:01,418 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 02:14:01,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-15 02:14:01,419 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1901241242, now seen corresponding path program 1 times [2023-02-15 02:14:01,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:01,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842101665] [2023-02-15 02:14:01,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:01,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:01,452 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 02:14:01,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:01,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842101665] [2023-02-15 02:14:01,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842101665] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:01,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:01,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331047456] [2023-02-15 02:14:01,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:01,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:01,454 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:01,495 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2023-02-15 02:14:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:01,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 02:14:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:01,496 INFO L225 Difference]: With dead ends: 88 [2023-02-15 02:14:01,496 INFO L226 Difference]: Without dead ends: 87 [2023-02-15 02:14:01,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:01,497 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 2 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:01,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:01,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-15 02:14:01,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-02-15 02:14:01,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.46875) internal successors, (94), 86 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2023-02-15 02:14:01,499 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 18 [2023-02-15 02:14:01,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:01,499 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2023-02-15 02:14:01,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2023-02-15 02:14:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 02:14:01,500 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:01,500 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 02:14:01,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-02-15 02:14:01,500 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:01,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:01,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1901241050, now seen corresponding path program 1 times [2023-02-15 02:14:01,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:01,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796095038] [2023-02-15 02:14:01,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:01,698 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 02:14:01,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:01,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796095038] [2023-02-15 02:14:01,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796095038] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:01,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:01,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-15 02:14:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953022010] [2023-02-15 02:14:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:01,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-15 02:14:01,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:01,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-15 02:14:01,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-02-15 02:14:01,700 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:01,842 INFO L93 Difference]: Finished difference Result 147 states and 160 transitions. [2023-02-15 02:14:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-15 02:14:01,842 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 02:14:01,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:01,843 INFO L225 Difference]: With dead ends: 147 [2023-02-15 02:14:01,843 INFO L226 Difference]: Without dead ends: 92 [2023-02-15 02:14:01,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-02-15 02:14:01,844 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 7 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:01,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 575 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:01,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-15 02:14:01,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2023-02-15 02:14:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 88 states have internal predecessors, (96), 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 02:14:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2023-02-15 02:14:01,846 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 18 [2023-02-15 02:14:01,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:01,846 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2023-02-15 02:14:01,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2023-02-15 02:14:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 02:14:01,846 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:01,847 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 02:14:01,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-15 02:14:01,847 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:01,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash 258900690, now seen corresponding path program 1 times [2023-02-15 02:14:01,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:01,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356781095] [2023-02-15 02:14:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:01,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:02,023 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 02:14:02,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:02,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356781095] [2023-02-15 02:14:02,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356781095] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:02,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:02,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-15 02:14:02,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188502790] [2023-02-15 02:14:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:02,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-15 02:14:02,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:02,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-15 02:14:02,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-02-15 02:14:02,025 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:02,162 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2023-02-15 02:14:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-15 02:14:02,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 02:14:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:02,163 INFO L225 Difference]: With dead ends: 92 [2023-02-15 02:14:02,163 INFO L226 Difference]: Without dead ends: 91 [2023-02-15 02:14:02,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-02-15 02:14:02,163 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:02,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 493 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:02,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-15 02:14:02,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2023-02-15 02:14:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 87 states have internal predecessors, (95), 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 02:14:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2023-02-15 02:14:02,165 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 18 [2023-02-15 02:14:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:02,165 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2023-02-15 02:14:02,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2023-02-15 02:14:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 02:14:02,166 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:02,166 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 02:14:02,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-02-15 02:14:02,166 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:02,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:02,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1191063733, now seen corresponding path program 1 times [2023-02-15 02:14:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:02,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442718702] [2023-02-15 02:14:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:02,360 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 02:14:02,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:02,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442718702] [2023-02-15 02:14:02,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442718702] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:02,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:02,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-02-15 02:14:02,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371025261] [2023-02-15 02:14:02,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:02,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-15 02:14:02,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:02,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-15 02:14:02,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-02-15 02:14:02,362 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:02,552 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2023-02-15 02:14:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-15 02:14:02,554 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-02-15 02:14:02,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:02,555 INFO L225 Difference]: With dead ends: 91 [2023-02-15 02:14:02,555 INFO L226 Difference]: Without dead ends: 90 [2023-02-15 02:14:02,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-02-15 02:14:02,555 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 11 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:02,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 620 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-15 02:14:02,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-02-15 02:14:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 89 states have internal predecessors, (97), 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 02:14:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2023-02-15 02:14:02,557 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 19 [2023-02-15 02:14:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:02,557 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2023-02-15 02:14:02,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2023-02-15 02:14:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 02:14:02,557 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:02,557 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 02:14:02,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-02-15 02:14:02,558 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:02,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash -564019063, now seen corresponding path program 1 times [2023-02-15 02:14:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:02,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145206298] [2023-02-15 02:14:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:02,739 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 02:14:02,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:02,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145206298] [2023-02-15 02:14:02,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145206298] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:02,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:02,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-15 02:14:02,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879070970] [2023-02-15 02:14:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:02,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-15 02:14:02,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-15 02:14:02,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-02-15 02:14:02,742 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:02,857 INFO L93 Difference]: Finished difference Result 141 states and 153 transitions. [2023-02-15 02:14:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-15 02:14:02,857 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-02-15 02:14:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:02,858 INFO L225 Difference]: With dead ends: 141 [2023-02-15 02:14:02,858 INFO L226 Difference]: Without dead ends: 87 [2023-02-15 02:14:02,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2023-02-15 02:14:02,859 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 14 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:02,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 461 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:02,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-15 02:14:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-02-15 02:14:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 86 states have internal predecessors, (93), 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 02:14:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2023-02-15 02:14:02,864 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 19 [2023-02-15 02:14:02,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:02,864 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2023-02-15 02:14:02,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2023-02-15 02:14:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 02:14:02,865 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:02,865 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 02:14:02,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-02-15 02:14:02,865 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:02,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:02,866 INFO L85 PathProgramCache]: Analyzing trace with hash -564013105, now seen corresponding path program 1 times [2023-02-15 02:14:02,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:02,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039634607] [2023-02-15 02:14:02,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:02,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:02,895 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 02:14:02,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:02,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039634607] [2023-02-15 02:14:02,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039634607] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:02,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:02,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:02,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382499253] [2023-02-15 02:14:02,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:02,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:02,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:02,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:02,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:02,898 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:02,931 INFO L93 Difference]: Finished difference Result 87 states and 93 transitions. [2023-02-15 02:14:02,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-02-15 02:14:02,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:02,932 INFO L225 Difference]: With dead ends: 87 [2023-02-15 02:14:02,932 INFO L226 Difference]: Without dead ends: 86 [2023-02-15 02:14:02,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:02,933 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:02,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-15 02:14:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-02-15 02:14:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.393939393939394) internal successors, (92), 85 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2023-02-15 02:14:02,935 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 19 [2023-02-15 02:14:02,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:02,935 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2023-02-15 02:14:02,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-02-15 02:14:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-15 02:14:02,936 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:02,936 INFO L195 NwaCegarLoop]: trace histogram [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 02:14:02,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-02-15 02:14:02,936 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:02,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2040031344, now seen corresponding path program 1 times [2023-02-15 02:14:02,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:02,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961287819] [2023-02-15 02:14:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:02,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:02,973 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 02:14:02,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:02,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961287819] [2023-02-15 02:14:02,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961287819] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:02,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:02,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:02,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712482686] [2023-02-15 02:14:02,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:02,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:02,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:02,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:02,975 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 02:14:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:03,009 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2023-02-15 02:14:03,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:03,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2023-02-15 02:14:03,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:03,010 INFO L225 Difference]: With dead ends: 86 [2023-02-15 02:14:03,010 INFO L226 Difference]: Without dead ends: 85 [2023-02-15 02:14:03,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:03,011 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:03,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 200 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:03,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-15 02:14:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-02-15 02:14:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.378787878787879) internal successors, (91), 84 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2023-02-15 02:14:03,012 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 22 [2023-02-15 02:14:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:03,012 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2023-02-15 02:14:03,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 02:14:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2023-02-15 02:14:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-15 02:14:03,013 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:03,013 INFO L195 NwaCegarLoop]: trace histogram [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 02:14:03,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-02-15 02:14:03,013 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:03,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:03,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2040031152, now seen corresponding path program 1 times [2023-02-15 02:14:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:03,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590380170] [2023-02-15 02:14:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:03,080 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 02:14:03,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:03,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590380170] [2023-02-15 02:14:03,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590380170] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:03,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:03,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:14:03,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7577638] [2023-02-15 02:14:03,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:03,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:14:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:03,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:14:03,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:03,081 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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 02:14:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:03,147 INFO L93 Difference]: Finished difference Result 135 states and 146 transitions. [2023-02-15 02:14:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:14:03,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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 22 [2023-02-15 02:14:03,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:03,147 INFO L225 Difference]: With dead ends: 135 [2023-02-15 02:14:03,147 INFO L226 Difference]: Without dead ends: 90 [2023-02-15 02:14:03,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:03,148 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 3 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:03,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 311 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-15 02:14:03,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2023-02-15 02:14:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 86 states have internal predecessors, (93), 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 02:14:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2023-02-15 02:14:03,150 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 22 [2023-02-15 02:14:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:03,150 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2023-02-15 02:14:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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 02:14:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2023-02-15 02:14:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-15 02:14:03,150 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:03,150 INFO L195 NwaCegarLoop]: trace histogram [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 02:14:03,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-02-15 02:14:03,151 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:03,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:03,151 INFO L85 PathProgramCache]: Analyzing trace with hash -602250506, now seen corresponding path program 1 times [2023-02-15 02:14:03,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:03,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698473265] [2023-02-15 02:14:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:03,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:03,367 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 02:14:03,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698473265] [2023-02-15 02:14:03,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698473265] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:03,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:03,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-02-15 02:14:03,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131030080] [2023-02-15 02:14:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:03,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 02:14:03,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:03,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 02:14:03,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-02-15 02:14:03,369 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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 02:14:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:03,549 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2023-02-15 02:14:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-15 02:14:03,550 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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 22 [2023-02-15 02:14:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:03,550 INFO L225 Difference]: With dead ends: 90 [2023-02-15 02:14:03,550 INFO L226 Difference]: Without dead ends: 89 [2023-02-15 02:14:03,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2023-02-15 02:14:03,551 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:03,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 514 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:03,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-15 02:14:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2023-02-15 02:14:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 85 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2023-02-15 02:14:03,552 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 22 [2023-02-15 02:14:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:03,553 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2023-02-15 02:14:03,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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 02:14:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-02-15 02:14:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 02:14:03,553 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:03,553 INFO L195 NwaCegarLoop]: trace histogram [1, 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 02:14:03,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-02-15 02:14:03,553 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:03,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1183537882, now seen corresponding path program 1 times [2023-02-15 02:14:03,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:03,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205263455] [2023-02-15 02:14:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:03,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:03,786 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 02:14:03,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:03,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205263455] [2023-02-15 02:14:03,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205263455] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:03,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:03,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-02-15 02:14:03,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55275599] [2023-02-15 02:14:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:03,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-15 02:14:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:03,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-15 02:14:03,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-02-15 02:14:03,788 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:04,005 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2023-02-15 02:14:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-15 02:14:04,005 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 02:14:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:04,006 INFO L225 Difference]: With dead ends: 89 [2023-02-15 02:14:04,006 INFO L226 Difference]: Without dead ends: 88 [2023-02-15 02:14:04,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2023-02-15 02:14:04,007 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 17 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:04,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 513 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-15 02:14:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-02-15 02:14:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 87 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2023-02-15 02:14:04,009 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 23 [2023-02-15 02:14:04,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:04,009 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2023-02-15 02:14:04,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2023-02-15 02:14:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 02:14:04,010 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:04,010 INFO L195 NwaCegarLoop]: trace histogram [1, 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 02:14:04,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-02-15 02:14:04,010 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:04,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:04,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1489902348, now seen corresponding path program 1 times [2023-02-15 02:14:04,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:04,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644579418] [2023-02-15 02:14:04,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:04,276 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 02:14:04,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:04,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644579418] [2023-02-15 02:14:04,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644579418] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:04,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:04,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-02-15 02:14:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672780178] [2023-02-15 02:14:04,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:04,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 02:14:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:04,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 02:14:04,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2023-02-15 02:14:04,278 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:04,400 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2023-02-15 02:14:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-15 02:14:04,400 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 02:14:04,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:04,401 INFO L225 Difference]: With dead ends: 129 [2023-02-15 02:14:04,401 INFO L226 Difference]: Without dead ends: 85 [2023-02-15 02:14:04,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2023-02-15 02:14:04,401 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 30 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:04,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 457 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-15 02:14:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-02-15 02:14:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 84 states have internal predecessors, (90), 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 02:14:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2023-02-15 02:14:04,403 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 23 [2023-02-15 02:14:04,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:04,403 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2023-02-15 02:14:04,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-02-15 02:14:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 02:14:04,403 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:04,403 INFO L195 NwaCegarLoop]: trace histogram [1, 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 02:14:04,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-02-15 02:14:04,403 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:04,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:04,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1489896390, now seen corresponding path program 1 times [2023-02-15 02:14:04,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:04,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927260029] [2023-02-15 02:14:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:04,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:04,438 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 02:14:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:04,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927260029] [2023-02-15 02:14:04,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927260029] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:04,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:04,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:04,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79489133] [2023-02-15 02:14:04,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:04,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:04,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:04,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:04,440 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:04,478 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2023-02-15 02:14:04,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:04,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 02:14:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:04,479 INFO L225 Difference]: With dead ends: 85 [2023-02-15 02:14:04,479 INFO L226 Difference]: Without dead ends: 84 [2023-02-15 02:14:04,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:04,480 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:04,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:04,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-15 02:14:04,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-02-15 02:14:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 83 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2023-02-15 02:14:04,482 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 23 [2023-02-15 02:14:04,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:04,482 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2023-02-15 02:14:04,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2023-02-15 02:14:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 02:14:04,483 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:04,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:14:04,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-02-15 02:14:04,483 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:04,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1390623098, now seen corresponding path program 1 times [2023-02-15 02:14:04,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:04,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857008692] [2023-02-15 02:14:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:04,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:04,514 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 02:14:04,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:04,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857008692] [2023-02-15 02:14:04,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857008692] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:04,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:04,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056204673] [2023-02-15 02:14:04,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:04,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:04,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:04,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:04,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:04,516 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:04,556 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2023-02-15 02:14:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:04,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-02-15 02:14:04,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:04,557 INFO L225 Difference]: With dead ends: 84 [2023-02-15 02:14:04,557 INFO L226 Difference]: Without dead ends: 83 [2023-02-15 02:14:04,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:04,558 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:04,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 188 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-15 02:14:04,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-02-15 02:14:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 82 states have internal predecessors, (88), 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 02:14:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2023-02-15 02:14:04,559 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 26 [2023-02-15 02:14:04,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:04,560 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2023-02-15 02:14:04,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2023-02-15 02:14:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 02:14:04,560 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:04,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:14:04,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-02-15 02:14:04,560 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1390623290, now seen corresponding path program 1 times [2023-02-15 02:14:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:04,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487926105] [2023-02-15 02:14:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:04,630 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 02:14:04,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:04,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487926105] [2023-02-15 02:14:04,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487926105] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:04,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:04,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:14:04,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432828972] [2023-02-15 02:14:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:04,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:14:04,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:14:04,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:04,632 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:04,724 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2023-02-15 02:14:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:14:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-02-15 02:14:04,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:04,725 INFO L225 Difference]: With dead ends: 123 [2023-02-15 02:14:04,725 INFO L226 Difference]: Without dead ends: 88 [2023-02-15 02:14:04,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:04,725 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:04,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 323 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-15 02:14:04,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2023-02-15 02:14:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 84 states have internal predecessors, (90), 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 02:14:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2023-02-15 02:14:04,727 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 26 [2023-02-15 02:14:04,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:04,727 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2023-02-15 02:14:04,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-02-15 02:14:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 02:14:04,727 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:04,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:14:04,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-02-15 02:14:04,727 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:04,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1311204134, now seen corresponding path program 1 times [2023-02-15 02:14:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:04,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035855607] [2023-02-15 02:14:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:05,019 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 02:14:05,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:05,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035855607] [2023-02-15 02:14:05,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035855607] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:05,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:05,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-02-15 02:14:05,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962705414] [2023-02-15 02:14:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:05,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-15 02:14:05,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:05,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-15 02:14:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-02-15 02:14:05,021 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:05,254 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2023-02-15 02:14:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-15 02:14:05,254 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-02-15 02:14:05,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:05,255 INFO L225 Difference]: With dead ends: 88 [2023-02-15 02:14:05,255 INFO L226 Difference]: Without dead ends: 87 [2023-02-15 02:14:05,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2023-02-15 02:14:05,255 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 47 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:05,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 573 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-15 02:14:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-02-15 02:14:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 83 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2023-02-15 02:14:05,257 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 26 [2023-02-15 02:14:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:05,257 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2023-02-15 02:14:05,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2023-02-15 02:14:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 02:14:05,257 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:05,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:14:05,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-02-15 02:14:05,258 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:05,258 INFO L85 PathProgramCache]: Analyzing trace with hash 159643199, now seen corresponding path program 1 times [2023-02-15 02:14:05,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104655677] [2023-02-15 02:14:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:05,545 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 02:14:05,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:05,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104655677] [2023-02-15 02:14:05,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104655677] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:05,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:05,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-02-15 02:14:05,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561048367] [2023-02-15 02:14:05,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:05,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-15 02:14:05,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:05,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-15 02:14:05,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2023-02-15 02:14:05,547 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 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 02:14:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:05,755 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2023-02-15 02:14:05,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-02-15 02:14:05,756 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 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 27 [2023-02-15 02:14:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:05,756 INFO L225 Difference]: With dead ends: 87 [2023-02-15 02:14:05,756 INFO L226 Difference]: Without dead ends: 86 [2023-02-15 02:14:05,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2023-02-15 02:14:05,757 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 24 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:05,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 501 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-15 02:14:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-02-15 02:14:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 85 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2023-02-15 02:14:05,758 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 27 [2023-02-15 02:14:05,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:05,758 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2023-02-15 02:14:05,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 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 02:14:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2023-02-15 02:14:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 02:14:05,759 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:05,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:14:05,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-02-15 02:14:05,759 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:05,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1992628321, now seen corresponding path program 1 times [2023-02-15 02:14:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:05,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223594739] [2023-02-15 02:14:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:14:06,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:06,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223594739] [2023-02-15 02:14:06,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223594739] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:06,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:06,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-02-15 02:14:06,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145090027] [2023-02-15 02:14:06,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:06,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-15 02:14:06,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-15 02:14:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2023-02-15 02:14:06,061 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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 02:14:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:06,220 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2023-02-15 02:14:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-15 02:14:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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 27 [2023-02-15 02:14:06,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:06,221 INFO L225 Difference]: With dead ends: 117 [2023-02-15 02:14:06,221 INFO L226 Difference]: Without dead ends: 83 [2023-02-15 02:14:06,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2023-02-15 02:14:06,221 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 22 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:06,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 501 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:06,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-15 02:14:06,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-02-15 02:14:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 82 states have internal predecessors, (87), 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 02:14:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-15 02:14:06,223 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 27 [2023-02-15 02:14:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:06,223 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-15 02:14:06,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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 02:14:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-15 02:14:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 02:14:06,223 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:06,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:14:06,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-02-15 02:14:06,223 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:06,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:06,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1992622363, now seen corresponding path program 1 times [2023-02-15 02:14:06,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:06,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926021548] [2023-02-15 02:14:06,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:06,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:06,260 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 02:14:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:06,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926021548] [2023-02-15 02:14:06,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926021548] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:06,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:06,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:06,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571718207] [2023-02-15 02:14:06,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:06,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:06,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:06,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:06,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:06,261 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:14:06,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:06,298 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2023-02-15 02:14:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:06,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2023-02-15 02:14:06,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:06,299 INFO L225 Difference]: With dead ends: 83 [2023-02-15 02:14:06,299 INFO L226 Difference]: Without dead ends: 82 [2023-02-15 02:14:06,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:06,299 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:06,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-02-15 02:14:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-02-15 02:14:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 81 states have internal predecessors, (86), 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 02:14:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2023-02-15 02:14:06,303 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 27 [2023-02-15 02:14:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:06,303 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2023-02-15 02:14:06,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:14:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-02-15 02:14:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 02:14:06,304 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:06,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:06,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-02-15 02:14:06,304 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:06,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1401872932, now seen corresponding path program 1 times [2023-02-15 02:14:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:06,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469681649] [2023-02-15 02:14:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:06,338 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 02:14:06,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:06,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469681649] [2023-02-15 02:14:06,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469681649] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:06,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:06,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:06,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546916077] [2023-02-15 02:14:06,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:06,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:06,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:06,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:06,340 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 02:14:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:06,375 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2023-02-15 02:14:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2023-02-15 02:14:06,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:06,376 INFO L225 Difference]: With dead ends: 82 [2023-02-15 02:14:06,376 INFO L226 Difference]: Without dead ends: 81 [2023-02-15 02:14:06,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:06,376 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:06,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 176 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-02-15 02:14:06,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-02-15 02:14:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 80 states have internal predecessors, (85), 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 02:14:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2023-02-15 02:14:06,378 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 30 [2023-02-15 02:14:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:06,378 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2023-02-15 02:14:06,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 02:14:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2023-02-15 02:14:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 02:14:06,378 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:06,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:06,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-02-15 02:14:06,378 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:06,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1401873124, now seen corresponding path program 1 times [2023-02-15 02:14:06,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:06,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730522278] [2023-02-15 02:14:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:06,451 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 02:14:06,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:06,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730522278] [2023-02-15 02:14:06,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730522278] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:06,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:06,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 02:14:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166536499] [2023-02-15 02:14:06,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:06,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 02:14:06,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:06,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 02:14:06,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:06,454 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 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 02:14:06,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:06,530 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2023-02-15 02:14:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 02:14:06,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 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 30 [2023-02-15 02:14:06,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:06,531 INFO L225 Difference]: With dead ends: 111 [2023-02-15 02:14:06,531 INFO L226 Difference]: Without dead ends: 86 [2023-02-15 02:14:06,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-15 02:14:06,532 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:06,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 299 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 02:14:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-15 02:14:06,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2023-02-15 02:14:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 82 states have internal predecessors, (87), 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 02:14:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-15 02:14:06,533 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 30 [2023-02-15 02:14:06,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:06,533 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-15 02:14:06,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 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 02:14:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-15 02:14:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 02:14:06,534 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:06,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:06,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-02-15 02:14:06,534 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:06,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:06,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1469689730, now seen corresponding path program 1 times [2023-02-15 02:14:06,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:06,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653482083] [2023-02-15 02:14:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:06,876 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 02:14:06,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:06,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653482083] [2023-02-15 02:14:06,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653482083] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:06,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:06,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-15 02:14:06,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964158234] [2023-02-15 02:14:06,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:06,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-15 02:14:06,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-15 02:14:06,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2023-02-15 02:14:06,878 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 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 02:14:07,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:07,159 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2023-02-15 02:14:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 02:14:07,160 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 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 30 [2023-02-15 02:14:07,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:07,160 INFO L225 Difference]: With dead ends: 86 [2023-02-15 02:14:07,160 INFO L226 Difference]: Without dead ends: 85 [2023-02-15 02:14:07,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2023-02-15 02:14:07,161 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 33 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:07,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 556 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:07,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-15 02:14:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-02-15 02:14:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 81 states have internal predecessors, (86), 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 02:14:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2023-02-15 02:14:07,162 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 30 [2023-02-15 02:14:07,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:07,162 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2023-02-15 02:14:07,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 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 02:14:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-02-15 02:14:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-15 02:14:07,163 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:07,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:07,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-02-15 02:14:07,163 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:07,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash 508388068, now seen corresponding path program 1 times [2023-02-15 02:14:07,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:07,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742040016] [2023-02-15 02:14:07,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:07,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:07,547 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 02:14:07,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:07,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742040016] [2023-02-15 02:14:07,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742040016] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:07,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:07,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-15 02:14:07,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40094826] [2023-02-15 02:14:07,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:07,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-15 02:14:07,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-15 02:14:07,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2023-02-15 02:14:07,549 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 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 02:14:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:07,770 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2023-02-15 02:14:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 02:14:07,771 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 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 31 [2023-02-15 02:14:07,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:07,771 INFO L225 Difference]: With dead ends: 85 [2023-02-15 02:14:07,771 INFO L226 Difference]: Without dead ends: 84 [2023-02-15 02:14:07,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2023-02-15 02:14:07,772 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 27 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:07,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 450 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-15 02:14:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-02-15 02:14:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.1891891891891893) internal successors, (88), 83 states have internal predecessors, (88), 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 02:14:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2023-02-15 02:14:07,773 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 31 [2023-02-15 02:14:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:07,773 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2023-02-15 02:14:07,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 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 02:14:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2023-02-15 02:14:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-15 02:14:07,774 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:07,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:07,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-02-15 02:14:07,774 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:07,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:07,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1684252810, now seen corresponding path program 1 times [2023-02-15 02:14:07,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:07,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620588545] [2023-02-15 02:14:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:07,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:08,141 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 02:14:08,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:08,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620588545] [2023-02-15 02:14:08,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620588545] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:08,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:08,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-02-15 02:14:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147312185] [2023-02-15 02:14:08,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:08,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-15 02:14:08,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:08,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-15 02:14:08,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2023-02-15 02:14:08,143 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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 02:14:08,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:08,419 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2023-02-15 02:14:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-15 02:14:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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 31 [2023-02-15 02:14:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:08,421 INFO L225 Difference]: With dead ends: 94 [2023-02-15 02:14:08,421 INFO L226 Difference]: Without dead ends: 93 [2023-02-15 02:14:08,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2023-02-15 02:14:08,421 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 61 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:08,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 582 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-15 02:14:08,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2023-02-15 02:14:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 80 states have internal predecessors, (85), 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 02:14:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2023-02-15 02:14:08,423 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 31 [2023-02-15 02:14:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:08,423 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2023-02-15 02:14:08,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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 02:14:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2023-02-15 02:14:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-15 02:14:08,423 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:08,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:08,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-02-15 02:14:08,424 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1684258768, now seen corresponding path program 1 times [2023-02-15 02:14:08,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:08,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220569418] [2023-02-15 02:14:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:08,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:08,493 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 02:14:08,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220569418] [2023-02-15 02:14:08,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220569418] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:08,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:08,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747660446] [2023-02-15 02:14:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:08,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:08,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:08,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:08,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:08,494 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 02:14:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:08,526 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2023-02-15 02:14:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2023-02-15 02:14:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:08,527 INFO L225 Difference]: With dead ends: 81 [2023-02-15 02:14:08,527 INFO L226 Difference]: Without dead ends: 80 [2023-02-15 02:14:08,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:08,528 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:08,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:08,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-15 02:14:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-02-15 02:14:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 79 states have internal predecessors, (84), 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 02:14:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2023-02-15 02:14:08,529 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 31 [2023-02-15 02:14:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:08,529 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2023-02-15 02:14:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 02:14:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-02-15 02:14:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-15 02:14:08,529 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:08,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:08,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-02-15 02:14:08,530 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:08,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:08,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1334391182, now seen corresponding path program 1 times [2023-02-15 02:14:08,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:08,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857935331] [2023-02-15 02:14:08,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:08,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:14:08,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:08,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857935331] [2023-02-15 02:14:08,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857935331] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:08,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:08,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479216928] [2023-02-15 02:14:08,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:08,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:08,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:08,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:08,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:08,590 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:14:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:08,623 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2023-02-15 02:14:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:08,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2023-02-15 02:14:08,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:08,624 INFO L225 Difference]: With dead ends: 80 [2023-02-15 02:14:08,624 INFO L226 Difference]: Without dead ends: 79 [2023-02-15 02:14:08,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:08,624 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:08,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 164 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-15 02:14:08,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-02-15 02:14:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 78 states have internal predecessors, (83), 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 02:14:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2023-02-15 02:14:08,626 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 34 [2023-02-15 02:14:08,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:08,626 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2023-02-15 02:14:08,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:14:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-02-15 02:14:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-15 02:14:08,626 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:08,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:08,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-02-15 02:14:08,626 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:08,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:08,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1334391374, now seen corresponding path program 1 times [2023-02-15 02:14:08,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:08,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002692441] [2023-02-15 02:14:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:09,073 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 02:14:09,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:09,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002692441] [2023-02-15 02:14:09,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002692441] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:09,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:09,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-02-15 02:14:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565200599] [2023-02-15 02:14:09,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:09,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 02:14:09,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:09,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 02:14:09,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2023-02-15 02:14:09,075 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 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 02:14:09,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:09,367 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2023-02-15 02:14:09,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-15 02:14:09,367 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 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 34 [2023-02-15 02:14:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:09,368 INFO L225 Difference]: With dead ends: 101 [2023-02-15 02:14:09,368 INFO L226 Difference]: Without dead ends: 86 [2023-02-15 02:14:09,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2023-02-15 02:14:09,368 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:09,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 516 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:09,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-15 02:14:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2023-02-15 02:14:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.144736842105263) internal successors, (87), 82 states have internal predecessors, (87), 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 02:14:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-15 02:14:09,370 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 34 [2023-02-15 02:14:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:09,370 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-15 02:14:09,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 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 02:14:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-15 02:14:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-15 02:14:09,370 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:09,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:09,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-02-15 02:14:09,371 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1767654120, now seen corresponding path program 1 times [2023-02-15 02:14:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:09,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823078446] [2023-02-15 02:14:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:09,733 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 02:14:09,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823078446] [2023-02-15 02:14:09,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823078446] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:09,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:09,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-15 02:14:09,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087096319] [2023-02-15 02:14:09,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:09,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-15 02:14:09,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:09,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-15 02:14:09,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2023-02-15 02:14:09,735 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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 02:14:09,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:09,935 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2023-02-15 02:14:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-15 02:14:09,936 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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 34 [2023-02-15 02:14:09,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:09,936 INFO L225 Difference]: With dead ends: 103 [2023-02-15 02:14:09,936 INFO L226 Difference]: Without dead ends: 81 [2023-02-15 02:14:09,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2023-02-15 02:14:09,937 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 40 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:09,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 445 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-02-15 02:14:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-02-15 02:14:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.135135135135135) internal successors, (84), 80 states have internal predecessors, (84), 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 02:14:09,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions. [2023-02-15 02:14:09,938 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 34 [2023-02-15 02:14:09,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:09,938 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions. [2023-02-15 02:14:09,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 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 02:14:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2023-02-15 02:14:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-15 02:14:09,939 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:09,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:09,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-02-15 02:14:09,939 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:09,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:09,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1945148898, now seen corresponding path program 1 times [2023-02-15 02:14:09,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:09,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395423755] [2023-02-15 02:14:09,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:09,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:14:10,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:10,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395423755] [2023-02-15 02:14:10,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395423755] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:10,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:10,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-15 02:14:10,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136855347] [2023-02-15 02:14:10,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:10,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-15 02:14:10,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:10,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-15 02:14:10,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2023-02-15 02:14:10,355 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 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 02:14:10,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:10,648 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2023-02-15 02:14:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-15 02:14:10,648 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 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 34 [2023-02-15 02:14:10,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:10,648 INFO L225 Difference]: With dead ends: 84 [2023-02-15 02:14:10,648 INFO L226 Difference]: Without dead ends: 83 [2023-02-15 02:14:10,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 02:14:10,650 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:10,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 493 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-15 02:14:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-02-15 02:14:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 79 states have internal predecessors, (83), 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 02:14:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2023-02-15 02:14:10,651 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 34 [2023-02-15 02:14:10,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:10,651 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2023-02-15 02:14:10,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 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 02:14:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2023-02-15 02:14:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 02:14:10,651 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:10,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:10,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-02-15 02:14:10,652 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:10,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1583546167, now seen corresponding path program 1 times [2023-02-15 02:14:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503586171] [2023-02-15 02:14:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:11,064 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 02:14:11,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:11,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503586171] [2023-02-15 02:14:11,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503586171] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:11,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:11,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-15 02:14:11,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377632490] [2023-02-15 02:14:11,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:11,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-15 02:14:11,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:11,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-15 02:14:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2023-02-15 02:14:11,066 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 02:14:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:11,315 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2023-02-15 02:14:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-15 02:14:11,315 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 35 [2023-02-15 02:14:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:11,316 INFO L225 Difference]: With dead ends: 83 [2023-02-15 02:14:11,316 INFO L226 Difference]: Without dead ends: 82 [2023-02-15 02:14:11,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 02:14:11,316 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 65 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:11,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 377 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-02-15 02:14:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-02-15 02:14:11,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 76 states have (on average 1.118421052631579) internal successors, (85), 81 states have internal predecessors, (85), 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 02:14:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2023-02-15 02:14:11,318 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 35 [2023-02-15 02:14:11,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:11,318 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2023-02-15 02:14:11,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 02:14:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2023-02-15 02:14:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 02:14:11,318 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:11,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:11,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-02-15 02:14:11,319 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:11,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:11,319 INFO L85 PathProgramCache]: Analyzing trace with hash 170067893, now seen corresponding path program 1 times [2023-02-15 02:14:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:11,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239286483] [2023-02-15 02:14:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:11,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:11,764 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 02:14:11,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:11,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239286483] [2023-02-15 02:14:11,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239286483] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:11,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:11,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-15 02:14:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139029345] [2023-02-15 02:14:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:11,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-15 02:14:11,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:11,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-15 02:14:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2023-02-15 02:14:11,765 INFO L87 Difference]: Start difference. First operand 82 states and 85 transitions. Second operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 02:14:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:12,015 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2023-02-15 02:14:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-15 02:14:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 35 [2023-02-15 02:14:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:12,016 INFO L225 Difference]: With dead ends: 93 [2023-02-15 02:14:12,016 INFO L226 Difference]: Without dead ends: 79 [2023-02-15 02:14:12,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2023-02-15 02:14:12,017 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:12,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 485 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 02:14:12,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-15 02:14:12,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-02-15 02:14:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 78 states have internal predecessors, (81), 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 02:14:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2023-02-15 02:14:12,018 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 35 [2023-02-15 02:14:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:12,018 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2023-02-15 02:14:12,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 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 02:14:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2023-02-15 02:14:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 02:14:12,018 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:12,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:12,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-02-15 02:14:12,019 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:12,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash 170073851, now seen corresponding path program 1 times [2023-02-15 02:14:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:12,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396795095] [2023-02-15 02:14:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:12,050 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 02:14:12,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:12,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396795095] [2023-02-15 02:14:12,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396795095] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:12,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:12,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 02:14:12,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517579461] [2023-02-15 02:14:12,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:12,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 02:14:12,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 02:14:12,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:12,051 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 02:14:12,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:12,084 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2023-02-15 02:14:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 02:14:12,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-02-15 02:14:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:12,085 INFO L225 Difference]: With dead ends: 79 [2023-02-15 02:14:12,085 INFO L226 Difference]: Without dead ends: 78 [2023-02-15 02:14:12,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 02:14:12,086 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:12,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 02:14:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-02-15 02:14:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-02-15 02:14:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 77 states have internal predecessors, (80), 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 02:14:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2023-02-15 02:14:12,087 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 35 [2023-02-15 02:14:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2023-02-15 02:14:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 02:14:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2023-02-15 02:14:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-15 02:14:12,088 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:12,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:12,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-02-15 02:14:12,088 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:12,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1770415762, now seen corresponding path program 1 times [2023-02-15 02:14:12,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:12,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211752808] [2023-02-15 02:14:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:12,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:14:12,948 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 02:14:12,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 02:14:12,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211752808] [2023-02-15 02:14:12,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211752808] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 02:14:12,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 02:14:12,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-02-15 02:14:12,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666730111] [2023-02-15 02:14:12,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 02:14:12,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-15 02:14:12,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 02:14:12,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-15 02:14:12,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2023-02-15 02:14:12,950 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:13,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 02:14:13,739 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2023-02-15 02:14:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-15 02:14:13,740 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-02-15 02:14:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 02:14:13,740 INFO L225 Difference]: With dead ends: 96 [2023-02-15 02:14:13,741 INFO L226 Difference]: Without dead ends: 95 [2023-02-15 02:14:13,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=364, Invalid=2186, Unknown=0, NotChecked=0, Total=2550 [2023-02-15 02:14:13,742 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 102 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 02:14:13,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 245 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 02:14:13,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-15 02:14:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2023-02-15 02:14:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 81 states have internal predecessors, (85), 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 02:14:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2023-02-15 02:14:13,744 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 39 [2023-02-15 02:14:13,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 02:14:13,744 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2023-02-15 02:14:13,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:14:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2023-02-15 02:14:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-15 02:14:13,745 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 02:14:13,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:13,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-02-15 02:14:13,745 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-15 02:14:13,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:14:13,745 INFO L85 PathProgramCache]: Analyzing trace with hash -176075104, now seen corresponding path program 1 times [2023-02-15 02:14:13,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:14:13,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436994184] [2023-02-15 02:14:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:14:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:14:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:14:13,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:14:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:14:13,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:14:13,807 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 02:14:13,807 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2023-02-15 02:14:13,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2023-02-15 02:14:13,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2023-02-15 02:14:13,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2023-02-15 02:14:13,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2023-02-15 02:14:13,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2023-02-15 02:14:13,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2023-02-15 02:14:13,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2023-02-15 02:14:13,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 36 remaining) [2023-02-15 02:14:13,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2023-02-15 02:14:13,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2023-02-15 02:14:13,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2023-02-15 02:14:13,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2023-02-15 02:14:13,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-02-15 02:14:13,817 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:13,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 02:14:13,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:14:13 BoogieIcfgContainer [2023-02-15 02:14:13,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 02:14:13,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:14:13,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:14:13,850 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:14:13,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:13:57" (3/4) ... [2023-02-15 02:14:13,852 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 02:14:13,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 02:14:13,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:14:13,882 INFO L158 Benchmark]: Toolchain (without parser) took 17026.37ms. Allocated memory was 125.8MB in the beginning and 318.8MB in the end (delta: 192.9MB). Free memory was 83.4MB in the beginning and 206.8MB in the end (delta: -123.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,882 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:14:13,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.60ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 66.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.90ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 64.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,882 INFO L158 Benchmark]: Boogie Preprocessor took 42.87ms. Allocated memory is still 125.8MB. Free memory was 64.2MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,883 INFO L158 Benchmark]: RCFGBuilder took 503.50ms. Allocated memory is still 125.8MB. Free memory was 62.7MB in the beginning and 87.3MB in the end (delta: -24.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,883 INFO L158 Benchmark]: TraceAbstraction took 16136.62ms. Allocated memory was 125.8MB in the beginning and 318.8MB in the end (delta: 192.9MB). Free memory was 86.5MB in the beginning and 211.0MB in the end (delta: -124.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,883 INFO L158 Benchmark]: Witness Printer took 31.48ms. Allocated memory is still 318.8MB. Free memory was 211.0MB in the beginning and 206.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-15 02:14:13,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.60ms. Allocated memory is still 125.8MB. Free memory was 83.2MB in the beginning and 66.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.90ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 64.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.87ms. Allocated memory is still 125.8MB. Free memory was 64.2MB in the beginning and 62.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.50ms. Allocated memory is still 125.8MB. Free memory was 62.7MB in the beginning and 87.3MB in the end (delta: -24.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 16136.62ms. Allocated memory was 125.8MB in the beginning and 318.8MB in the end (delta: 192.9MB). Free memory was 86.5MB in the beginning and 211.0MB in the end (delta: -124.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Witness Printer took 31.48ms. Allocated memory is still 318.8MB. Free memory was 211.0MB in the beginning and 206.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 601]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 VAL [__builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L560] EXPR \read(*x) VAL [\read(*x)=-1, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L560] COND FALSE !(*x > 0) [L563] EXPR \read(*x) [L563] (*x)-- [L565] EXPR \read(*x) VAL [\read(*x)=-2, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L565] COND FALSE !(*x > 0) [L568] EXPR \read(*x) [L568] (*x)-- [L570] EXPR \read(*x) VAL [\read(*x)=-3, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L570] COND FALSE !(*x > 0) [L573] EXPR \read(*x) [L573] (*x)-- [L575] EXPR \read(*x) VAL [\read(*x)=-4, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L575] COND FALSE !(*x > 0) [L578] EXPR \read(*x) [L578] (*x)-- [L580] EXPR \read(*x) VAL [\read(*x)=-5, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L580] COND FALSE !(*x > 0) [L583] EXPR \read(*x) [L583] (*x)-- [L585] EXPR \read(*x) VAL [\read(*x)=-6, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L585] COND FALSE !(*x > 0) [L588] EXPR \read(*x) [L588] (*x)-- [L590] EXPR \read(*x) VAL [\read(*x)=-7, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L590] COND FALSE !(*x > 0) [L593] EXPR \read(*x) [L593] (*x)-- [L595] EXPR \read(*x) VAL [\read(*x)=-8, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L595] COND FALSE !(*x > 0) [L598] EXPR \read(*x) [L598] (*x)-- [L600] EXPR \read(*y) [L600] *y < 100 && *z < 100 [L600] EXPR \read(*z) [L600] *y < 100 && *z < 100 VAL [*y < 100 && *z < 100=1, \read(*y)=-2147483640, \read(*z)=-9, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L600] COND TRUE *y < 100 && *z < 100 [L601] EXPR \read(*y) [L601] EXPR \read(*x) VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L601] *y + *x VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={3:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 601]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 51, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 777 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 777 mSDsluCounter, 17961 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14205 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11917 IncrementalHoareTripleChecker+Invalid, 12006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 3756 mSDtfsCounter, 11917 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 636 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2192 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 537, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 50 MinimizatonAttempts, 73 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1007 ConstructedInterpolants, 0 QuantifiedInterpolants, 5021 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 50 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-15 02:14:13,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)