./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3dbbec33 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/recursive/recHanoi01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3dbbec3 [2023-02-14 14:09:07,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:09:07,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:09:07,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:09:07,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:09:07,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:09:07,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:09:07,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:09:07,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:09:07,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:09:07,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:09:07,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:09:07,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:09:07,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:09:07,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:09:07,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:09:07,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:09:07,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:09:07,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:09:07,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:09:07,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:09:07,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:09:07,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:09:07,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:09:07,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:09:07,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:09:07,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:09:07,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:09:07,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:09:07,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:09:07,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:09:07,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:09:07,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:09:07,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:09:07,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:09:07,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:09:07,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:09:07,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:09:07,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:09:07,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:09:07,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:09:07,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 14:09:07,500 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:09:07,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:09:07,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:09:07,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:09:07,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:09:07,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:09:07,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:09:07,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:09:07,505 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:09:07,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:09:07,506 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 14:09:07,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:09:07,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:09:07,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 14:09:07,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 14:09:07,507 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:09:07,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 14:09:07,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:09:07,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:09:07,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:09:07,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:09:07,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 14:09:07,509 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:09:07,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:09:07,510 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:09:07,510 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-14 14:09:07,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:09:07,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:09:07,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:09:07,729 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:09:07,729 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:09:07,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 14:09:08,658 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:09:08,777 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:09:08,777 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 14:09:08,781 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e50bd27b/ab3aebbc5ee441bca68e89e8b9b94626/FLAGca103e435 [2023-02-14 14:09:08,794 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e50bd27b/ab3aebbc5ee441bca68e89e8b9b94626 [2023-02-14 14:09:08,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:09:08,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:09:08,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:09:08,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:09:08,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:09:08,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cda166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08, skipping insertion in model container [2023-02-14 14:09:08,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:09:08,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:09:08,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-14 14:09:08,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:09:08,922 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 14:09:08,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-14 14:09:08,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:09:08,940 INFO L208 MainTranslator]: Completed translation [2023-02-14 14:09:08,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08 WrapperNode [2023-02-14 14:09:08,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:09:08,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 14:09:08,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 14:09:08,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 14:09:08,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,959 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-14 14:09:08,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 14:09:08,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 14:09:08,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 14:09:08,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 14:09:08,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 14:09:08,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 14:09:08,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 14:09:08,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 14:09:08,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (1/1) ... [2023-02-14 14:09:08,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:09:08,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:08,990 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) [2023-02-14 14:09:09,009 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 [2023-02-14 14:09:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 14:09:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-14 14:09:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-14 14:09:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-14 14:09:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-14 14:09:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 14:09:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 14:09:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 14:09:09,065 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 14:09:09,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 14:09:09,191 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 14:09:09,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 14:09:09,208 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 14:09:09,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:09:09 BoogieIcfgContainer [2023-02-14 14:09:09,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 14:09:09,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 14:09:09,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 14:09:09,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 14:09:09,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:09:08" (1/3) ... [2023-02-14 14:09:09,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe44144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:09:09, skipping insertion in model container [2023-02-14 14:09:09,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:09:08" (2/3) ... [2023-02-14 14:09:09,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe44144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:09:09, skipping insertion in model container [2023-02-14 14:09:09,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:09:09" (3/3) ... [2023-02-14 14:09:09,214 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-14 14:09:09,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 14:09:09,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-14 14:09:09,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 14:09:09,293 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;@246f9a57, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 14:09:09,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-14 14:09:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 14:09:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 14:09:09,312 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:09,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:09,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:09,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:09,320 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2023-02-14 14:09:09,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:09,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735625377] [2023-02-14 14:09:09,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:09,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:09,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735625377] [2023-02-14 14:09:09,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735625377] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:09,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:09:09,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:09:09,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814021809] [2023-02-14 14:09:09,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:09,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 14:09:09,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:09,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 14:09:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:09:09,575 INFO L87 Difference]: Start difference. First operand has 47 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:09,642 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2023-02-14 14:09:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:09:09,646 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-14 14:09:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:09,650 INFO L225 Difference]: With dead ends: 83 [2023-02-14 14:09:09,650 INFO L226 Difference]: Without dead ends: 66 [2023-02-14 14:09:09,652 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 [2023-02-14 14:09:09,654 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:09,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-14 14:09:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2023-02-14 14:09:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-14 14:09:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2023-02-14 14:09:09,689 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2023-02-14 14:09:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:09,689 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-02-14 14:09:09,689 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-02-14 14:09:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:09:09,690 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:09,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:09,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 14:09:09,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:09,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:09,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2023-02-14 14:09:09,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:09,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309900453] [2023-02-14 14:09:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:09,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:09,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309900453] [2023-02-14 14:09:09,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309900453] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:09,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:09:09,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:09:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398054484] [2023-02-14 14:09:09,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:09,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:09:09,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:09,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:09:09,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:09:09,785 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:09,844 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2023-02-14 14:09:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:09:09,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:09:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:09,845 INFO L225 Difference]: With dead ends: 78 [2023-02-14 14:09:09,845 INFO L226 Difference]: Without dead ends: 55 [2023-02-14 14:09:09,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:09:09,846 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 18 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:09,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 140 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:09,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-14 14:09:09,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2023-02-14 14:09:09,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 44 states have internal predecessors, (47), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-14 14:09:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-02-14 14:09:09,870 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2023-02-14 14:09:09,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:09,871 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-02-14 14:09:09,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-02-14 14:09:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-14 14:09:09,872 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:09,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:09,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 14:09:09,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:09,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:09,875 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2023-02-14 14:09:09,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:09,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039393386] [2023-02-14 14:09:09,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:09,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:09,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039393386] [2023-02-14 14:09:09,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039393386] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:09,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:09:09,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:09:09,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008786344] [2023-02-14 14:09:09,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:09,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:09:09,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:09:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:09:09,928 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:09,971 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2023-02-14 14:09:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:09:09,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-02-14 14:09:09,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:09,972 INFO L225 Difference]: With dead ends: 53 [2023-02-14 14:09:09,972 INFO L226 Difference]: Without dead ends: 51 [2023-02-14 14:09:09,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:09:09,973 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:09,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 100 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-02-14 14:09:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-02-14 14:09:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-14 14:09:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2023-02-14 14:09:09,979 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2023-02-14 14:09:09,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:09,979 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2023-02-14 14:09:09,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-02-14 14:09:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-14 14:09:09,980 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:09,980 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:09,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 14:09:09,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:09,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2023-02-14 14:09:09,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:09,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877185562] [2023-02-14 14:09:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:10,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:10,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877185562] [2023-02-14 14:09:10,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877185562] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:10,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72249466] [2023-02-14 14:09:10,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:10,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:10,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:10,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:10,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 14:09:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:10,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:09:10,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:10,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:09:10,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72249466] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:10,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 14:09:10,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-02-14 14:09:10,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854618619] [2023-02-14 14:09:10,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:10,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:09:10,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:10,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:09:10,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-14 14:09:10,194 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:10,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:10,225 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2023-02-14 14:09:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:09:10,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-14 14:09:10,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:10,227 INFO L225 Difference]: With dead ends: 51 [2023-02-14 14:09:10,227 INFO L226 Difference]: Without dead ends: 50 [2023-02-14 14:09:10,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-02-14 14:09:10,231 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 38 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:10,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:10,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-14 14:09:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-02-14 14:09:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-14 14:09:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-02-14 14:09:10,245 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2023-02-14 14:09:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:10,245 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-02-14 14:09:10,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-02-14 14:09:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:09:10,246 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:10,246 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:10,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-14 14:09:10,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:10,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:10,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2023-02-14 14:09:10,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:10,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571385943] [2023-02-14 14:09:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:10,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:10,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571385943] [2023-02-14 14:09:10,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571385943] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:10,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414513805] [2023-02-14 14:09:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:10,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:10,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:10,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 14:09:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:10,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-14 14:09:10,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:10,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:10,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414513805] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:10,687 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:10,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-14 14:09:10,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609182054] [2023-02-14 14:09:10,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:10,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:09:10,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:10,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:09:10,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:09:10,693 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:10,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:10,806 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2023-02-14 14:09:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-14 14:09:10,806 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-14 14:09:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:10,808 INFO L225 Difference]: With dead ends: 157 [2023-02-14 14:09:10,808 INFO L226 Difference]: Without dead ends: 156 [2023-02-14 14:09:10,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-02-14 14:09:10,809 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 154 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:10,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 343 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:09:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-14 14:09:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2023-02-14 14:09:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.3) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2023-02-14 14:09:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2023-02-14 14:09:10,833 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2023-02-14 14:09:10,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:10,834 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2023-02-14 14:09:10,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2023-02-14 14:09:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 14:09:10,834 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:10,834 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:10,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:11,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:11,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:11,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:11,038 INFO L85 PathProgramCache]: Analyzing trace with hash -761944091, now seen corresponding path program 1 times [2023-02-14 14:09:11,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:11,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746310653] [2023-02-14 14:09:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:11,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:11,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746310653] [2023-02-14 14:09:11,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746310653] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:11,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436579761] [2023-02-14 14:09:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:11,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:11,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:11,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:11,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 14:09:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:09:11,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:11,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:11,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436579761] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:11,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:11,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-14 14:09:11,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629466625] [2023-02-14 14:09:11,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:11,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:09:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:11,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:09:11,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:09:11,202 INFO L87 Difference]: Start difference. First operand 89 states and 120 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:11,276 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2023-02-14 14:09:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 14:09:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-14 14:09:11,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:11,277 INFO L225 Difference]: With dead ends: 95 [2023-02-14 14:09:11,277 INFO L226 Difference]: Without dead ends: 93 [2023-02-14 14:09:11,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-02-14 14:09:11,278 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 48 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:11,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 172 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:11,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-14 14:09:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-14 14:09:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 73 states have internal predecessors, (75), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2023-02-14 14:09:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2023-02-14 14:09:11,299 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2023-02-14 14:09:11,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:11,299 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2023-02-14 14:09:11,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-02-14 14:09:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 14:09:11,300 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:11,300 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:11,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:11,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:11,507 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2023-02-14 14:09:11,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:11,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631173746] [2023-02-14 14:09:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:11,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:11,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631173746] [2023-02-14 14:09:11,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631173746] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:11,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:09:11,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-14 14:09:11,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673602457] [2023-02-14 14:09:11,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:11,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:09:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:09:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:09:11,568 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:09:11,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:11,640 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2023-02-14 14:09:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 14:09:11,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2023-02-14 14:09:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:11,645 INFO L225 Difference]: With dead ends: 113 [2023-02-14 14:09:11,645 INFO L226 Difference]: Without dead ends: 110 [2023-02-14 14:09:11,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-02-14 14:09:11,646 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 72 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:11,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 78 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:09:11,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-02-14 14:09:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2023-02-14 14:09:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2023-02-14 14:09:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2023-02-14 14:09:11,668 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2023-02-14 14:09:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:11,669 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2023-02-14 14:09:11,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:09:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2023-02-14 14:09:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-14 14:09:11,670 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:11,670 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:11,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 14:09:11,670 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:11,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2023-02-14 14:09:11,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:11,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078123163] [2023-02-14 14:09:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:11,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 14:09:11,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:11,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078123163] [2023-02-14 14:09:11,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078123163] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:11,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740508071] [2023-02-14 14:09:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:11,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:11,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:11,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 14:09:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:11,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 14:09:11,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:11,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:09:11,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740508071] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:11,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 14:09:11,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2023-02-14 14:09:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956421721] [2023-02-14 14:09:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:11,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:09:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:09:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-02-14 14:09:11,837 INFO L87 Difference]: Start difference. First operand 103 states and 135 transitions. Second operand has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:09:11,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:11,864 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2023-02-14 14:09:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:09:11,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-02-14 14:09:11,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:11,866 INFO L225 Difference]: With dead ends: 103 [2023-02-14 14:09:11,866 INFO L226 Difference]: Without dead ends: 102 [2023-02-14 14:09:11,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-02-14 14:09:11,868 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:11,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 96 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:11,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-14 14:09:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-02-14 14:09:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 80 states have internal predecessors, (86), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2023-02-14 14:09:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2023-02-14 14:09:11,876 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2023-02-14 14:09:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:11,877 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2023-02-14 14:09:11,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:09:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2023-02-14 14:09:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-14 14:09:11,882 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:11,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:11,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:12,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:12,089 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:12,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:12,090 INFO L85 PathProgramCache]: Analyzing trace with hash 185702253, now seen corresponding path program 1 times [2023-02-14 14:09:12,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:12,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406425726] [2023-02-14 14:09:12,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:12,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:12,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:12,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406425726] [2023-02-14 14:09:12,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406425726] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:12,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261347127] [2023-02-14 14:09:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:12,161 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:12,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 14:09:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:09:12,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:12,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:12,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261347127] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:12,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:12,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-02-14 14:09:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150587214] [2023-02-14 14:09:12,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:12,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-14 14:09:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:12,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-14 14:09:12,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-02-14 14:09:12,277 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:09:12,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:12,505 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2023-02-14 14:09:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-14 14:09:12,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33 [2023-02-14 14:09:12,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:12,507 INFO L225 Difference]: With dead ends: 163 [2023-02-14 14:09:12,507 INFO L226 Difference]: Without dead ends: 162 [2023-02-14 14:09:12,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2023-02-14 14:09:12,508 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 235 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:12,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 132 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:09:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-02-14 14:09:12,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2023-02-14 14:09:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2023-02-14 14:09:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2023-02-14 14:09:12,516 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2023-02-14 14:09:12,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:12,516 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2023-02-14 14:09:12,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:09:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2023-02-14 14:09:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 14:09:12,517 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:12,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:12,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:12,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:12,722 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:12,722 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2023-02-14 14:09:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:12,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657962421] [2023-02-14 14:09:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:12,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-14 14:09:12,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:12,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657962421] [2023-02-14 14:09:12,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657962421] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:12,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:09:12,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-14 14:09:12,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608867385] [2023-02-14 14:09:12,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:12,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:09:12,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:12,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:09:12,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:09:12,776 INFO L87 Difference]: Start difference. First operand 138 states and 184 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-14 14:09:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:12,830 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2023-02-14 14:09:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:09:12,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2023-02-14 14:09:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:12,832 INFO L225 Difference]: With dead ends: 175 [2023-02-14 14:09:12,832 INFO L226 Difference]: Without dead ends: 164 [2023-02-14 14:09:12,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-02-14 14:09:12,832 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 52 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:12,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 85 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-02-14 14:09:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-02-14 14:09:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.224) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2023-02-14 14:09:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2023-02-14 14:09:12,840 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2023-02-14 14:09:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:12,840 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2023-02-14 14:09:12,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-14 14:09:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2023-02-14 14:09:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 14:09:12,841 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:12,841 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-14 14:09:12,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-14 14:09:12,841 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1870230916, now seen corresponding path program 2 times [2023-02-14 14:09:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:12,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574551603] [2023-02-14 14:09:12,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:12,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:12,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:12,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574551603] [2023-02-14 14:09:12,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574551603] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:12,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411726542] [2023-02-14 14:09:12,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:09:12,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:12,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:12,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:12,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 14:09:13,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:09:13,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:13,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-14 14:09:13,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:13,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:13,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411726542] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:13,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:13,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2023-02-14 14:09:13,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464377394] [2023-02-14 14:09:13,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:13,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 14:09:13,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:13,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 14:09:13,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:09:13,201 INFO L87 Difference]: Start difference. First operand 164 states and 210 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:13,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:13,534 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2023-02-14 14:09:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-14 14:09:13,535 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-02-14 14:09:13,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:13,541 INFO L225 Difference]: With dead ends: 1095 [2023-02-14 14:09:13,541 INFO L226 Difference]: Without dead ends: 1094 [2023-02-14 14:09:13,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2023-02-14 14:09:13,543 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 571 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:13,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 577 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:09:13,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-02-14 14:09:13,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2023-02-14 14:09:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2023-02-14 14:09:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2023-02-14 14:09:13,577 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2023-02-14 14:09:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:13,577 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2023-02-14 14:09:13,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2023-02-14 14:09:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-14 14:09:13,579 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:13,579 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:13,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:13,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:13,785 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:13,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1922767742, now seen corresponding path program 2 times [2023-02-14 14:09:13,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:13,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656440334] [2023-02-14 14:09:13,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:13,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 14:09:13,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:13,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656440334] [2023-02-14 14:09:13,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656440334] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:13,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154204685] [2023-02-14 14:09:13,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:09:13,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:13,954 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:13,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-14 14:09:13,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:09:13,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:13,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 14:09:13,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:14,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-14 14:09:14,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154204685] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:14,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:14,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2023-02-14 14:09:14,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363642537] [2023-02-14 14:09:14,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:14,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-14 14:09:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-14 14:09:14,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2023-02-14 14:09:14,187 INFO L87 Difference]: Start difference. First operand 266 states and 435 transitions. Second operand has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2023-02-14 14:09:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:14,925 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2023-02-14 14:09:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-02-14 14:09:14,925 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 48 [2023-02-14 14:09:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:14,927 INFO L225 Difference]: With dead ends: 421 [2023-02-14 14:09:14,927 INFO L226 Difference]: Without dead ends: 420 [2023-02-14 14:09:14,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=841, Invalid=3191, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 14:09:14,929 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 748 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:14,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 96 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 14:09:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-02-14 14:09:14,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2023-02-14 14:09:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 293 states have (on average 1.2184300341296928) internal successors, (357), 306 states have internal predecessors, (357), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2023-02-14 14:09:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2023-02-14 14:09:14,967 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2023-02-14 14:09:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:14,967 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2023-02-14 14:09:14,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2023-02-14 14:09:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2023-02-14 14:09:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-14 14:09:14,968 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:14,968 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:14,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:15,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:15,173 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:15,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:15,174 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2023-02-14 14:09:15,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:15,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443934480] [2023-02-14 14:09:15,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:15,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 14:09:15,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:15,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443934480] [2023-02-14 14:09:15,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443934480] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:15,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635863578] [2023-02-14 14:09:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:15,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:15,337 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:15,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-14 14:09:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:15,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 14:09:15,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-14 14:09:15,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 14:09:15,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635863578] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:15,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:15,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2023-02-14 14:09:15,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402650027] [2023-02-14 14:09:15,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:15,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-02-14 14:09:15,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:15,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-02-14 14:09:15,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-02-14 14:09:15,719 INFO L87 Difference]: Start difference. First operand 380 states and 579 transitions. Second operand has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2023-02-14 14:09:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:16,129 INFO L93 Difference]: Finished difference Result 1032 states and 1755 transitions. [2023-02-14 14:09:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 14:09:16,130 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) Word has length 48 [2023-02-14 14:09:16,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:16,133 INFO L225 Difference]: With dead ends: 1032 [2023-02-14 14:09:16,133 INFO L226 Difference]: Without dead ends: 678 [2023-02-14 14:09:16,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=1678, Unknown=0, NotChecked=0, Total=1980 [2023-02-14 14:09:16,138 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 164 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:16,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 160 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:09:16,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-02-14 14:09:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 644. [2023-02-14 14:09:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 498 states have (on average 1.1907630522088353) internal successors, (593), 508 states have internal predecessors, (593), 91 states have call successors, (91), 52 states have call predecessors, (91), 49 states have return successors, (238), 83 states have call predecessors, (238), 70 states have call successors, (238) [2023-02-14 14:09:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2023-02-14 14:09:16,177 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 48 [2023-02-14 14:09:16,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:16,177 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2023-02-14 14:09:16,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2023-02-14 14:09:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2023-02-14 14:09:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 14:09:16,179 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:16,179 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:16,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:16,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-14 14:09:16,384 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash -976476894, now seen corresponding path program 3 times [2023-02-14 14:09:16,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:16,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017632539] [2023-02-14 14:09:16,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:16,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 14:09:16,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:16,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017632539] [2023-02-14 14:09:16,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017632539] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:16,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172330951] [2023-02-14 14:09:16,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:09:16,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:16,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:16,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:16,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-14 14:09:16,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-14 14:09:16,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:16,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-14 14:09:16,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-02-14 14:09:16,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-02-14 14:09:16,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172330951] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:16,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:16,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 8, 9] total 37 [2023-02-14 14:09:16,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236413166] [2023-02-14 14:09:16,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:16,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-02-14 14:09:16,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:16,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-02-14 14:09:16,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1115, Unknown=0, NotChecked=0, Total=1332 [2023-02-14 14:09:16,953 INFO L87 Difference]: Start difference. First operand 644 states and 922 transitions. Second operand has 37 states, 35 states have (on average 2.4) internal successors, (84), 22 states have internal predecessors, (84), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-14 14:09:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:17,860 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2023-02-14 14:09:17,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-14 14:09:17,860 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 35 states have (on average 2.4) internal successors, (84), 22 states have internal predecessors, (84), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 78 [2023-02-14 14:09:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:17,863 INFO L225 Difference]: With dead ends: 879 [2023-02-14 14:09:17,864 INFO L226 Difference]: Without dead ends: 713 [2023-02-14 14:09:17,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1120, Invalid=4732, Unknown=0, NotChecked=0, Total=5852 [2023-02-14 14:09:17,865 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 900 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:17,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 88 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 14:09:17,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-02-14 14:09:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 667. [2023-02-14 14:09:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 521 states have (on average 1.1880998080614202) internal successors, (619), 521 states have internal predecessors, (619), 90 states have call successors, (90), 61 states have call predecessors, (90), 50 states have return successors, (222), 84 states have call predecessors, (222), 70 states have call successors, (222) [2023-02-14 14:09:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 931 transitions. [2023-02-14 14:09:17,896 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 931 transitions. Word has length 78 [2023-02-14 14:09:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:17,897 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 931 transitions. [2023-02-14 14:09:17,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 35 states have (on average 2.4) internal successors, (84), 22 states have internal predecessors, (84), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-14 14:09:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 931 transitions. [2023-02-14 14:09:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 14:09:17,899 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:17,899 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-14 14:09:17,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:18,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-14 14:09:18,105 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:18,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:18,105 INFO L85 PathProgramCache]: Analyzing trace with hash 704150748, now seen corresponding path program 3 times [2023-02-14 14:09:18,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:18,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407348505] [2023-02-14 14:09:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:18,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:18,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407348505] [2023-02-14 14:09:18,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407348505] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:18,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612593592] [2023-02-14 14:09:18,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:09:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:18,578 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:18,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-14 14:09:18,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 14:09:18,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:18,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-14 14:09:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:18,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:19,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612593592] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:19,186 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:19,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2023-02-14 14:09:19,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285348839] [2023-02-14 14:09:19,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:19,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-14 14:09:19,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:19,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-14 14:09:19,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 14:09:19,188 INFO L87 Difference]: Start difference. First operand 667 states and 931 transitions. Second operand has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:20,453 INFO L93 Difference]: Finished difference Result 5814 states and 8063 transitions. [2023-02-14 14:09:20,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-14 14:09:20,454 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-02-14 14:09:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:20,471 INFO L225 Difference]: With dead ends: 5814 [2023-02-14 14:09:20,471 INFO L226 Difference]: Without dead ends: 5733 [2023-02-14 14:09:20,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2023-02-14 14:09:20,477 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1400 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 581 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:20,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 1078 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [581 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 14:09:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2023-02-14 14:09:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 1256. [2023-02-14 14:09:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 965 states have (on average 1.1398963730569949) internal successors, (1100), 964 states have internal predecessors, (1100), 198 states have call successors, (198), 121 states have call predecessors, (198), 87 states have return successors, (1183), 170 states have call predecessors, (1183), 154 states have call successors, (1183) [2023-02-14 14:09:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2481 transitions. [2023-02-14 14:09:20,598 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2481 transitions. Word has length 78 [2023-02-14 14:09:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:20,598 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 2481 transitions. [2023-02-14 14:09:20,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2481 transitions. [2023-02-14 14:09:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-14 14:09:20,601 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:20,602 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:20,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:20,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-14 14:09:20,806 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash 672059117, now seen corresponding path program 4 times [2023-02-14 14:09:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:20,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524066115] [2023-02-14 14:09:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 356 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-02-14 14:09:21,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:21,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524066115] [2023-02-14 14:09:21,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524066115] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:21,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10194975] [2023-02-14 14:09:21,256 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:09:21,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:21,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:21,257 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:21,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-14 14:09:21,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:09:21,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:21,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-14 14:09:21,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 53 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-02-14 14:09:21,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-02-14 14:09:21,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10194975] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:21,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:21,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2023-02-14 14:09:21,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790772296] [2023-02-14 14:09:21,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:21,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-14 14:09:21,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:21,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-14 14:09:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2023-02-14 14:09:21,616 INFO L87 Difference]: Start difference. First operand 1256 states and 2481 transitions. Second operand has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-14 14:09:22,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:22,136 INFO L93 Difference]: Finished difference Result 2311 states and 5079 transitions. [2023-02-14 14:09:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-14 14:09:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 115 [2023-02-14 14:09:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:22,142 INFO L225 Difference]: With dead ends: 2311 [2023-02-14 14:09:22,142 INFO L226 Difference]: Without dead ends: 1090 [2023-02-14 14:09:22,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 14:09:22,151 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 200 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:22,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 146 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:09:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-02-14 14:09:22,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 957. [2023-02-14 14:09:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 733 states have (on average 1.1077762619372442) internal successors, (812), 716 states have internal predecessors, (812), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2023-02-14 14:09:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1431 transitions. [2023-02-14 14:09:22,203 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1431 transitions. Word has length 115 [2023-02-14 14:09:22,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:22,203 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1431 transitions. [2023-02-14 14:09:22,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-14 14:09:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1431 transitions. [2023-02-14 14:09:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-14 14:09:22,204 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:22,205 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:22,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:22,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-14 14:09:22,422 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1192003213, now seen corresponding path program 2 times [2023-02-14 14:09:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:22,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203077737] [2023-02-14 14:09:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:09:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:09:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-02-14 14:09:22,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:22,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203077737] [2023-02-14 14:09:22,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203077737] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:22,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697937371] [2023-02-14 14:09:22,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:09:22,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:22,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:22,583 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:22,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-14 14:09:22,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:09:22,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:22,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 14:09:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-14 14:09:22,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:09:22,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697937371] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:09:22,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 14:09:22,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-02-14 14:09:22,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093246194] [2023-02-14 14:09:22,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:09:22,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:09:22,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:22,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:09:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-02-14 14:09:22,708 INFO L87 Difference]: Start difference. First operand 957 states and 1431 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-02-14 14:09:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:22,747 INFO L93 Difference]: Finished difference Result 957 states and 1431 transitions. [2023-02-14 14:09:22,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:09:22,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 144 [2023-02-14 14:09:22,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:22,765 INFO L225 Difference]: With dead ends: 957 [2023-02-14 14:09:22,765 INFO L226 Difference]: Without dead ends: 955 [2023-02-14 14:09:22,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-02-14 14:09:22,766 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:22,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 87 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:09:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-02-14 14:09:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2023-02-14 14:09:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 733 states have (on average 1.0750341064120055) internal successors, (788), 714 states have internal predecessors, (788), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2023-02-14 14:09:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1407 transitions. [2023-02-14 14:09:22,809 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1407 transitions. Word has length 144 [2023-02-14 14:09:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:22,809 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1407 transitions. [2023-02-14 14:09:22,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-02-14 14:09:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1407 transitions. [2023-02-14 14:09:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-02-14 14:09:22,812 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:22,812 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:22,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:23,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-14 14:09:23,018 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:23,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:23,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2023-02-14 14:09:23,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:23,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669840143] [2023-02-14 14:09:23,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:09:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:09:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-02-14 14:09:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:23,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669840143] [2023-02-14 14:09:23,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669840143] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:23,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372058618] [2023-02-14 14:09:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:23,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:23,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:23,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-14 14:09:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 14:09:23,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-14 14:09:23,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-14 14:09:23,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372058618] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:23,403 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:23,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-02-14 14:09:23,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846714777] [2023-02-14 14:09:23,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:23,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-14 14:09:23,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-14 14:09:23,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-02-14 14:09:23,405 INFO L87 Difference]: Start difference. First operand 955 states and 1407 transitions. Second operand has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2023-02-14 14:09:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:23,535 INFO L93 Difference]: Finished difference Result 1178 states and 1690 transitions. [2023-02-14 14:09:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 14:09:23,536 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) Word has length 145 [2023-02-14 14:09:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:23,540 INFO L225 Difference]: With dead ends: 1178 [2023-02-14 14:09:23,540 INFO L226 Difference]: Without dead ends: 1113 [2023-02-14 14:09:23,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-02-14 14:09:23,541 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 77 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:23,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 165 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:09:23,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-02-14 14:09:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2023-02-14 14:09:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 868 states have (on average 1.0460829493087558) internal successors, (908), 845 states have internal predecessors, (908), 124 states have call successors, (124), 94 states have call predecessors, (124), 119 states have return successors, (522), 173 states have call predecessors, (522), 123 states have call successors, (522) [2023-02-14 14:09:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1554 transitions. [2023-02-14 14:09:23,587 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1554 transitions. Word has length 145 [2023-02-14 14:09:23,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:23,587 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1554 transitions. [2023-02-14 14:09:23,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2023-02-14 14:09:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1554 transitions. [2023-02-14 14:09:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-02-14 14:09:23,590 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:23,590 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:09:23,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:23,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-14 14:09:23,795 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:23,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 907143385, now seen corresponding path program 2 times [2023-02-14 14:09:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:23,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510187812] [2023-02-14 14:09:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:09:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:09:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:09:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:09:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:09:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:09:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:09:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 5 proven. 62 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2023-02-14 14:09:24,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:24,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510187812] [2023-02-14 14:09:24,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510187812] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:24,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761642388] [2023-02-14 14:09:24,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:09:24,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:24,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:24,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:24,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-14 14:09:24,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:09:24,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:24,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-14 14:09:24,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-02-14 14:09:24,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-02-14 14:09:25,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761642388] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:25,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:25,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2023-02-14 14:09:25,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566861744] [2023-02-14 14:09:25,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:25,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-02-14 14:09:25,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:25,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-02-14 14:09:25,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2023-02-14 14:09:25,522 INFO L87 Difference]: Start difference. First operand 1113 states and 1554 transitions. Second operand has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2023-02-14 14:09:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:26,385 INFO L93 Difference]: Finished difference Result 1849 states and 2775 transitions. [2023-02-14 14:09:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-14 14:09:26,386 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) Word has length 181 [2023-02-14 14:09:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:26,392 INFO L225 Difference]: With dead ends: 1849 [2023-02-14 14:09:26,392 INFO L226 Difference]: Without dead ends: 1296 [2023-02-14 14:09:26,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 365 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=663, Invalid=4029, Unknown=0, NotChecked=0, Total=4692 [2023-02-14 14:09:26,395 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 298 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:26,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 193 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 14:09:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2023-02-14 14:09:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1230. [2023-02-14 14:09:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 953 states have (on average 1.0409233997901364) internal successors, (992), 929 states have internal predecessors, (992), 142 states have call successors, (142), 94 states have call predecessors, (142), 133 states have return successors, (660), 206 states have call predecessors, (660), 131 states have call successors, (660) [2023-02-14 14:09:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1794 transitions. [2023-02-14 14:09:26,450 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1794 transitions. Word has length 181 [2023-02-14 14:09:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:26,450 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1794 transitions. [2023-02-14 14:09:26,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2023-02-14 14:09:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1794 transitions. [2023-02-14 14:09:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-14 14:09:26,453 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:26,453 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-14 14:09:26,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:26,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:26,658 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:26,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:26,659 INFO L85 PathProgramCache]: Analyzing trace with hash 545487260, now seen corresponding path program 4 times [2023-02-14 14:09:26,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:26,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486790051] [2023-02-14 14:09:26,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:26,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486790051] [2023-02-14 14:09:28,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486790051] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819644621] [2023-02-14 14:09:28,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:09:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:28,056 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:28,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-14 14:09:28,161 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:09:28,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:28,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-14 14:09:28,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:28,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:29,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819644621] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:29,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:29,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2023-02-14 14:09:29,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313271309] [2023-02-14 14:09:29,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:29,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-14 14:09:29,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:29,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-14 14:09:29,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2023-02-14 14:09:29,748 INFO L87 Difference]: Start difference. First operand 1230 states and 1794 transitions. Second operand has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:09:33,105 INFO L93 Difference]: Finished difference Result 5679 states and 9178 transitions. [2023-02-14 14:09:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-14 14:09:33,106 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2023-02-14 14:09:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:09:33,133 INFO L225 Difference]: With dead ends: 5679 [2023-02-14 14:09:33,133 INFO L226 Difference]: Without dead ends: 5678 [2023-02-14 14:09:33,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2023-02-14 14:09:33,143 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2140 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 1939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1939 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-02-14 14:09:33,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 1901 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1939 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-02-14 14:09:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2023-02-14 14:09:33,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 2262. [2023-02-14 14:09:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1697 states have (on average 1.0371243370654095) internal successors, (1760), 1649 states have internal predecessors, (1760), 310 states have call successors, (310), 190 states have call predecessors, (310), 253 states have return successors, (3468), 422 states have call predecessors, (3468), 287 states have call successors, (3468) [2023-02-14 14:09:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 5538 transitions. [2023-02-14 14:09:33,332 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 5538 transitions. Word has length 162 [2023-02-14 14:09:33,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:09:33,332 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 5538 transitions. [2023-02-14 14:09:33,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:09:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 5538 transitions. [2023-02-14 14:09:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-02-14 14:09:33,354 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:09:33,354 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-02-14 14:09:33,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-14 14:09:33,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:33,560 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:09:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:09:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1315056868, now seen corresponding path program 5 times [2023-02-14 14:09:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:09:33,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950386679] [2023-02-14 14:09:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:09:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:09:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:09:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:38,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:09:38,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950386679] [2023-02-14 14:09:38,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950386679] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:09:38,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949091304] [2023-02-14 14:09:38,763 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 14:09:38,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:09:38,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:09:38,764 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:09:38,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-14 14:09:39,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-14 14:09:39,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:09:39,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 189 conjunts are in the unsatisfiable core [2023-02-14 14:09:39,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:09:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:39,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:09:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:09:44,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949091304] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:09:44,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:09:44,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2023-02-14 14:09:44,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138241316] [2023-02-14 14:09:44,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:09:44,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-14 14:09:44,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:09:44,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-14 14:09:44,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2023-02-14 14:09:44,663 INFO L87 Difference]: Start difference. First operand 2262 states and 5538 transitions. Second operand has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:10:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:10:01,227 INFO L93 Difference]: Finished difference Result 17991 states and 35686 transitions. [2023-02-14 14:10:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-14 14:10:01,229 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2023-02-14 14:10:01,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:10:01,327 INFO L225 Difference]: With dead ends: 17991 [2023-02-14 14:10:01,327 INFO L226 Difference]: Without dead ends: 17990 [2023-02-14 14:10:01,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2023-02-14 14:10:01,342 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 7362 mSDsluCounter, 4199 mSDsCounter, 0 mSdLazyCounter, 8575 mSolverCounterSat, 9348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7362 SdHoareTripleChecker+Valid, 4612 SdHoareTripleChecker+Invalid, 17923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9348 IncrementalHoareTripleChecker+Valid, 8575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-02-14 14:10:01,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7362 Valid, 4612 Invalid, 17923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9348 Valid, 8575 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-02-14 14:10:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17990 states. [2023-02-14 14:10:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17990 to 4326. [2023-02-14 14:10:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4326 states, 3185 states have (on average 1.034850863422292) internal successors, (3296), 3089 states have internal predecessors, (3296), 646 states have call successors, (646), 382 states have call predecessors, (646), 493 states have return successors, (17280), 854 states have call predecessors, (17280), 599 states have call successors, (17280) [2023-02-14 14:10:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 21222 transitions. [2023-02-14 14:10:02,054 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 21222 transitions. Word has length 330 [2023-02-14 14:10:02,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:10:02,054 INFO L495 AbstractCegarLoop]: Abstraction has 4326 states and 21222 transitions. [2023-02-14 14:10:02,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.979057591623037) internal successors, (569), 192 states have internal predecessors, (569), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:10:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 21222 transitions. [2023-02-14 14:10:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2023-02-14 14:10:02,079 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:10:02,079 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:10:02,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-14 14:10:02,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:02,286 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:10:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:10:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1705243859, now seen corresponding path program 3 times [2023-02-14 14:10:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:10:02,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134693288] [2023-02-14 14:10:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:10:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:10:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:10:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 14:10:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-14 14:10:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 6 proven. 95 refuted. 0 times theorem prover too weak. 11613 trivial. 0 not checked. [2023-02-14 14:10:02,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:10:02,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134693288] [2023-02-14 14:10:02,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134693288] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:10:02,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176571585] [2023-02-14 14:10:02,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:10:02,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:10:02,987 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:10:02,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-14 14:10:03,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-14 14:10:03,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:10:03,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-14 14:10:03,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:10:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-02-14 14:10:03,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:10:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-02-14 14:10:04,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176571585] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:10:04,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:10:04,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2023-02-14 14:10:04,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295866490] [2023-02-14 14:10:04,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:10:04,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-14 14:10:04,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:10:04,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-14 14:10:04,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2023-02-14 14:10:04,391 INFO L87 Difference]: Start difference. First operand 4326 states and 21222 transitions. Second operand has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2023-02-14 14:10:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:10:04,866 INFO L93 Difference]: Finished difference Result 4887 states and 21866 transitions. [2023-02-14 14:10:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-14 14:10:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) Word has length 577 [2023-02-14 14:10:04,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:10:04,944 INFO L225 Difference]: With dead ends: 4887 [2023-02-14 14:10:04,944 INFO L226 Difference]: Without dead ends: 4470 [2023-02-14 14:10:04,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1329 GetRequests, 1276 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=627, Invalid=2343, Unknown=0, NotChecked=0, Total=2970 [2023-02-14 14:10:04,956 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 173 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:10:04,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 186 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:10:04,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2023-02-14 14:10:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4470. [2023-02-14 14:10:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4470 states, 3312 states have (on average 1.0320048309178744) internal successors, (3418), 3211 states have internal predecessors, (3418), 646 states have call successors, (646), 382 states have call predecessors, (646), 510 states have return successors, (17302), 876 states have call predecessors, (17302), 599 states have call successors, (17302) [2023-02-14 14:10:05,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 21366 transitions. [2023-02-14 14:10:05,621 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 21366 transitions. Word has length 577 [2023-02-14 14:10:05,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:10:05,622 INFO L495 AbstractCegarLoop]: Abstraction has 4470 states and 21366 transitions. [2023-02-14 14:10:05,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2023-02-14 14:10:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 21366 transitions. [2023-02-14 14:10:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-02-14 14:10:05,662 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:10:05,662 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 26, 25, 25, 25, 25, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:10:05,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-02-14 14:10:05,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:05,867 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:10:05,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:10:05,868 INFO L85 PathProgramCache]: Analyzing trace with hash -160341863, now seen corresponding path program 4 times [2023-02-14 14:10:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:10:05,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499254041] [2023-02-14 14:10:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:10:05,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:10:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:10:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 14:10:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-02-14 14:10:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 25 proven. 522 refuted. 0 times theorem prover too weak. 13057 trivial. 0 not checked. [2023-02-14 14:10:07,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:10:07,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499254041] [2023-02-14 14:10:07,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499254041] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:10:07,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598194869] [2023-02-14 14:10:07,244 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:10:07,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:10:07,246 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:10:07,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-02-14 14:10:07,491 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:10:07,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:10:07,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 66 conjunts are in the unsatisfiable core [2023-02-14 14:10:07,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:10:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 2686 refuted. 0 times theorem prover too weak. 9760 trivial. 0 not checked. [2023-02-14 14:10:08,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:10:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 3027 refuted. 0 times theorem prover too weak. 9419 trivial. 0 not checked. [2023-02-14 14:10:16,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598194869] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:10:16,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:10:16,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 50, 67] total 125 [2023-02-14 14:10:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719811232] [2023-02-14 14:10:16,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:10:16,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2023-02-14 14:10:16,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:10:16,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2023-02-14 14:10:16,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=14027, Unknown=0, NotChecked=0, Total=15500 [2023-02-14 14:10:16,881 INFO L87 Difference]: Start difference. First operand 4470 states and 21366 transitions. Second operand has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2023-02-14 14:10:25,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:10:25,059 INFO L93 Difference]: Finished difference Result 6820 states and 37187 transitions. [2023-02-14 14:10:25,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-02-14 14:10:25,060 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) Word has length 721 [2023-02-14 14:10:25,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:10:25,296 INFO L225 Difference]: With dead ends: 6820 [2023-02-14 14:10:25,296 INFO L226 Difference]: Without dead ends: 6176 [2023-02-14 14:10:25,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1479 SyntacticMatches, 18 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27388 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=12362, Invalid=69720, Unknown=0, NotChecked=0, Total=82082 [2023-02-14 14:10:25,321 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1680 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 11741 mSolverCounterSat, 1838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 13579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1838 IncrementalHoareTripleChecker+Valid, 11741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-02-14 14:10:25,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 315 Invalid, 13579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1838 Valid, 11741 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-02-14 14:10:25,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2023-02-14 14:10:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5468. [2023-02-14 14:10:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5468 states, 4013 states have (on average 1.0294044355843508) internal successors, (4131), 3906 states have internal predecessors, (4131), 808 states have call successors, (808), 395 states have call predecessors, (808), 645 states have return successors, (28341), 1166 states have call predecessors, (28341), 760 states have call successors, (28341) [2023-02-14 14:10:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 33280 transitions. [2023-02-14 14:10:26,078 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 33280 transitions. Word has length 721 [2023-02-14 14:10:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:10:26,079 INFO L495 AbstractCegarLoop]: Abstraction has 5468 states and 33280 transitions. [2023-02-14 14:10:26,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 123 states have (on average 3.16260162601626) internal successors, (389), 96 states have internal predecessors, (389), 54 states have call successors, (61), 28 states have call predecessors, (61), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2023-02-14 14:10:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 33280 transitions. [2023-02-14 14:10:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2023-02-14 14:10:26,206 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:10:26,206 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 25, 24, 24, 24, 24, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:10:26,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-02-14 14:10:26,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:26,407 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:10:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:10:26,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1924989581, now seen corresponding path program 5 times [2023-02-14 14:10:26,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:10:26,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850785233] [2023-02-14 14:10:26,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:10:26,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:10:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 14:10:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 14:10:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-14 14:10:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 14:10:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 14:10:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 14:10:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 14:10:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 14:10:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 14:10:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1071 [2023-02-14 14:10:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 14:10:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:10:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 49667 backedges. 24 proven. 611 refuted. 0 times theorem prover too weak. 49032 trivial. 0 not checked. [2023-02-14 14:10:28,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:10:28,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850785233] [2023-02-14 14:10:28,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850785233] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:10:28,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539008410] [2023-02-14 14:10:28,862 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 14:10:28,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:28,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:10:28,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:10:28,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-14 14:10:29,943 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2023-02-14 14:10:29,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:10:29,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-14 14:10:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:10:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 49667 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 49056 trivial. 0 not checked. [2023-02-14 14:10:30,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:10:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 49667 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 49056 trivial. 0 not checked. [2023-02-14 14:10:37,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539008410] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:10:37,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:10:37,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 61 [2023-02-14 14:10:37,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788421844] [2023-02-14 14:10:37,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:10:37,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-02-14 14:10:37,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:10:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-02-14 14:10:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=2849, Unknown=0, NotChecked=0, Total=3782 [2023-02-14 14:10:37,670 INFO L87 Difference]: Start difference. First operand 5468 states and 33280 transitions. Second operand has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) [2023-02-14 14:10:38,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:10:38,644 INFO L93 Difference]: Finished difference Result 6966 states and 35002 transitions. [2023-02-14 14:10:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-02-14 14:10:38,648 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) Word has length 1235 [2023-02-14 14:10:38,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:10:38,893 INFO L225 Difference]: With dead ends: 6966 [2023-02-14 14:10:38,893 INFO L226 Difference]: Without dead ends: 5214 [2023-02-14 14:10:38,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2837 GetRequests, 2720 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5626 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2787, Invalid=11255, Unknown=0, NotChecked=0, Total=14042 [2023-02-14 14:10:38,909 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 365 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:10:38,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 226 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:10:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2023-02-14 14:10:39,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5118. [2023-02-14 14:10:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 3734 states have (on average 1.0283877878950187) internal successors, (3840), 3633 states have internal predecessors, (3840), 762 states have call successors, (762), 382 states have call predecessors, (762), 620 states have return successors, (28046), 1102 states have call predecessors, (28046), 715 states have call successors, (28046) [2023-02-14 14:10:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 32648 transitions. [2023-02-14 14:10:39,682 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 32648 transitions. Word has length 1235 [2023-02-14 14:10:39,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:10:39,683 INFO L495 AbstractCegarLoop]: Abstraction has 5118 states and 32648 transitions. [2023-02-14 14:10:39,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.1475409836065573) internal successors, (192), 61 states have internal predecessors, (192), 1 states have call successors, (8), 2 states have call predecessors, (8), 30 states have return successors, (32), 30 states have call predecessors, (32), 1 states have call successors, (32) [2023-02-14 14:10:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 32648 transitions. [2023-02-14 14:10:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-02-14 14:10:39,811 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:10:39,811 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2023-02-14 14:10:39,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-02-14 14:10:40,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:10:40,012 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:10:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:10:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1826355684, now seen corresponding path program 6 times [2023-02-14 14:10:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:10:40,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070118366] [2023-02-14 14:10:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:10:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:10:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 0 proven. 30973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:02,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:11:02,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070118366] [2023-02-14 14:11:02,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070118366] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:11:02,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911849484] [2023-02-14 14:11:02,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-14 14:11:02,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:11:02,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:11:02,703 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:11:02,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-02-14 14:11:03,703 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2023-02-14 14:11:03,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2697 conjuncts, 161 conjunts are in the unsatisfiable core [2023-02-14 14:11:03,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:31,772 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 31 dual juncts. [2023-02-14 14:11:31,774 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-02-14 14:11:31,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:31,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-02-14 14:11:31,977 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) [2023-02-14 14:11:31,980 INFO L158 Benchmark]: Toolchain (without parser) took 143182.33ms. Allocated memory was 130.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 87.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 442.8MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,980 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 167.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.42ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 76.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.60ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,981 INFO L158 Benchmark]: Boogie Preprocessor took 10.69ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:11:31,981 INFO L158 Benchmark]: RCFGBuilder took 238.54ms. Allocated memory is still 130.0MB. Free memory was 74.3MB in the beginning and 63.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,981 INFO L158 Benchmark]: TraceAbstraction took 142769.44ms. Allocated memory was 130.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 62.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 417.7MB. Max. memory is 16.1GB. [2023-02-14 14:11:31,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 167.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 142.42ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 76.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.60ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.69ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.54ms. Allocated memory is still 130.0MB. Free memory was 74.3MB in the beginning and 63.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 142769.44ms. Allocated memory was 130.0MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 62.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 417.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-02-14 14:11:31,998 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/recursive/recHanoi01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3dbbec3 [2023-02-14 14:11:33,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:11:33,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:11:33,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:11:33,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:11:33,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:11:33,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:11:33,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:11:33,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:11:33,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:11:33,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:11:33,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:11:33,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:11:33,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:11:33,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:11:33,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:11:33,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:11:33,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:11:33,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:11:33,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:11:33,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:11:33,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:11:33,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:11:33,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:11:33,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:11:33,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:11:33,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:11:33,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:11:33,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:11:33,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:11:33,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:11:33,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:11:33,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:11:33,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:11:33,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:11:33,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:11:33,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:11:33,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:11:33,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:11:33,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:11:33,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:11:33,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-02-14 14:11:33,899 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:11:33,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:11:33,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:11:33,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:11:33,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:11:33,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:11:33,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:11:33,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:11:33,902 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:11:33,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:11:33,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 14:11:33,904 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:11:33,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 14:11:33,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:11:33,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:11:33,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:11:33,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:11:33,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:11:33,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 14:11:33,907 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:11:33,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:11:33,907 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 14:11:33,907 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:11:33,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-14 14:11:34,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:11:34,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:11:34,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:11:34,161 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:11:34,161 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:11:34,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 14:11:35,116 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:11:35,269 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:11:35,269 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 14:11:35,274 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22783dec2/2f987f635f79472ab34560fb4b14c4b4/FLAG9d0e7217d [2023-02-14 14:11:35,288 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22783dec2/2f987f635f79472ab34560fb4b14c4b4 [2023-02-14 14:11:35,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:11:35,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:11:35,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:11:35,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:11:35,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:11:35,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15724b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35, skipping insertion in model container [2023-02-14 14:11:35,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:11:35,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:11:35,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-14 14:11:35,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:11:35,432 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 14:11:35,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c[1213,1226] [2023-02-14 14:11:35,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:11:35,470 INFO L208 MainTranslator]: Completed translation [2023-02-14 14:11:35,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35 WrapperNode [2023-02-14 14:11:35,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:11:35,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 14:11:35,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 14:11:35,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 14:11:35,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,495 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-14 14:11:35,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 14:11:35,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 14:11:35,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 14:11:35,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 14:11:35,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 14:11:35,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 14:11:35,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 14:11:35,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 14:11:35,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (1/1) ... [2023-02-14 14:11:35,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:11:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:11:35,546 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) [2023-02-14 14:11:35,572 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 [2023-02-14 14:11:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 14:11:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-14 14:11:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-14 14:11:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-14 14:11:35,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-14 14:11:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 14:11:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 14:11:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 14:11:35,650 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 14:11:35,652 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 14:11:35,825 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 14:11:35,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 14:11:35,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 14:11:35,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:11:35 BoogieIcfgContainer [2023-02-14 14:11:35,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 14:11:35,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 14:11:35,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 14:11:35,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 14:11:35,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:11:35" (1/3) ... [2023-02-14 14:11:35,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e16581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:11:35, skipping insertion in model container [2023-02-14 14:11:35,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:11:35" (2/3) ... [2023-02-14 14:11:35,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e16581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:11:35, skipping insertion in model container [2023-02-14 14:11:35,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:11:35" (3/3) ... [2023-02-14 14:11:35,836 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-14 14:11:35,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 14:11:35,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-14 14:11:35,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 14:11:35,892 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;@762b59a0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 14:11:35,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-14 14:11:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 14:11:35,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 14:11:35,900 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:35,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:35,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:35,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:35,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1081008278, now seen corresponding path program 1 times [2023-02-14 14:11:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:35,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139458179] [2023-02-14 14:11:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:35,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:35,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:35,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:35,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-14 14:11:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:35,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-14 14:11:35,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:36,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:11:36,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:36,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139458179] [2023-02-14 14:11:36,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139458179] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:11:36,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:11:36,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-14 14:11:36,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275633972] [2023-02-14 14:11:36,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:11:36,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 14:11:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 14:11:36,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 14:11:36,051 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:36,069 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2023-02-14 14:11:36,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 14:11:36,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-14 14:11:36,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:36,076 INFO L225 Difference]: With dead ends: 49 [2023-02-14 14:11:36,076 INFO L226 Difference]: Without dead ends: 34 [2023-02-14 14:11:36,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 14:11:36,081 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:36,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:11:36,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-14 14:11:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-14 14:11:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.380952380952381) internal successors, (29), 28 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-14 14:11:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-02-14 14:11:36,112 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 7 [2023-02-14 14:11:36,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:36,113 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-02-14 14:11:36,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-02-14 14:11:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:11:36,115 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:36,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:36,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:36,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:36,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:36,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:36,323 INFO L85 PathProgramCache]: Analyzing trace with hash 848481788, now seen corresponding path program 1 times [2023-02-14 14:11:36,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:36,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049080441] [2023-02-14 14:11:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:36,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:36,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:36,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-02-14 14:11:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:36,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 14:11:36,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:36,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:11:36,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:36,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049080441] [2023-02-14 14:11:36,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049080441] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:11:36,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:11:36,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:11:36,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015046] [2023-02-14 14:11:36,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:11:36,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 14:11:36,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 14:11:36,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:11:36,408 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:36,438 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2023-02-14 14:11:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:11:36,440 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-14 14:11:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:36,441 INFO L225 Difference]: With dead ends: 56 [2023-02-14 14:11:36,442 INFO L226 Difference]: Without dead ends: 55 [2023-02-14 14:11:36,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:11:36,444 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 22 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:36,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 103 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:11:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-14 14:11:36,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2023-02-14 14:11:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-14 14:11:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-02-14 14:11:36,451 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 8 [2023-02-14 14:11:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:36,451 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-02-14 14:11:36,451 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-02-14 14:11:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:11:36,452 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:36,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:36,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:36,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:36,659 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:36,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash 533131692, now seen corresponding path program 1 times [2023-02-14 14:11:36,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:36,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344304882] [2023-02-14 14:11:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:36,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:36,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-02-14 14:11:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:36,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 14:11:36,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:36,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:11:36,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:36,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344304882] [2023-02-14 14:11:36,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344304882] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:11:36,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:11:36,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:11:36,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710289327] [2023-02-14 14:11:36,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:11:36,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:11:36,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:36,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:11:36,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:11:36,759 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:36,842 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2023-02-14 14:11:36,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 14:11:36,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-14 14:11:36,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:36,843 INFO L225 Difference]: With dead ends: 65 [2023-02-14 14:11:36,843 INFO L226 Difference]: Without dead ends: 46 [2023-02-14 14:11:36,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:11:36,845 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:36,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:11:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-14 14:11:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-02-14 14:11:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 37 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-14 14:11:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-02-14 14:11:36,851 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 9 [2023-02-14 14:11:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:36,851 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-02-14 14:11:36,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-02-14 14:11:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:11:36,852 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:36,852 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:36,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:37,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:37,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:37,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:37,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1215034722, now seen corresponding path program 1 times [2023-02-14 14:11:37,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:37,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087202335] [2023-02-14 14:11:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:37,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:37,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-02-14 14:11:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:37,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-14 14:11:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:37,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:37,218 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:37,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087202335] [2023-02-14 14:11:37,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087202335] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:37,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:37,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-14 14:11:37,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403990682] [2023-02-14 14:11:37,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:37,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 14:11:37,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:37,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 14:11:37,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-14 14:11:37,221 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:37,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:37,546 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2023-02-14 14:11:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 14:11:37,548 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-14 14:11:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:37,550 INFO L225 Difference]: With dead ends: 141 [2023-02-14 14:11:37,550 INFO L226 Difference]: Without dead ends: 140 [2023-02-14 14:11:37,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-02-14 14:11:37,552 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 105 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:37,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 250 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:11:37,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-02-14 14:11:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 85. [2023-02-14 14:11:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 68 states have internal predecessors, (74), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2023-02-14 14:11:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2023-02-14 14:11:37,568 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 15 [2023-02-14 14:11:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:37,568 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2023-02-14 14:11:37,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-02-14 14:11:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 14:11:37,569 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:37,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:37,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:37,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:37,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash -988629242, now seen corresponding path program 1 times [2023-02-14 14:11:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:37,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137103729] [2023-02-14 14:11:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:37,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:37,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:37,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-02-14 14:11:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:37,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:11:37,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:37,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:38,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:38,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137103729] [2023-02-14 14:11:38,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137103729] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:38,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:38,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-14 14:11:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523801433] [2023-02-14 14:11:38,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:38,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:11:38,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:11:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:11:38,007 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:38,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:38,236 INFO L93 Difference]: Finished difference Result 91 states and 122 transitions. [2023-02-14 14:11:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 14:11:38,237 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-14 14:11:38,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:38,238 INFO L225 Difference]: With dead ends: 91 [2023-02-14 14:11:38,238 INFO L226 Difference]: Without dead ends: 89 [2023-02-14 14:11:38,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-02-14 14:11:38,241 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 70 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:38,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 164 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:11:38,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-14 14:11:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-02-14 14:11:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 69 states have internal predecessors, (71), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2023-02-14 14:11:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2023-02-14 14:11:38,254 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 16 [2023-02-14 14:11:38,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:38,254 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2023-02-14 14:11:38,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2023-02-14 14:11:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 14:11:38,256 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:38,256 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:38,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:38,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:38,463 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 821082338, now seen corresponding path program 1 times [2023-02-14 14:11:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:38,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511331526] [2023-02-14 14:11:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:38,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:38,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-02-14 14:11:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:38,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-14 14:11:38,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-14 14:11:38,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-14 14:11:38,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:38,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511331526] [2023-02-14 14:11:38,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511331526] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:38,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:38,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2023-02-14 14:11:38,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648977614] [2023-02-14 14:11:38,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:38,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-14 14:11:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-14 14:11:38,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-02-14 14:11:38,750 INFO L87 Difference]: Start difference. First operand 89 states and 116 transitions. Second operand has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 14:11:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:38,899 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2023-02-14 14:11:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 14:11:38,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) Word has length 28 [2023-02-14 14:11:38,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:38,901 INFO L225 Difference]: With dead ends: 182 [2023-02-14 14:11:38,901 INFO L226 Difference]: Without dead ends: 100 [2023-02-14 14:11:38,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-02-14 14:11:38,904 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:38,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 153 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:11:38,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-02-14 14:11:38,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-02-14 14:11:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 72 states have internal predecessors, (77), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (23), 14 states have call predecessors, (23), 14 states have call successors, (23) [2023-02-14 14:11:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2023-02-14 14:11:38,923 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 28 [2023-02-14 14:11:38,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:38,923 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2023-02-14 14:11:38,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-14 14:11:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-02-14 14:11:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 14:11:38,924 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:38,925 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-14 14:11:38,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:39,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:39,153 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash 590585980, now seen corresponding path program 2 times [2023-02-14 14:11:39,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:39,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998137169] [2023-02-14 14:11:39,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:11:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:39,157 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:39,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-02-14 14:11:39,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:11:39,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:39,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-14 14:11:39,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:39,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:39,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998137169] [2023-02-14 14:11:39,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998137169] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:39,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:39,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2023-02-14 14:11:39,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650361605] [2023-02-14 14:11:39,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:39,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-14 14:11:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:39,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-14 14:11:39,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-02-14 14:11:39,624 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:40,931 INFO L93 Difference]: Finished difference Result 348 states and 490 transitions. [2023-02-14 14:11:40,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-14 14:11:40,933 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-02-14 14:11:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:40,935 INFO L225 Difference]: With dead ends: 348 [2023-02-14 14:11:40,935 INFO L226 Difference]: Without dead ends: 347 [2023-02-14 14:11:40,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2023-02-14 14:11:40,937 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 474 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:40,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1189 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-14 14:11:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-02-14 14:11:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 228. [2023-02-14 14:11:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 165 states have (on average 1.084848484848485) internal successors, (179), 168 states have internal predecessors, (179), 39 states have call successors, (39), 21 states have call predecessors, (39), 20 states have return successors, (140), 38 states have call predecessors, (140), 38 states have call successors, (140) [2023-02-14 14:11:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 358 transitions. [2023-02-14 14:11:40,962 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 358 transitions. Word has length 36 [2023-02-14 14:11:40,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:40,962 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 358 transitions. [2023-02-14 14:11:40,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.857142857142857) internal successors, (60), 22 states have internal predecessors, (60), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 358 transitions. [2023-02-14 14:11:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-14 14:11:40,964 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:40,964 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:40,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-02-14 14:11:41,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:41,172 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:41,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1863188226, now seen corresponding path program 2 times [2023-02-14 14:11:41,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:41,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937548086] [2023-02-14 14:11:41,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:11:41,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:41,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:41,174 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:41,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-02-14 14:11:41,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-14 14:11:41,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:41,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 14:11:41,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-02-14 14:11:41,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:11:41,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:41,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937548086] [2023-02-14 14:11:41,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937548086] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:11:41,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:11:41,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 14:11:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473253454] [2023-02-14 14:11:41,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:11:41,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 14:11:41,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:41,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 14:11:41,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 14:11:41,232 INFO L87 Difference]: Start difference. First operand 228 states and 358 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:11:41,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:41,292 INFO L93 Difference]: Finished difference Result 244 states and 376 transitions. [2023-02-14 14:11:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:11:41,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2023-02-14 14:11:41,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:41,294 INFO L225 Difference]: With dead ends: 244 [2023-02-14 14:11:41,294 INFO L226 Difference]: Without dead ends: 239 [2023-02-14 14:11:41,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:11:41,336 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:41,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 111 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:11:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-02-14 14:11:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 235. [2023-02-14 14:11:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 171 states have (on average 1.087719298245614) internal successors, (186), 173 states have internal predecessors, (186), 40 states have call successors, (40), 22 states have call predecessors, (40), 20 states have return successors, (141), 39 states have call predecessors, (141), 39 states have call successors, (141) [2023-02-14 14:11:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2023-02-14 14:11:41,370 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 60 [2023-02-14 14:11:41,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:41,371 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2023-02-14 14:11:41,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-14 14:11:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2023-02-14 14:11:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-14 14:11:41,377 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:41,378 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:41,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:41,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:41,585 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:41,585 INFO L85 PathProgramCache]: Analyzing trace with hash 463463118, now seen corresponding path program 1 times [2023-02-14 14:11:41,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:41,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039759315] [2023-02-14 14:11:41,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:41,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:41,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:41,587 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:41,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-02-14 14:11:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:41,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-14 14:11:41,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 53 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-02-14 14:11:41,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-02-14 14:11:41,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:41,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039759315] [2023-02-14 14:11:41,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039759315] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:41,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:41,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 15 [2023-02-14 14:11:41,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001763369] [2023-02-14 14:11:41,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:41,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-14 14:11:41,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:41,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-14 14:11:41,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-02-14 14:11:41,968 INFO L87 Difference]: Start difference. First operand 235 states and 367 transitions. Second operand has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) [2023-02-14 14:11:42,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:42,237 INFO L93 Difference]: Finished difference Result 569 states and 963 transitions. [2023-02-14 14:11:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-14 14:11:42,239 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) Word has length 65 [2023-02-14 14:11:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:42,241 INFO L225 Difference]: With dead ends: 569 [2023-02-14 14:11:42,241 INFO L226 Difference]: Without dead ends: 377 [2023-02-14 14:11:42,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-02-14 14:11:42,243 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 64 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:42,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 217 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:11:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-02-14 14:11:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 352. [2023-02-14 14:11:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 258 states have (on average 1.062015503875969) internal successors, (274), 259 states have internal predecessors, (274), 59 states have call successors, (59), 33 states have call predecessors, (59), 31 states have return successors, (147), 59 states have call predecessors, (147), 57 states have call successors, (147) [2023-02-14 14:11:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 480 transitions. [2023-02-14 14:11:42,269 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 480 transitions. Word has length 65 [2023-02-14 14:11:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:42,269 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 480 transitions. [2023-02-14 14:11:42,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) [2023-02-14 14:11:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 480 transitions. [2023-02-14 14:11:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-14 14:11:42,270 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:42,270 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:42,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:42,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:42,481 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:42,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1288557639, now seen corresponding path program 1 times [2023-02-14 14:11:42,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:42,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579780549] [2023-02-14 14:11:42,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:42,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:42,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:42,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:42,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-02-14 14:11:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:42,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 14:11:42,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-02-14 14:11:42,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 14:11:42,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:42,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579780549] [2023-02-14 14:11:42,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579780549] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:11:42,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:11:42,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 14:11:42,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812689107] [2023-02-14 14:11:42,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:11:42,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 14:11:42,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 14:11:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:11:42,567 INFO L87 Difference]: Start difference. First operand 352 states and 480 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-14 14:11:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:42,615 INFO L93 Difference]: Finished difference Result 362 states and 492 transitions. [2023-02-14 14:11:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 14:11:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2023-02-14 14:11:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:42,619 INFO L225 Difference]: With dead ends: 362 [2023-02-14 14:11:42,619 INFO L226 Difference]: Without dead ends: 315 [2023-02-14 14:11:42,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 14:11:42,620 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:42,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 92 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:11:42,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-02-14 14:11:42,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2023-02-14 14:11:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 231 states have (on average 1.0649350649350648) internal successors, (246), 232 states have internal predecessors, (246), 50 states have call successors, (50), 29 states have call predecessors, (50), 28 states have return successors, (120), 51 states have call predecessors, (120), 48 states have call successors, (120) [2023-02-14 14:11:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2023-02-14 14:11:42,650 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 67 [2023-02-14 14:11:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:42,650 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2023-02-14 14:11:42,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-14 14:11:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2023-02-14 14:11:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 14:11:42,652 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:42,652 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-14 14:11:42,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:42,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:42,860 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:42,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:42,860 INFO L85 PathProgramCache]: Analyzing trace with hash 129037372, now seen corresponding path program 3 times [2023-02-14 14:11:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:42,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615504687] [2023-02-14 14:11:42,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:11:42,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:42,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:42,862 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:42,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-02-14 14:11:42,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 14:11:42,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:42,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-14 14:11:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:43,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:11:44,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:44,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615504687] [2023-02-14 14:11:44,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615504687] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:44,480 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:44,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2023-02-14 14:11:44,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782037387] [2023-02-14 14:11:44,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:44,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-14 14:11:44,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:44,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-14 14:11:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1739, Unknown=0, NotChecked=0, Total=2070 [2023-02-14 14:11:44,482 INFO L87 Difference]: Start difference. First operand 313 states and 416 transitions. Second operand has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:52,509 INFO L93 Difference]: Finished difference Result 1150 states and 1960 transitions. [2023-02-14 14:11:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-14 14:11:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-02-14 14:11:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:52,515 INFO L225 Difference]: With dead ends: 1150 [2023-02-14 14:11:52,515 INFO L226 Difference]: Without dead ends: 1113 [2023-02-14 14:11:52,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1387, Invalid=4775, Unknown=0, NotChecked=0, Total=6162 [2023-02-14 14:11:52,520 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1777 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 1939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1939 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:52,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 4487 Invalid, 4406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1939 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-02-14 14:11:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-02-14 14:11:52,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 721. [2023-02-14 14:11:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 531 states have (on average 1.0508474576271187) internal successors, (558), 532 states have internal predecessors, (558), 122 states have call successors, (122), 65 states have call predecessors, (122), 64 states have return successors, (774), 123 states have call predecessors, (774), 120 states have call successors, (774) [2023-02-14 14:11:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1454 transitions. [2023-02-14 14:11:52,596 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1454 transitions. Word has length 78 [2023-02-14 14:11:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:52,597 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1454 transitions. [2023-02-14 14:11:52,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.933333333333333) internal successors, (132), 46 states have internal predecessors, (132), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:11:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1454 transitions. [2023-02-14 14:11:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-02-14 14:11:52,598 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:52,598 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:52,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:52,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:52,805 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:52,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:52,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1732641074, now seen corresponding path program 2 times [2023-02-14 14:11:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:52,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499316922] [2023-02-14 14:11:52,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:11:52,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:52,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:52,807 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:52,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-02-14 14:11:52,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:11:52,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:52,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:11:52,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-14 14:11:52,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-14 14:11:53,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:53,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499316922] [2023-02-14 14:11:53,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499316922] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:53,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:53,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-14 14:11:53,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85044613] [2023-02-14 14:11:53,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:53,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:11:53,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:53,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:11:53,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:11:53,156 INFO L87 Difference]: Start difference. First operand 721 states and 1454 transitions. Second operand has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:11:53,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:53,499 INFO L93 Difference]: Finished difference Result 775 states and 1511 transitions. [2023-02-14 14:11:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-14 14:11:53,500 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 129 [2023-02-14 14:11:53,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:53,507 INFO L225 Difference]: With dead ends: 775 [2023-02-14 14:11:53,507 INFO L226 Difference]: Without dead ends: 772 [2023-02-14 14:11:53,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-02-14 14:11:53,509 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 151 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:53,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 231 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:11:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-02-14 14:11:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 764. [2023-02-14 14:11:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 566 states have (on average 1.0618374558303887) internal successors, (601), 566 states have internal predecessors, (601), 125 states have call successors, (125), 68 states have call predecessors, (125), 69 states have return successors, (780), 129 states have call predecessors, (780), 123 states have call successors, (780) [2023-02-14 14:11:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1506 transitions. [2023-02-14 14:11:53,576 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1506 transitions. Word has length 129 [2023-02-14 14:11:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:53,577 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 1506 transitions. [2023-02-14 14:11:53,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:11:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1506 transitions. [2023-02-14 14:11:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-02-14 14:11:53,583 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:53,583 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:53,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:53,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:53,791 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:53,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1744998254, now seen corresponding path program 1 times [2023-02-14 14:11:53,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:53,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149199207] [2023-02-14 14:11:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:53,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:53,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:53,794 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:53,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-02-14 14:11:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:53,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 14:11:53,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-14 14:11:53,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-14 14:11:54,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:54,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149199207] [2023-02-14 14:11:54,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149199207] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:54,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:54,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-14 14:11:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297306137] [2023-02-14 14:11:54,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:54,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 14:11:54,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:54,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 14:11:54,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-14 14:11:54,112 INFO L87 Difference]: Start difference. First operand 764 states and 1506 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-14 14:11:54,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:54,246 INFO L93 Difference]: Finished difference Result 840 states and 1605 transitions. [2023-02-14 14:11:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 14:11:54,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 142 [2023-02-14 14:11:54,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:54,251 INFO L225 Difference]: With dead ends: 840 [2023-02-14 14:11:54,252 INFO L226 Difference]: Without dead ends: 828 [2023-02-14 14:11:54,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:11:54,253 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 15 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:54,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 182 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:11:54,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2023-02-14 14:11:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 821. [2023-02-14 14:11:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 614 states have (on average 1.0618892508143323) internal successors, (652), 611 states have internal predecessors, (652), 125 states have call successors, (125), 68 states have call predecessors, (125), 78 states have return successors, (792), 141 states have call predecessors, (792), 123 states have call successors, (792) [2023-02-14 14:11:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1569 transitions. [2023-02-14 14:11:54,309 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1569 transitions. Word has length 142 [2023-02-14 14:11:54,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:54,309 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1569 transitions. [2023-02-14 14:11:54,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-14 14:11:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1569 transitions. [2023-02-14 14:11:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-14 14:11:54,312 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:54,312 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:54,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-02-14 14:11:54,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:54,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1390149118, now seen corresponding path program 3 times [2023-02-14 14:11:54,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:54,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155842639] [2023-02-14 14:11:54,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:11:54,521 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:54,523 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:54,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-02-14 14:11:54,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-14 14:11:54,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:54,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 14:11:54,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-14 14:11:54,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-14 14:11:55,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:55,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155842639] [2023-02-14 14:11:55,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155842639] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:55,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:55,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-02-14 14:11:55,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929080282] [2023-02-14 14:11:55,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:55,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 14:11:55,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:55,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 14:11:55,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:11:55,336 INFO L87 Difference]: Start difference. First operand 821 states and 1569 transitions. Second operand has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 14 states have internal predecessors, (52), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:11:57,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:57,750 INFO L93 Difference]: Finished difference Result 1034 states and 1791 transitions. [2023-02-14 14:11:57,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-02-14 14:11:57,751 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 14 states have internal predecessors, (52), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 144 [2023-02-14 14:11:57,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:57,757 INFO L225 Difference]: With dead ends: 1034 [2023-02-14 14:11:57,757 INFO L226 Difference]: Without dead ends: 1033 [2023-02-14 14:11:57,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=539, Invalid=1623, Unknown=0, NotChecked=0, Total=2162 [2023-02-14 14:11:57,758 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 632 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:57,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 701 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-14 14:11:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2023-02-14 14:11:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1013. [2023-02-14 14:11:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 770 states have (on average 1.0805194805194804) internal successors, (832), 767 states have internal predecessors, (832), 131 states have call successors, (131), 74 states have call predecessors, (131), 108 states have return successors, (822), 171 states have call predecessors, (822), 129 states have call successors, (822) [2023-02-14 14:11:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1785 transitions. [2023-02-14 14:11:57,835 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1785 transitions. Word has length 144 [2023-02-14 14:11:57,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:57,837 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1785 transitions. [2023-02-14 14:11:57,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 14 states have internal predecessors, (52), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-14 14:11:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1785 transitions. [2023-02-14 14:11:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-02-14 14:11:57,839 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:57,839 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:57,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-02-14 14:11:58,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:58,047 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:58,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:58,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1666257884, now seen corresponding path program 1 times [2023-02-14 14:11:58,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:58,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180131152] [2023-02-14 14:11:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:11:58,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:58,049 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:58,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-02-14 14:11:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:11:58,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 14:11:58,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 237 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-02-14 14:11:58,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:11:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 259 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-02-14 14:11:58,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:11:58,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180131152] [2023-02-14 14:11:58,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180131152] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:11:58,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:11:58,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 20 [2023-02-14 14:11:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527537836] [2023-02-14 14:11:58,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:11:58,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-14 14:11:58,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:11:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-14 14:11:58,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-02-14 14:11:58,813 INFO L87 Difference]: Start difference. First operand 1013 states and 1785 transitions. Second operand has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) [2023-02-14 14:11:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:11:59,302 INFO L93 Difference]: Finished difference Result 2310 states and 4580 transitions. [2023-02-14 14:11:59,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-14 14:11:59,303 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) Word has length 154 [2023-02-14 14:11:59,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:11:59,309 INFO L225 Difference]: With dead ends: 2310 [2023-02-14 14:11:59,309 INFO L226 Difference]: Without dead ends: 1406 [2023-02-14 14:11:59,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2023-02-14 14:11:59,318 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 72 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 14:11:59,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 344 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 14:11:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2023-02-14 14:11:59,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1243. [2023-02-14 14:11:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 942 states have (on average 1.0668789808917198) internal successors, (1005), 938 states have internal predecessors, (1005), 169 states have call successors, (169), 94 states have call predecessors, (169), 128 states have return successors, (576), 210 states have call predecessors, (576), 165 states have call successors, (576) [2023-02-14 14:11:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1750 transitions. [2023-02-14 14:11:59,396 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1750 transitions. Word has length 154 [2023-02-14 14:11:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:11:59,397 INFO L495 AbstractCegarLoop]: Abstraction has 1243 states and 1750 transitions. [2023-02-14 14:11:59,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) [2023-02-14 14:11:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1750 transitions. [2023-02-14 14:11:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-14 14:11:59,399 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:11:59,400 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:11:59,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-02-14 14:11:59,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:59,609 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:11:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:11:59,609 INFO L85 PathProgramCache]: Analyzing trace with hash -120268048, now seen corresponding path program 2 times [2023-02-14 14:11:59,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:11:59,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44135212] [2023-02-14 14:11:59,610 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:11:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:11:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:11:59,611 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:11:59,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-02-14 14:11:59,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:11:59,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:11:59,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 14:11:59,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:11:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 248 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-02-14 14:11:59,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:12:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 269 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-02-14 14:12:00,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:12:00,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44135212] [2023-02-14 14:12:00,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44135212] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:12:00,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:12:00,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 20 [2023-02-14 14:12:00,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548409471] [2023-02-14 14:12:00,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:12:00,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-14 14:12:00,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:12:00,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-14 14:12:00,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-02-14 14:12:00,321 INFO L87 Difference]: Start difference. First operand 1243 states and 1750 transitions. Second operand has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) [2023-02-14 14:12:00,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:12:00,721 INFO L93 Difference]: Finished difference Result 1269 states and 1822 transitions. [2023-02-14 14:12:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-14 14:12:00,722 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) Word has length 159 [2023-02-14 14:12:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:12:00,735 INFO L225 Difference]: With dead ends: 1269 [2023-02-14 14:12:00,736 INFO L226 Difference]: Without dead ends: 1252 [2023-02-14 14:12:00,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2023-02-14 14:12:00,737 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 88 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 14:12:00,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 265 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 14:12:00,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-02-14 14:12:00,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1248. [2023-02-14 14:12:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 946 states have (on average 1.0665961945031712) internal successors, (1009), 942 states have internal predecessors, (1009), 170 states have call successors, (170), 95 states have call predecessors, (170), 128 states have return successors, (576), 210 states have call predecessors, (576), 165 states have call successors, (576) [2023-02-14 14:12:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1755 transitions. [2023-02-14 14:12:00,817 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1755 transitions. Word has length 159 [2023-02-14 14:12:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:12:00,818 INFO L495 AbstractCegarLoop]: Abstraction has 1248 states and 1755 transitions. [2023-02-14 14:12:00,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 17 states have internal predecessors, (82), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) [2023-02-14 14:12:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1755 transitions. [2023-02-14 14:12:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-02-14 14:12:00,821 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:12:00,821 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:12:00,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-02-14 14:12:01,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:01,030 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:12:01,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:12:01,030 INFO L85 PathProgramCache]: Analyzing trace with hash -380613724, now seen corresponding path program 3 times [2023-02-14 14:12:01,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:12:01,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542629206] [2023-02-14 14:12:01,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:12:01,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:12:01,032 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:12:01,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-02-14 14:12:01,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-14 14:12:01,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:12:01,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-14 14:12:01,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:12:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-02-14 14:12:01,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:12:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-02-14 14:12:01,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:12:01,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542629206] [2023-02-14 14:12:01,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542629206] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:12:01,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:12:01,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-02-14 14:12:01,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778597472] [2023-02-14 14:12:01,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:12:01,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-14 14:12:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:12:01,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-14 14:12:01,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-14 14:12:01,376 INFO L87 Difference]: Start difference. First operand 1248 states and 1755 transitions. Second operand has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2023-02-14 14:12:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:12:01,641 INFO L93 Difference]: Finished difference Result 1391 states and 1950 transitions. [2023-02-14 14:12:01,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-14 14:12:01,641 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) Word has length 164 [2023-02-14 14:12:01,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:12:01,646 INFO L225 Difference]: With dead ends: 1391 [2023-02-14 14:12:01,646 INFO L226 Difference]: Without dead ends: 1350 [2023-02-14 14:12:01,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-02-14 14:12:01,647 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:12:01,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 312 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:12:01,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2023-02-14 14:12:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1343. [2023-02-14 14:12:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 1028 states have (on average 1.0690661478599222) internal successors, (1099), 1022 states have internal predecessors, (1099), 170 states have call successors, (170), 95 states have call predecessors, (170), 141 states have return successors, (591), 225 states have call predecessors, (591), 165 states have call successors, (591) [2023-02-14 14:12:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1860 transitions. [2023-02-14 14:12:01,725 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1860 transitions. Word has length 164 [2023-02-14 14:12:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:12:01,726 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1860 transitions. [2023-02-14 14:12:01,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2023-02-14 14:12:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1860 transitions. [2023-02-14 14:12:01,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-02-14 14:12:01,728 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:12:01,728 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 10, 10, 10, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:12:01,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-02-14 14:12:01,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:01,935 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:12:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:12:01,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2000691330, now seen corresponding path program 4 times [2023-02-14 14:12:01,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:12:01,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097362951] [2023-02-14 14:12:01,936 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:12:01,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:01,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:12:01,937 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:12:01,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-02-14 14:12:02,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:12:02,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:12:02,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 14:12:02,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:12:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 223 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2023-02-14 14:12:02,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:12:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 244 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-02-14 14:12:02,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:12:02,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097362951] [2023-02-14 14:12:02,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097362951] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:12:02,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:12:02,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 19 [2023-02-14 14:12:02,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080493004] [2023-02-14 14:12:02,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:12:02,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-14 14:12:02,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:12:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-14 14:12:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-02-14 14:12:02,577 INFO L87 Difference]: Start difference. First operand 1343 states and 1860 transitions. Second operand has 19 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 15 states have internal predecessors, (66), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) [2023-02-14 14:12:03,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:12:03,033 INFO L93 Difference]: Finished difference Result 1731 states and 2334 transitions. [2023-02-14 14:12:03,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-14 14:12:03,034 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 15 states have internal predecessors, (66), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) Word has length 174 [2023-02-14 14:12:03,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:12:03,039 INFO L225 Difference]: With dead ends: 1731 [2023-02-14 14:12:03,039 INFO L226 Difference]: Without dead ends: 1279 [2023-02-14 14:12:03,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2023-02-14 14:12:03,040 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 77 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 14:12:03,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 336 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 14:12:03,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2023-02-14 14:12:03,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1275. [2023-02-14 14:12:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 980 states have (on average 1.0714285714285714) internal successors, (1050), 974 states have internal predecessors, (1050), 154 states have call successors, (154), 90 states have call predecessors, (154), 137 states have return successors, (535), 210 states have call predecessors, (535), 149 states have call successors, (535) [2023-02-14 14:12:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1739 transitions. [2023-02-14 14:12:03,105 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1739 transitions. Word has length 174 [2023-02-14 14:12:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:12:03,105 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 1739 transitions. [2023-02-14 14:12:03,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 15 states have internal predecessors, (66), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) [2023-02-14 14:12:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1739 transitions. [2023-02-14 14:12:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-14 14:12:03,108 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:12:03,108 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-14 14:12:03,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-02-14 14:12:03,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:03,317 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 14:12:03,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:12:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash 481921980, now seen corresponding path program 4 times [2023-02-14 14:12:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 14:12:03,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556330115] [2023-02-14 14:12:03,318 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:12:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 14:12:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 14:12:03,319 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 14:12:03,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-02-14 14:12:03,429 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:12:03,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:12:03,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-14 14:12:03,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:12:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:12:04,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:12:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:12:09,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 14:12:09,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556330115] [2023-02-14 14:12:09,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556330115] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:12:09,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 14:12:09,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2023-02-14 14:12:09,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486039919] [2023-02-14 14:12:09,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 14:12:09,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-14 14:12:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 14:12:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-14 14:12:09,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=7499, Unknown=0, NotChecked=0, Total=8742 [2023-02-14 14:12:09,083 INFO L87 Difference]: Start difference. First operand 1275 states and 1739 transitions. Second operand has 94 states, 93 states have (on average 2.967741935483871) internal successors, (276), 94 states have internal predecessors, (276), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)