./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 2329fc70 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-?-2329fc7 [2023-02-14 02:33:55,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:33:55,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:33:55,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:33:55,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:33:55,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:33:55,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:33:55,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:33:55,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:33:55,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:33:55,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:33:55,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:33:55,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:33:55,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:33:55,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:33:55,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:33:55,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:33:55,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:33:55,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:33:55,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:33:55,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:33:55,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:33:55,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:33:55,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:33:55,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:33:55,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:33:55,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:33:55,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:33:55,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:33:55,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:33:55,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:33:55,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:33:55,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:33:55,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:33:55,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:33:55,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:33:55,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:33:55,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:33:55,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:33:55,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:33:55,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:33:55,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 02:33:55,489 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:33:55,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:33:55,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:33:55,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:33:55,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:33:55,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:33:55,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:33:55,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:33:55,492 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:33:55,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:33:55,493 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:33:55,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:33:55,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:33:55,494 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:33:55,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:33:55,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:33:55,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:33:55,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:33:55,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:33:55,497 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:33:55,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:33:55,498 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:33:55,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-14 02:33:55,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:33:55,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:33:55,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:33:55,744 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:33:55,744 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:33:55,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 02:33:56,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:33:57,098 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:33:57,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 02:33:57,103 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22099d9f0/1b51b795a0ce46dca6f2b30703fd3692/FLAG6684c4ea9 [2023-02-14 02:33:57,113 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22099d9f0/1b51b795a0ce46dca6f2b30703fd3692 [2023-02-14 02:33:57,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:33:57,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:33:57,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:33:57,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:33:57,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:33:57,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7657a76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57, skipping insertion in model container [2023-02-14 02:33:57,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:33:57,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:33:57,277 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 02:33:57,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:33:57,286 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:33:57,304 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 02:33:57,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:33:57,314 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:33:57,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57 WrapperNode [2023-02-14 02:33:57,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:33:57,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:33:57,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:33:57,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:33:57,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,334 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-14 02:33:57,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:33:57,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:33:57,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:33:57,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:33:57,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:33:57,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:33:57,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:33:57,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:33:57,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (1/1) ... [2023-02-14 02:33:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:33:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:33:57,393 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 02:33:57,409 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 02:33:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:33:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-14 02:33:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-14 02:33:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-14 02:33:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-14 02:33:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 02:33:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:33:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:33:57,485 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:33:57,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:33:57,607 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:33:57,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:33:57,614 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 02:33:57,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:33:57 BoogieIcfgContainer [2023-02-14 02:33:57,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:33:57,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:33:57,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:33:57,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:33:57,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:33:57" (1/3) ... [2023-02-14 02:33:57,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b709e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:33:57, skipping insertion in model container [2023-02-14 02:33:57,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:33:57" (2/3) ... [2023-02-14 02:33:57,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b709e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:33:57, skipping insertion in model container [2023-02-14 02:33:57,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:33:57" (3/3) ... [2023-02-14 02:33:57,621 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-14 02:33:57,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:33:57,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-14 02:33:57,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:33:57,665 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;@1661a4ee, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:33:57,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-14 02:33:57,681 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 02:33:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:33:57,687 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:57,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:57,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:57,693 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2023-02-14 02:33:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:57,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550550946] [2023-02-14 02:33:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:57,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:57,934 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 02:33:57,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550550946] [2023-02-14 02:33:57,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550550946] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:33:57,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:33:57,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:33:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039901312] [2023-02-14 02:33:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:33:57,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:33:57,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:57,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:33:57,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:33:57,985 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 02:33:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:58,045 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2023-02-14 02:33:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:33:58,048 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 02:33:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:58,052 INFO L225 Difference]: With dead ends: 83 [2023-02-14 02:33:58,053 INFO L226 Difference]: Without dead ends: 66 [2023-02-14 02:33:58,054 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 02:33:58,057 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 02:33:58,057 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 02:33:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-14 02:33:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2023-02-14 02:33:58,081 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 02:33:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2023-02-14 02:33:58,083 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2023-02-14 02:33:58,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:58,100 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-02-14 02:33:58,100 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 02:33:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-02-14 02:33:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 02:33:58,101 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:58,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:58,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:33:58,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2023-02-14 02:33:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:58,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781211662] [2023-02-14 02:33:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,190 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 02:33:58,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:58,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781211662] [2023-02-14 02:33:58,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781211662] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:33:58,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:33:58,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:33:58,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642774610] [2023-02-14 02:33:58,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:33:58,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:33:58,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:58,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:33:58,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:33:58,194 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 02:33:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:58,245 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2023-02-14 02:33:58,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:33:58,245 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 02:33:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:58,246 INFO L225 Difference]: With dead ends: 78 [2023-02-14 02:33:58,246 INFO L226 Difference]: Without dead ends: 55 [2023-02-14 02:33:58,247 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 02:33:58,248 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 02:33:58,248 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 02:33:58,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-14 02:33:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2023-02-14 02:33:58,253 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 02:33:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-02-14 02:33:58,254 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2023-02-14 02:33:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:58,254 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-02-14 02:33:58,254 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 02:33:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-02-14 02:33:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-14 02:33:58,255 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:58,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:58,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:33:58,255 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:58,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:58,256 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2023-02-14 02:33:58,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:58,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319641599] [2023-02-14 02:33:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,296 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 02:33:58,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:58,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319641599] [2023-02-14 02:33:58,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319641599] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:33:58,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:33:58,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:33:58,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216010453] [2023-02-14 02:33:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:33:58,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:33:58,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:33:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:33:58,301 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 02:33:58,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:58,350 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2023-02-14 02:33:58,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:33:58,351 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 02:33:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:58,353 INFO L225 Difference]: With dead ends: 53 [2023-02-14 02:33:58,354 INFO L226 Difference]: Without dead ends: 51 [2023-02-14 02:33:58,354 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 02:33:58,356 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 02:33:58,358 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 02:33:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-02-14 02:33:58,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-02-14 02:33:58,366 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 02:33:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2023-02-14 02:33:58,367 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2023-02-14 02:33:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:58,367 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2023-02-14 02:33:58,367 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 02:33:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-02-14 02:33:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-14 02:33:58,368 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:58,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:58,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:33:58,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:58,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2023-02-14 02:33:58,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:58,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981938607] [2023-02-14 02:33:58,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,463 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 02:33:58,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:58,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981938607] [2023-02-14 02:33:58,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981938607] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:33:58,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800725718] [2023-02-14 02:33:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:33:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:33:58,471 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 02:33:58,472 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 02:33:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:33:58,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:33:58,563 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 02:33:58,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:33:58,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800725718] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:33:58,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 02:33:58,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-02-14 02:33:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553922485] [2023-02-14 02:33:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:33:58,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:33:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:58,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:33:58,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-14 02:33:58,566 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 02:33:58,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:58,581 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2023-02-14 02:33:58,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:33:58,582 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 02:33:58,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:58,583 INFO L225 Difference]: With dead ends: 51 [2023-02-14 02:33:58,583 INFO L226 Difference]: Without dead ends: 50 [2023-02-14 02:33:58,583 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 02:33:58,584 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 02:33:58,584 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 02:33:58,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-14 02:33:58,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-02-14 02:33:58,589 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 02:33:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-02-14 02:33:58,590 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2023-02-14 02:33:58,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:58,590 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-02-14 02:33:58,591 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 02:33:58,591 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-02-14 02:33:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 02:33:58,591 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:58,591 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:58,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 02:33:58,796 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 02:33:58,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:58,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:58,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2023-02-14 02:33:58,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:58,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060681330] [2023-02-14 02:33:58,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,863 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 02:33:58,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:58,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060681330] [2023-02-14 02:33:58,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060681330] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:33:58,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746210858] [2023-02-14 02:33:58,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:58,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:33:58,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:33:58,867 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 02:33:58,872 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 02:33:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:58,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-14 02:33:58,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:33:58,969 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 02:33:58,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:33:59,028 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 02:33:59,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746210858] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:33:59,029 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:33:59,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-14 02:33:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572419086] [2023-02-14 02:33:59,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:33:59,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:33:59,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:59,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:33:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:33:59,031 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 02:33:59,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:59,165 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2023-02-14 02:33:59,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-14 02:33:59,166 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 02:33:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:59,170 INFO L225 Difference]: With dead ends: 157 [2023-02-14 02:33:59,170 INFO L226 Difference]: Without dead ends: 156 [2023-02-14 02:33:59,171 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 02:33:59,173 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 154 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 02:33:59,173 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 02:33:59,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-14 02:33:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2023-02-14 02:33:59,197 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 02:33:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2023-02-14 02:33:59,198 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2023-02-14 02:33:59,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:59,199 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2023-02-14 02:33:59,199 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 02:33:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2023-02-14 02:33:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 02:33:59,199 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:59,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:33:59,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-14 02:33:59,404 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 02:33:59,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash -761944091, now seen corresponding path program 1 times [2023-02-14 02:33:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:59,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679150132] [2023-02-14 02:33:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,477 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 02:33:59,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:59,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679150132] [2023-02-14 02:33:59,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679150132] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:33:59,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462486739] [2023-02-14 02:33:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:33:59,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:33:59,494 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 02:33:59,496 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 02:33:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:33:59,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:33:59,554 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 02:33:59,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:33:59,603 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 02:33:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462486739] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:33:59,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:33:59,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-14 02:33:59,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952868672] [2023-02-14 02:33:59,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:33:59,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:33:59,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:59,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:33:59,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:33:59,606 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 02:33:59,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:33:59,681 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2023-02-14 02:33:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 02:33:59,681 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 02:33:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:33:59,682 INFO L225 Difference]: With dead ends: 95 [2023-02-14 02:33:59,682 INFO L226 Difference]: Without dead ends: 93 [2023-02-14 02:33:59,683 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 02:33:59,683 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, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 02:33:59,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 172 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 02:33:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-14 02:33:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-14 02:33:59,691 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 02:33:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2023-02-14 02:33:59,692 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2023-02-14 02:33:59,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:33:59,693 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2023-02-14 02:33:59,693 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 02:33:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-02-14 02:33:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 02:33:59,694 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:33:59,694 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 02:33:59,701 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 02:33:59,899 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 02:33:59,899 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:33:59,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:33:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2023-02-14 02:33:59,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:33:59,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85931937] [2023-02-14 02:33:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:33:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:33:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:33:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:33:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:33:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:33:59,978 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 02:33:59,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:33:59,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85931937] [2023-02-14 02:33:59,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85931937] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:33:59,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:33:59,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-14 02:33:59,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146200846] [2023-02-14 02:33:59,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:33:59,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:33:59,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:33:59,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:33:59,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:33:59,980 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 02:34:00,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:00,074 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2023-02-14 02:34:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-14 02:34:00,078 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 02:34:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:00,080 INFO L225 Difference]: With dead ends: 113 [2023-02-14 02:34:00,080 INFO L226 Difference]: Without dead ends: 110 [2023-02-14 02:34:00,081 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 02:34:00,081 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 02:34:00,082 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 02:34:00,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-02-14 02:34:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2023-02-14 02:34:00,104 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 02:34:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2023-02-14 02:34:00,106 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2023-02-14 02:34:00,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:00,106 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2023-02-14 02:34:00,106 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 02:34:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2023-02-14 02:34:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-14 02:34:00,108 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:00,108 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 02:34:00,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-14 02:34:00,109 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:00,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:00,109 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2023-02-14 02:34:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:00,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564101231] [2023-02-14 02:34:00,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:00,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,271 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 02:34:00,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:00,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564101231] [2023-02-14 02:34:00,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564101231] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:00,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745076528] [2023-02-14 02:34:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:00,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:00,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:00,273 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 02:34:00,276 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 02:34:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:34:00,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:00,359 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 02:34:00,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:34:00,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745076528] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:34:00,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 02:34:00,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2023-02-14 02:34:00,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508876797] [2023-02-14 02:34:00,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:34:00,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:34:00,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:34:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-02-14 02:34:00,361 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 02:34:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:00,393 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2023-02-14 02:34:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:34:00,394 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 02:34:00,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:00,395 INFO L225 Difference]: With dead ends: 103 [2023-02-14 02:34:00,395 INFO L226 Difference]: Without dead ends: 102 [2023-02-14 02:34:00,396 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 02:34:00,397 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 02:34:00,397 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 02:34:00,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-14 02:34:00,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-02-14 02:34:00,408 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 02:34:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2023-02-14 02:34:00,409 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2023-02-14 02:34:00,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:00,410 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2023-02-14 02:34:00,410 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 02:34:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2023-02-14 02:34:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-14 02:34:00,415 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:00,415 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 02:34:00,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-14 02:34:00,619 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 02:34:00,620 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:00,620 INFO L85 PathProgramCache]: Analyzing trace with hash 185702253, now seen corresponding path program 1 times [2023-02-14 02:34:00,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:00,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311803896] [2023-02-14 02:34:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,693 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 02:34:00,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:00,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311803896] [2023-02-14 02:34:00,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311803896] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:00,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372491028] [2023-02-14 02:34:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:00,695 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 02:34:00,697 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 02:34:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:00,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:34:00,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:00,749 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 02:34:00,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:00,801 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 02:34:00,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372491028] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:00,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:00,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-02-14 02:34:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392538548] [2023-02-14 02:34:00,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:00,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-14 02:34:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:00,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-14 02:34:00,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-02-14 02:34:00,817 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 02:34:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:01,068 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2023-02-14 02:34:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-14 02:34:01,068 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 02:34:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:01,069 INFO L225 Difference]: With dead ends: 163 [2023-02-14 02:34:01,069 INFO L226 Difference]: Without dead ends: 162 [2023-02-14 02:34:01,070 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 02:34:01,070 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 02:34:01,071 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 02:34:01,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-02-14 02:34:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2023-02-14 02:34:01,078 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 02:34:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2023-02-14 02:34:01,079 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2023-02-14 02:34:01,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:01,079 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2023-02-14 02:34:01,080 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 02:34:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2023-02-14 02:34:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 02:34:01,080 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:01,081 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 02:34:01,087 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 02:34:01,285 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 02:34:01,286 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:01,286 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2023-02-14 02:34:01,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:01,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414750712] [2023-02-14 02:34:01,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:01,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,346 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 02:34:01,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:01,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414750712] [2023-02-14 02:34:01,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414750712] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:34:01,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:34:01,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-14 02:34:01,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224498539] [2023-02-14 02:34:01,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:34:01,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:34:01,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:01,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:34:01,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:34:01,348 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 02:34:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:01,405 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2023-02-14 02:34:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:34:01,405 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 02:34:01,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:01,416 INFO L225 Difference]: With dead ends: 175 [2023-02-14 02:34:01,416 INFO L226 Difference]: Without dead ends: 164 [2023-02-14 02:34:01,416 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 02:34:01,417 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 02:34:01,418 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 02:34:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-02-14 02:34:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-02-14 02:34:01,427 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 02:34:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2023-02-14 02:34:01,429 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2023-02-14 02:34:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:01,429 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2023-02-14 02:34:01,429 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 02:34:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2023-02-14 02:34:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 02:34:01,430 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:01,430 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-14 02:34:01,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-14 02:34:01,430 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:01,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:01,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1870230916, now seen corresponding path program 2 times [2023-02-14 02:34:01,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:01,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339480077] [2023-02-14 02:34:01,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:01,596 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 02:34:01,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:01,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339480077] [2023-02-14 02:34:01,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339480077] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:01,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432603583] [2023-02-14 02:34:01,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:34:01,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:01,598 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 02:34:01,600 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 02:34:01,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:34:01,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:01,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-14 02:34:01,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:01,692 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 02:34:01,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:01,825 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 02:34:01,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432603583] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:01,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:01,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2023-02-14 02:34:01,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89062810] [2023-02-14 02:34:01,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:01,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 02:34:01,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:01,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 02:34:01,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-02-14 02:34:01,828 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 02:34:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:02,270 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2023-02-14 02:34:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-14 02:34:02,271 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 02:34:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:02,275 INFO L225 Difference]: With dead ends: 1095 [2023-02-14 02:34:02,275 INFO L226 Difference]: Without dead ends: 1094 [2023-02-14 02:34:02,276 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 02:34:02,276 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 571 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:02,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 577 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 02:34:02,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-02-14 02:34:02,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2023-02-14 02:34:02,293 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 02:34:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2023-02-14 02:34:02,296 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2023-02-14 02:34:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:02,296 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2023-02-14 02:34:02,296 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 02:34:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2023-02-14 02:34:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-14 02:34:02,297 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:02,298 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 02:34:02,316 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 02:34:02,514 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 02:34:02,514 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1922767742, now seen corresponding path program 2 times [2023-02-14 02:34:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:02,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391606190] [2023-02-14 02:34:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:02,675 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 02:34:02,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:02,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391606190] [2023-02-14 02:34:02,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391606190] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:02,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363160589] [2023-02-14 02:34:02,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:34:02,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:02,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:02,677 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 02:34:02,679 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 02:34:02,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:34:02,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:02,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 02:34:02,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:02,745 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 02:34:02,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:02,902 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 02:34:02,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363160589] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:02,903 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:02,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2023-02-14 02:34:02,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729305647] [2023-02-14 02:34:02,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:02,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-14 02:34:02,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:02,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-14 02:34:02,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2023-02-14 02:34:02,905 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 02:34:03,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:03,470 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2023-02-14 02:34:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-02-14 02:34:03,471 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 02:34:03,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:03,472 INFO L225 Difference]: With dead ends: 421 [2023-02-14 02:34:03,473 INFO L226 Difference]: Without dead ends: 420 [2023-02-14 02:34:03,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=841, Invalid=3191, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 02:34:03,474 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 748 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:03,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 96 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 02:34:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-02-14 02:34:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2023-02-14 02:34:03,498 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 02:34:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2023-02-14 02:34:03,500 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2023-02-14 02:34:03,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:03,501 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2023-02-14 02:34:03,501 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 02:34:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2023-02-14 02:34:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-14 02:34:03,502 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:03,502 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 02:34:03,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-02-14 02:34:03,706 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 02:34:03,707 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2023-02-14 02:34:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:03,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927991078] [2023-02-14 02:34:03,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:03,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,915 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 02:34:03,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:03,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927991078] [2023-02-14 02:34:03,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927991078] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:03,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441734192] [2023-02-14 02:34:03,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:03,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:03,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:03,929 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 02:34:03,963 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 02:34:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:03,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 02:34:03,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:04,053 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 02:34:04,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:04,341 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 02:34:04,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441734192] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:04,341 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:04,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2023-02-14 02:34:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720327274] [2023-02-14 02:34:04,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:04,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-02-14 02:34:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-02-14 02:34:04,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-02-14 02:34:04,343 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 02:34:04,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:04,781 INFO L93 Difference]: Finished difference Result 1032 states and 1755 transitions. [2023-02-14 02:34:04,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 02:34:04,782 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 02:34:04,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:04,785 INFO L225 Difference]: With dead ends: 1032 [2023-02-14 02:34:04,785 INFO L226 Difference]: Without dead ends: 678 [2023-02-14 02:34:04,797 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 02:34:04,798 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 164 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:04,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 160 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 02:34:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-02-14 02:34:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 644. [2023-02-14 02:34:04,826 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 02:34:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2023-02-14 02:34:04,829 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 48 [2023-02-14 02:34:04,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:04,829 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2023-02-14 02:34:04,830 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 02:34:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2023-02-14 02:34:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 02:34:04,831 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:04,831 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 02:34:04,846 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 02:34:05,036 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 02:34:05,037 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:05,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:05,037 INFO L85 PathProgramCache]: Analyzing trace with hash -976476894, now seen corresponding path program 3 times [2023-02-14 02:34:05,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:05,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401515110] [2023-02-14 02:34:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:05,391 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 02:34:05,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:05,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401515110] [2023-02-14 02:34:05,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401515110] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:05,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257578811] [2023-02-14 02:34:05,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:34:05,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:05,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:05,393 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 02:34:05,417 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 02:34:05,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-14 02:34:05,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:05,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-14 02:34:05,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:05,539 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 02:34:05,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:05,635 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 02:34:05,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257578811] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:05,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:05,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 8, 9] total 37 [2023-02-14 02:34:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091121543] [2023-02-14 02:34:05,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:05,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-02-14 02:34:05,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:05,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-02-14 02:34:05,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1115, Unknown=0, NotChecked=0, Total=1332 [2023-02-14 02:34:05,638 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 02:34:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:06,520 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2023-02-14 02:34:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-14 02:34:06,520 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 02:34:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:06,524 INFO L225 Difference]: With dead ends: 879 [2023-02-14 02:34:06,524 INFO L226 Difference]: Without dead ends: 713 [2023-02-14 02:34:06,526 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 02:34:06,526 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 02:34:06,526 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 02:34:06,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-02-14 02:34:06,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 667. [2023-02-14 02:34:06,560 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 02:34:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 931 transitions. [2023-02-14 02:34:06,564 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 931 transitions. Word has length 78 [2023-02-14 02:34:06,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:06,565 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 931 transitions. [2023-02-14 02:34:06,565 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 02:34:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 931 transitions. [2023-02-14 02:34:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 02:34:06,567 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:06,567 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-14 02:34:06,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-02-14 02:34:06,773 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 02:34:06,774 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:06,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:06,774 INFO L85 PathProgramCache]: Analyzing trace with hash 704150748, now seen corresponding path program 3 times [2023-02-14 02:34:06,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:06,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107821253] [2023-02-14 02:34:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:06,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:07,232 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 02:34:07,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:07,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107821253] [2023-02-14 02:34:07,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107821253] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:07,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710571012] [2023-02-14 02:34:07,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:34:07,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:07,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:07,237 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 02:34:07,261 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 02:34:07,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 02:34:07,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:07,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-14 02:34:07,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:07,417 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 02:34:07,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:07,882 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 02:34:07,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710571012] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:07,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:07,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2023-02-14 02:34:07,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175090835] [2023-02-14 02:34:07,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:07,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-14 02:34:07,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:07,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-14 02:34:07,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 02:34:07,888 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 02:34:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:09,238 INFO L93 Difference]: Finished difference Result 5814 states and 8063 transitions. [2023-02-14 02:34:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-14 02:34:09,239 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 02:34:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:09,259 INFO L225 Difference]: With dead ends: 5814 [2023-02-14 02:34:09,259 INFO L226 Difference]: Without dead ends: 5733 [2023-02-14 02:34:09,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2023-02-14 02:34:09,266 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1400 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:09,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 1078 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [586 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 02:34:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2023-02-14 02:34:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 1256. [2023-02-14 02:34:09,426 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 02:34:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2481 transitions. [2023-02-14 02:34:09,436 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2481 transitions. Word has length 78 [2023-02-14 02:34:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:09,436 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 2481 transitions. [2023-02-14 02:34:09,437 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 02:34:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2481 transitions. [2023-02-14 02:34:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-14 02:34:09,441 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:09,441 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 02:34:09,446 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 02:34:09,646 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 02:34:09,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 672059117, now seen corresponding path program 4 times [2023-02-14 02:34:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:09,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758992320] [2023-02-14 02:34:09,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:10,102 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 02:34:10,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:10,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758992320] [2023-02-14 02:34:10,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758992320] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:10,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092785415] [2023-02-14 02:34:10,102 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:34:10,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:10,103 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 02:34:10,117 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 02:34:10,177 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:34:10,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:10,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-14 02:34:10,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:10,283 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 02:34:10,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:10,471 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 02:34:10,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092785415] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:10,471 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:10,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2023-02-14 02:34:10,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615312597] [2023-02-14 02:34:10,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:10,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-14 02:34:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:10,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-14 02:34:10,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2023-02-14 02:34:10,476 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 02:34:10,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:10,979 INFO L93 Difference]: Finished difference Result 2311 states and 5079 transitions. [2023-02-14 02:34:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-14 02:34:10,980 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 02:34:10,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:10,988 INFO L225 Difference]: With dead ends: 2311 [2023-02-14 02:34:10,988 INFO L226 Difference]: Without dead ends: 1090 [2023-02-14 02:34:10,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 02:34:10,998 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 02:34:10,998 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 02:34:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-02-14 02:34:11,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 957. [2023-02-14 02:34:11,054 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 02:34:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1431 transitions. [2023-02-14 02:34:11,061 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1431 transitions. Word has length 115 [2023-02-14 02:34:11,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:11,061 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1431 transitions. [2023-02-14 02:34:11,061 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 02:34:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1431 transitions. [2023-02-14 02:34:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-14 02:34:11,066 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:11,066 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 02:34:11,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-02-14 02:34:11,273 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 02:34:11,274 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:11,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:11,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1192003213, now seen corresponding path program 2 times [2023-02-14 02:34:11,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:11,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061641617] [2023-02-14 02:34:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,464 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 02:34:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:11,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061641617] [2023-02-14 02:34:11,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061641617] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:11,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113949120] [2023-02-14 02:34:11,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:34:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:11,466 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 02:34:11,468 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 02:34:11,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:34:11,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:11,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 02:34:11,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:11,586 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 02:34:11,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:34:11,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113949120] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:34:11,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-14 02:34:11,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-02-14 02:34:11,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513436] [2023-02-14 02:34:11,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:34:11,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 02:34:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 02:34:11,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-02-14 02:34:11,589 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 02:34:11,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:11,640 INFO L93 Difference]: Finished difference Result 957 states and 1431 transitions. [2023-02-14 02:34:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:34:11,640 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 02:34:11,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:11,644 INFO L225 Difference]: With dead ends: 957 [2023-02-14 02:34:11,644 INFO L226 Difference]: Without dead ends: 955 [2023-02-14 02:34:11,645 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 02:34:11,645 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 02:34:11,646 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 02:34:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-02-14 02:34:11,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2023-02-14 02:34:11,694 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 02:34:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1407 transitions. [2023-02-14 02:34:11,698 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1407 transitions. Word has length 144 [2023-02-14 02:34:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:11,698 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1407 transitions. [2023-02-14 02:34:11,698 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 02:34:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1407 transitions. [2023-02-14 02:34:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-02-14 02:34:11,700 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:11,700 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 02:34:11,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-02-14 02:34:11,905 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 02:34:11,906 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2023-02-14 02:34:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:11,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734361734] [2023-02-14 02:34:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,034 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 02:34:12,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:12,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734361734] [2023-02-14 02:34:12,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734361734] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:12,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122934121] [2023-02-14 02:34:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:12,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:12,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:12,063 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 02:34:12,064 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 02:34:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 02:34:12,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:12,162 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 02:34:12,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:12,292 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 02:34:12,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122934121] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:12,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:12,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-02-14 02:34:12,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673083724] [2023-02-14 02:34:12,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:12,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-14 02:34:12,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:12,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-14 02:34:12,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-02-14 02:34:12,294 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 02:34:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:12,447 INFO L93 Difference]: Finished difference Result 1178 states and 1690 transitions. [2023-02-14 02:34:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 02:34:12,448 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 02:34:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:12,452 INFO L225 Difference]: With dead ends: 1178 [2023-02-14 02:34:12,452 INFO L226 Difference]: Without dead ends: 1113 [2023-02-14 02:34:12,453 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 02:34:12,453 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 02:34:12,454 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 02:34:12,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-02-14 02:34:12,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2023-02-14 02:34:12,517 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 02:34:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1554 transitions. [2023-02-14 02:34:12,523 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1554 transitions. Word has length 145 [2023-02-14 02:34:12,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:12,523 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1554 transitions. [2023-02-14 02:34:12,523 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 02:34:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1554 transitions. [2023-02-14 02:34:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-02-14 02:34:12,527 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:12,528 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 02:34:12,547 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 02:34:12,734 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 02:34:12,734 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:12,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:12,735 INFO L85 PathProgramCache]: Analyzing trace with hash 907143385, now seen corresponding path program 2 times [2023-02-14 02:34:12,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:12,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336530921] [2023-02-14 02:34:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:13,037 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 02:34:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:13,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336530921] [2023-02-14 02:34:13,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336530921] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:13,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012437967] [2023-02-14 02:34:13,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:34:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:13,039 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 02:34:13,071 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 02:34:13,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:34:13,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:13,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-14 02:34:13,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:13,430 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 02:34:13,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:14,505 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 02:34:14,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012437967] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:14,505 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:14,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2023-02-14 02:34:14,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596225091] [2023-02-14 02:34:14,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:14,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-02-14 02:34:14,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:14,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-02-14 02:34:14,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2023-02-14 02:34:14,507 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 02:34:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:15,392 INFO L93 Difference]: Finished difference Result 1849 states and 2775 transitions. [2023-02-14 02:34:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-14 02:34:15,392 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 02:34:15,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:15,398 INFO L225 Difference]: With dead ends: 1849 [2023-02-14 02:34:15,398 INFO L226 Difference]: Without dead ends: 1296 [2023-02-14 02:34:15,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 365 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=663, Invalid=4029, Unknown=0, NotChecked=0, Total=4692 [2023-02-14 02:34:15,401 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 298 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:15,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 193 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 02:34:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2023-02-14 02:34:15,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1230. [2023-02-14 02:34:15,444 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 02:34:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1794 transitions. [2023-02-14 02:34:15,448 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1794 transitions. Word has length 181 [2023-02-14 02:34:15,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:15,449 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1794 transitions. [2023-02-14 02:34:15,449 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 02:34:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1794 transitions. [2023-02-14 02:34:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-14 02:34:15,452 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:15,452 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-14 02:34:15,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-02-14 02:34:15,656 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 02:34:15,657 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:15,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:15,657 INFO L85 PathProgramCache]: Analyzing trace with hash 545487260, now seen corresponding path program 4 times [2023-02-14 02:34:15,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:15,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132049251] [2023-02-14 02:34:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:15,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:17,055 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 02:34:17,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:17,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132049251] [2023-02-14 02:34:17,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132049251] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:17,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91942163] [2023-02-14 02:34:17,056 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:34:17,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:17,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:17,060 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 02:34:17,061 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 02:34:17,176 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:34:17,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:17,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-14 02:34:17,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:17,348 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 02:34:17,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:19,015 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 02:34:19,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91942163] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:19,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:19,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2023-02-14 02:34:19,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016270256] [2023-02-14 02:34:19,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:19,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-14 02:34:19,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:19,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-14 02:34:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2023-02-14 02:34:19,020 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 02:34:22,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:22,245 INFO L93 Difference]: Finished difference Result 5679 states and 9178 transitions. [2023-02-14 02:34:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-14 02:34:22,246 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 02:34:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:22,277 INFO L225 Difference]: With dead ends: 5679 [2023-02-14 02:34:22,278 INFO L226 Difference]: Without dead ends: 5678 [2023-02-14 02:34:22,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2023-02-14 02:34:22,285 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2140 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 1939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1939 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:22,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2140 Valid, 1913 Invalid, 4167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1939 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-02-14 02:34:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2023-02-14 02:34:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 2262. [2023-02-14 02:34:22,423 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 02:34:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 5538 transitions. [2023-02-14 02:34:22,440 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 5538 transitions. Word has length 162 [2023-02-14 02:34:22,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:22,440 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 5538 transitions. [2023-02-14 02:34:22,440 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 02:34:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 5538 transitions. [2023-02-14 02:34:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-02-14 02:34:22,503 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:22,503 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-02-14 02:34:22,530 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 02:34:22,713 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 02:34:22,714 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:22,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:22,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1315056868, now seen corresponding path program 5 times [2023-02-14 02:34:22,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:22,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278873648] [2023-02-14 02:34:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:27,981 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 02:34:27,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:27,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278873648] [2023-02-14 02:34:27,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278873648] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:27,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242784026] [2023-02-14 02:34:27,982 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:34:27,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:27,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:27,983 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 02:34:27,986 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 02:34:28,305 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-14 02:34:28,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:28,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 189 conjunts are in the unsatisfiable core [2023-02-14 02:34:28,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:28,702 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 02:34:28,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:33,994 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 02:34:33,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242784026] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:33,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:33,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2023-02-14 02:34:33,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536760796] [2023-02-14 02:34:33,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:33,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-14 02:34:33,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:33,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-14 02:34:34,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2023-02-14 02:34:34,003 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 02:34:50,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:50,230 INFO L93 Difference]: Finished difference Result 17991 states and 35686 transitions. [2023-02-14 02:34:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-14 02:34:50,231 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 02:34:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:50,339 INFO L225 Difference]: With dead ends: 17991 [2023-02-14 02:34:50,340 INFO L226 Difference]: Without dead ends: 17990 [2023-02-14 02:34:50,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2023-02-14 02:34:50,359 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 7302 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 8618 mSolverCounterSat, 9335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7302 SdHoareTripleChecker+Valid, 5434 SdHoareTripleChecker+Invalid, 17953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9335 IncrementalHoareTripleChecker+Valid, 8618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:34:50,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 5434 Invalid, 17953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9335 Valid, 8618 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-02-14 02:34:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17990 states. [2023-02-14 02:34:50,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17990 to 4326. [2023-02-14 02:34:50,918 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 02:34:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4326 states to 4326 states and 21222 transitions. [2023-02-14 02:34:51,011 INFO L78 Accepts]: Start accepts. Automaton has 4326 states and 21222 transitions. Word has length 330 [2023-02-14 02:34:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:51,012 INFO L495 AbstractCegarLoop]: Abstraction has 4326 states and 21222 transitions. [2023-02-14 02:34:51,012 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 02:34:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4326 states and 21222 transitions. [2023-02-14 02:34:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2023-02-14 02:34:51,037 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:51,038 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 02:34:51,047 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 02:34:51,244 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 02:34:51,244 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:51,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1705243859, now seen corresponding path program 3 times [2023-02-14 02:34:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:51,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260746720] [2023-02-14 02:34:51,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:51,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 02:34:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-14 02:34:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:51,921 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 02:34:51,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:51,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260746720] [2023-02-14 02:34:51,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260746720] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:51,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799826585] [2023-02-14 02:34:51,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:34:51,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:51,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:51,923 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 02:34:51,927 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 02:34:52,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-14 02:34:52,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:52,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-14 02:34:52,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:52,143 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 02:34:52,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:34:53,528 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 02:34:53,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799826585] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:34:53,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:34:53,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2023-02-14 02:34:53,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652544979] [2023-02-14 02:34:53,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:34:53,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-14 02:34:53,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:34:53,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-14 02:34:53,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2023-02-14 02:34:53,531 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 02:34:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:34:53,960 INFO L93 Difference]: Finished difference Result 4887 states and 21866 transitions. [2023-02-14 02:34:53,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-14 02:34:53,960 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 02:34:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:34:54,088 INFO L225 Difference]: With dead ends: 4887 [2023-02-14 02:34:54,089 INFO L226 Difference]: Without dead ends: 4470 [2023-02-14 02:34:54,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1329 GetRequests, 1276 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=627, Invalid=2343, Unknown=0, NotChecked=0, Total=2970 [2023-02-14 02:34:54,100 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 02:34:54,100 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 02:34:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2023-02-14 02:34:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4470. [2023-02-14 02:34:54,667 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 02:34:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 21366 transitions. [2023-02-14 02:34:54,780 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 21366 transitions. Word has length 577 [2023-02-14 02:34:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:34:54,781 INFO L495 AbstractCegarLoop]: Abstraction has 4470 states and 21366 transitions. [2023-02-14 02:34:54,781 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 02:34:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 21366 transitions. [2023-02-14 02:34:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-02-14 02:34:54,838 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:34:54,839 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 02:34:54,848 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 02:34:55,044 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 02:34:55,044 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:34:55,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:34:55,045 INFO L85 PathProgramCache]: Analyzing trace with hash -160341863, now seen corresponding path program 4 times [2023-02-14 02:34:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:34:55,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858969270] [2023-02-14 02:34:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:34:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:34:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:34:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 02:34:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:34:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:34:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:34:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:34:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:34:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-02-14 02:34:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:34:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:34:56,664 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 02:34:56,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:34:56,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858969270] [2023-02-14 02:34:56,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858969270] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:34:56,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340878097] [2023-02-14 02:34:56,665 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:34:56,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:34:56,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:34:56,687 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 02:34:56,697 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 02:34:57,060 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:34:57,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:34:57,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 66 conjunts are in the unsatisfiable core [2023-02-14 02:34:57,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:34:58,087 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 02:34:58,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:35:06,070 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 02:35:06,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340878097] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:35:06,070 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:35:06,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 50, 67] total 125 [2023-02-14 02:35:06,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441912276] [2023-02-14 02:35:06,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:35:06,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2023-02-14 02:35:06,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:35:06,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2023-02-14 02:35:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=14027, Unknown=0, NotChecked=0, Total=15500 [2023-02-14 02:35:06,074 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 02:35:13,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:35:13,543 INFO L93 Difference]: Finished difference Result 6820 states and 37187 transitions. [2023-02-14 02:35:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-02-14 02:35:13,549 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 02:35:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:35:13,707 INFO L225 Difference]: With dead ends: 6820 [2023-02-14 02:35:13,708 INFO L226 Difference]: Without dead ends: 6176 [2023-02-14 02:35:13,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1782 GetRequests, 1479 SyntacticMatches, 18 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27388 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=12362, Invalid=69720, Unknown=0, NotChecked=0, Total=82082 [2023-02-14 02:35:13,728 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1680 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 11875 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 13680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 11875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-02-14 02:35:13,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 315 Invalid, 13680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 11875 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-02-14 02:35:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2023-02-14 02:35:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5468. [2023-02-14 02:35:14,424 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 02:35:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 33280 transitions. [2023-02-14 02:35:14,580 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 33280 transitions. Word has length 721 [2023-02-14 02:35:14,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:35:14,581 INFO L495 AbstractCegarLoop]: Abstraction has 5468 states and 33280 transitions. [2023-02-14 02:35:14,581 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 02:35:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 33280 transitions. [2023-02-14 02:35:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2023-02-14 02:35:14,969 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:35:14,969 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 02:35:14,993 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 02:35:15,178 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 02:35:15,178 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:35:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:35:15,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1924989581, now seen corresponding path program 5 times [2023-02-14 02:35:15,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:35:15,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372509945] [2023-02-14 02:35:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:35:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:35:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-14 02:35:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:35:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 02:35:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:35:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-14 02:35:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:35:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-14 02:35:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-14 02:35:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-14 02:35:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-14 02:35:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-14 02:35:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-14 02:35:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1071 [2023-02-14 02:35:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-14 02:35:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:18,022 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 02:35:18,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:35:18,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372509945] [2023-02-14 02:35:18,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372509945] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:35:18,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065414097] [2023-02-14 02:35:18,023 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 02:35:18,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:35:18,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:35:18,026 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 02:35:18,027 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 02:35:19,186 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2023-02-14 02:35:19,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:35:19,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-14 02:35:19,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:35:19,377 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 02:35:19,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:35:26,167 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 02:35:26,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065414097] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:35:26,168 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 02:35:26,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 61 [2023-02-14 02:35:26,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908681499] [2023-02-14 02:35:26,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 02:35:26,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-02-14 02:35:26,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:35:26,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-02-14 02:35:26,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=2849, Unknown=0, NotChecked=0, Total=3782 [2023-02-14 02:35:26,171 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 02:35:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:35:27,127 INFO L93 Difference]: Finished difference Result 6966 states and 35002 transitions. [2023-02-14 02:35:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-02-14 02:35:27,127 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 02:35:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:35:27,355 INFO L225 Difference]: With dead ends: 6966 [2023-02-14 02:35:27,355 INFO L226 Difference]: Without dead ends: 5214 [2023-02-14 02:35:27,372 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 02:35:27,372 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 02:35:27,373 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 02:35:27,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2023-02-14 02:35:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5118. [2023-02-14 02:35:28,159 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 02:35:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 32648 transitions. [2023-02-14 02:35:28,339 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 32648 transitions. Word has length 1235 [2023-02-14 02:35:28,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:35:28,340 INFO L495 AbstractCegarLoop]: Abstraction has 5118 states and 32648 transitions. [2023-02-14 02:35:28,340 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 02:35:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 32648 transitions. [2023-02-14 02:35:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-02-14 02:35:28,473 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:35:28,473 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2023-02-14 02:35:28,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-02-14 02:35:28,683 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 02:35:28,683 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:35:28,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:35:28,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1826355684, now seen corresponding path program 6 times [2023-02-14 02:35:28,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:35:28,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981401402] [2023-02-14 02:35:28,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:35:28,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:35:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:35:50,580 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 02:35:50,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:35:50,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981401402] [2023-02-14 02:35:50,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981401402] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 02:35:50,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438525265] [2023-02-14 02:35:50,581 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-14 02:35:50,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 02:35:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:35:50,583 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 02:35:50,584 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 02:35:51,683 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2023-02-14 02:35:51,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:35:51,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2697 conjuncts, 161 conjunts are in the unsatisfiable core [2023-02-14 02:35:51,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:21,054 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 31 dual juncts. [2023-02-14 02:36:21,057 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-02-14 02:36:21,083 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 02:36:21,258 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 02:36:21,258 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 02:36:21,262 INFO L158 Benchmark]: Toolchain (without parser) took 144146.16ms. Allocated memory was 134.2MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 104.8MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.14ms. Allocated memory is still 134.2MB. Free memory was 104.3MB in the beginning and 94.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.27ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 92.2MB in the end (delta: 729.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: RCFGBuilder took 253.95ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:36:21,262 INFO L158 Benchmark]: TraceAbstraction took 143644.57ms. Allocated memory was 134.2MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 80.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-02-14 02:36:21,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.14ms. Allocated memory is still 134.2MB. Free memory was 104.3MB in the beginning and 94.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.27ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.26ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 92.2MB in the end (delta: 729.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.95ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 80.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 143644.57ms. Allocated memory was 134.2MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 80.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-02-14 02:36:21,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-?-2329fc7 [2023-02-14 02:36:23,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:36:23,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:36:23,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:36:23,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:36:23,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:36:23,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:36:23,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:36:23,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:36:23,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:36:23,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:36:23,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:36:23,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:36:23,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:36:23,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:36:23,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:36:23,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:36:23,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:36:23,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:36:23,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:36:23,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:36:23,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:36:23,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:36:23,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:36:23,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:36:23,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:36:23,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:36:23,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:36:23,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:36:23,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:36:23,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:36:23,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:36:23,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:36:23,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:36:23,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:36:23,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:36:23,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:36:23,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:36:23,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:36:23,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:36:23,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:36:23,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-02-14 02:36:23,387 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:36:23,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:36:23,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:36:23,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:36:23,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:36:23,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:36:23,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:36:23,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:36:23,391 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:36:23,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:36:23,391 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:36:23,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:36:23,393 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:36:23,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:36:23,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:36:23,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:36:23,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:36:23,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:36:23,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:36:23,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:36:23,396 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:36:23,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:36:23,396 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 02:36:23,396 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:36:23,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-14 02:36:23,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:36:23,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:36:23,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:36:23,746 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:36:23,746 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:36:23,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 02:36:24,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:36:24,987 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:36:24,988 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-14 02:36:24,996 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ef0294e/d347270ac3a1483687964dfcd63294ad/FLAG8ee2c2578 [2023-02-14 02:36:25,006 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ef0294e/d347270ac3a1483687964dfcd63294ad [2023-02-14 02:36:25,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:36:25,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:36:25,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:36:25,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:36:25,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:36:25,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afb4735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25, skipping insertion in model container [2023-02-14 02:36:25,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:36:25,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:36:25,140 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 02:36:25,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:36:25,155 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:36:25,187 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 02:36:25,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:36:25,202 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:36:25,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25 WrapperNode [2023-02-14 02:36:25,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:36:25,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:36:25,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:36:25,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:36:25,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,226 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-14 02:36:25,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:36:25,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:36:25,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:36:25,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:36:25,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:36:25,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:36:25,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:36:25,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:36:25,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (1/1) ... [2023-02-14 02:36:25,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:36:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:36:25,321 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 02:36:25,340 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 02:36:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 02:36:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-14 02:36:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-14 02:36:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-14 02:36:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-14 02:36:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 02:36:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:36:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:36:25,415 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:36:25,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:36:25,574 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:36:25,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:36:25,578 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 02:36:25,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:36:25 BoogieIcfgContainer [2023-02-14 02:36:25,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:36:25,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:36:25,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:36:25,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:36:25,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:36:25" (1/3) ... [2023-02-14 02:36:25,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fe0a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:36:25, skipping insertion in model container [2023-02-14 02:36:25,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:36:25" (2/3) ... [2023-02-14 02:36:25,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fe0a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:36:25, skipping insertion in model container [2023-02-14 02:36:25,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:36:25" (3/3) ... [2023-02-14 02:36:25,586 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-14 02:36:25,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:36:25,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-14 02:36:25,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:36:25,632 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;@4aa7c4a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:36:25,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-14 02:36:25,636 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 02:36:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:36:25,641 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:25,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:36:25,642 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1081008278, now seen corresponding path program 1 times [2023-02-14 02:36:25,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:25,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612996591] [2023-02-14 02:36:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:25,659 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 02:36:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:25,675 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 02:36:25,676 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 02:36:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:25,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-14 02:36:25,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:25,763 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 02:36:25,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:36:25,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:25,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612996591] [2023-02-14 02:36:25,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612996591] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:36:25,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:36:25,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-14 02:36:25,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624638675] [2023-02-14 02:36:25,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:36:25,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 02:36:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 02:36:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 02:36:25,796 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 02:36:25,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:25,812 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2023-02-14 02:36:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 02:36:25,813 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 02:36:25,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:25,817 INFO L225 Difference]: With dead ends: 49 [2023-02-14 02:36:25,817 INFO L226 Difference]: Without dead ends: 34 [2023-02-14 02:36:25,828 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 02:36:25,830 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 02:36:25,831 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 02:36:25,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-14 02:36:25,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-14 02:36:25,857 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 02:36:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-02-14 02:36:25,862 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 7 [2023-02-14 02:36:25,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:25,863 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-02-14 02:36:25,863 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 02:36:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-02-14 02:36:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 02:36:25,864 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:25,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:36:25,877 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 02:36:26,070 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 02:36:26,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:26,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash 848481788, now seen corresponding path program 1 times [2023-02-14 02:36:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:26,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429258828] [2023-02-14 02:36:26,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:26,072 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 02:36:26,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:26,073 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 02:36:26,076 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 02:36:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:26,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 02:36:26,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:26,140 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 02:36:26,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:36:26,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:26,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429258828] [2023-02-14 02:36:26,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429258828] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:36:26,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:36:26,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:36:26,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190371930] [2023-02-14 02:36:26,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:36:26,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:36:26,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:26,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:36:26,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:36:26,143 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 02:36:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:26,166 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2023-02-14 02:36:26,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:36:26,167 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 02:36:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:26,168 INFO L225 Difference]: With dead ends: 56 [2023-02-14 02:36:26,168 INFO L226 Difference]: Without dead ends: 55 [2023-02-14 02:36:26,168 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 02:36:26,169 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 02:36:26,169 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 02:36:26,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-14 02:36:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2023-02-14 02:36:26,175 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 02:36:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-02-14 02:36:26,178 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 8 [2023-02-14 02:36:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:26,178 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-02-14 02:36:26,178 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 02:36:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-02-14 02:36:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 02:36:26,179 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:26,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:36:26,187 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 02:36:26,385 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 02:36:26,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:26,387 INFO L85 PathProgramCache]: Analyzing trace with hash 533131692, now seen corresponding path program 1 times [2023-02-14 02:36:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:26,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565197146] [2023-02-14 02:36:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:26,388 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 02:36:26,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:26,393 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 02:36:26,395 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 02:36:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:26,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:36:26,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:26,469 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 02:36:26,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:36:26,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565197146] [2023-02-14 02:36:26,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565197146] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:36:26,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:36:26,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:36:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851695802] [2023-02-14 02:36:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:36:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:36:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:26,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:36:26,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:36:26,472 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 02:36:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:26,547 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2023-02-14 02:36:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:36:26,548 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 02:36:26,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:26,549 INFO L225 Difference]: With dead ends: 65 [2023-02-14 02:36:26,550 INFO L226 Difference]: Without dead ends: 46 [2023-02-14 02:36:26,550 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 02:36:26,551 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 02:36:26,552 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 02:36:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-14 02:36:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-02-14 02:36:26,557 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 02:36:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-02-14 02:36:26,558 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 9 [2023-02-14 02:36:26,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:26,559 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-02-14 02:36:26,559 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 02:36:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-02-14 02:36:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 02:36:26,560 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:26,560 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:36:26,566 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 02:36:26,762 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 02:36:26,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:26,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:26,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1215034722, now seen corresponding path program 1 times [2023-02-14 02:36:26,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:26,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23993172] [2023-02-14 02:36:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:26,764 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 02:36:26,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:26,769 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 02:36:26,770 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 02:36:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:26,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-14 02:36:26,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:26,839 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 02:36:26,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:26,942 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 02:36:26,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:26,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23993172] [2023-02-14 02:36:26,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23993172] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:26,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:26,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-14 02:36:26,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771785303] [2023-02-14 02:36:26,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:26,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 02:36:26,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 02:36:26,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-14 02:36:26,950 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 02:36:27,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:27,214 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2023-02-14 02:36:27,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 02:36:27,216 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 02:36:27,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:27,218 INFO L225 Difference]: With dead ends: 141 [2023-02-14 02:36:27,218 INFO L226 Difference]: Without dead ends: 140 [2023-02-14 02:36:27,219 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 02:36:27,220 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 105 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 02:36:27,220 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 02:36:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-02-14 02:36:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 85. [2023-02-14 02:36:27,239 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 02:36:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2023-02-14 02:36:27,245 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 15 [2023-02-14 02:36:27,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:27,245 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2023-02-14 02:36:27,245 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 02:36:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-02-14 02:36:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-14 02:36:27,246 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:27,246 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:36:27,257 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 02:36:27,453 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 02:36:27,454 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:27,455 INFO L85 PathProgramCache]: Analyzing trace with hash -988629242, now seen corresponding path program 1 times [2023-02-14 02:36:27,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:27,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906800264] [2023-02-14 02:36:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:27,455 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 02:36:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:27,459 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 02:36:27,460 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 02:36:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:27,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:36:27,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:27,638 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 02:36:27,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:27,889 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 02:36:27,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:27,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906800264] [2023-02-14 02:36:27,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906800264] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:27,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:27,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-14 02:36:27,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88037821] [2023-02-14 02:36:27,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:27,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:36:27,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:27,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:36:27,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:36:27,898 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 02:36:28,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:28,140 INFO L93 Difference]: Finished difference Result 91 states and 122 transitions. [2023-02-14 02:36:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 02:36:28,141 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 02:36:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:28,142 INFO L225 Difference]: With dead ends: 91 [2023-02-14 02:36:28,143 INFO L226 Difference]: Without dead ends: 89 [2023-02-14 02:36:28,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-02-14 02:36:28,144 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 02:36:28,144 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 02:36:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-14 02:36:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-02-14 02:36:28,168 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 02:36:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2023-02-14 02:36:28,170 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 16 [2023-02-14 02:36:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:28,171 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2023-02-14 02:36:28,171 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 02:36:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2023-02-14 02:36:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 02:36:28,172 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:28,173 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 02:36:28,201 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 02:36:28,382 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 02:36:28,384 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:28,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:28,385 INFO L85 PathProgramCache]: Analyzing trace with hash 821082338, now seen corresponding path program 1 times [2023-02-14 02:36:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:28,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872433465] [2023-02-14 02:36:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:28,386 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 02:36:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:28,389 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 02:36:28,390 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 02:36:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:28,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-14 02:36:28,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:28,490 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 02:36:28,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:28,658 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 02:36:28,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:28,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872433465] [2023-02-14 02:36:28,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872433465] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:28,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:28,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2023-02-14 02:36:28,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220668513] [2023-02-14 02:36:28,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:28,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-14 02:36:28,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:28,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-14 02:36:28,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-02-14 02:36:28,660 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 02:36:28,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:28,803 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2023-02-14 02:36:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 02:36:28,803 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 02:36:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:28,804 INFO L225 Difference]: With dead ends: 182 [2023-02-14 02:36:28,804 INFO L226 Difference]: Without dead ends: 100 [2023-02-14 02:36:28,805 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 02:36:28,806 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 02:36:28,806 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 02:36:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-02-14 02:36:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-02-14 02:36:28,820 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 02:36:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2023-02-14 02:36:28,822 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 28 [2023-02-14 02:36:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:28,822 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2023-02-14 02:36:28,822 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 02:36:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-02-14 02:36:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-14 02:36:28,823 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:28,823 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-14 02:36:28,832 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 (7)] Ended with exit code 0 [2023-02-14 02:36:29,029 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 02:36:29,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:29,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash 590585980, now seen corresponding path program 2 times [2023-02-14 02:36:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:29,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992912631] [2023-02-14 02:36:29,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:36:29,033 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 02:36:29,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:29,034 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 02:36:29,037 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 02:36:29,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:36:29,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:29,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-14 02:36:29,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:29,229 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 02:36:29,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:29,539 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 02:36:29,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:29,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992912631] [2023-02-14 02:36:29,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992912631] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:29,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:29,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2023-02-14 02:36:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081433914] [2023-02-14 02:36:29,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:29,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-14 02:36:29,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-14 02:36:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-02-14 02:36:29,541 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 02:36:30,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:30,854 INFO L93 Difference]: Finished difference Result 348 states and 490 transitions. [2023-02-14 02:36:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-14 02:36:30,856 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 02:36:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:30,858 INFO L225 Difference]: With dead ends: 348 [2023-02-14 02:36:30,858 INFO L226 Difference]: Without dead ends: 347 [2023-02-14 02:36:30,859 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 02:36:30,859 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, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 02:36:30,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1189 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 02:36:30,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-02-14 02:36:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 228. [2023-02-14 02:36:30,904 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 02:36:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 358 transitions. [2023-02-14 02:36:30,907 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 358 transitions. Word has length 36 [2023-02-14 02:36:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:30,908 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 358 transitions. [2023-02-14 02:36:30,908 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 02:36:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 358 transitions. [2023-02-14 02:36:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-14 02:36:30,915 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:30,915 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 02:36:30,938 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 02:36:31,123 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 02:36:31,125 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1863188226, now seen corresponding path program 2 times [2023-02-14 02:36:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:31,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063357784] [2023-02-14 02:36:31,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:36:31,126 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 02:36:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:31,127 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 02:36:31,129 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 02:36:31,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-14 02:36:31,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:31,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 02:36:31,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:31,197 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 02:36:31,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:36:31,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:31,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063357784] [2023-02-14 02:36:31,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063357784] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:36:31,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:36:31,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:36:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920310741] [2023-02-14 02:36:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:36:31,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:36:31,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:31,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:36:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:36:31,201 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 02:36:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:31,262 INFO L93 Difference]: Finished difference Result 244 states and 376 transitions. [2023-02-14 02:36:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 02:36:31,263 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 02:36:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:31,265 INFO L225 Difference]: With dead ends: 244 [2023-02-14 02:36:31,265 INFO L226 Difference]: Without dead ends: 239 [2023-02-14 02:36:31,266 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 02:36:31,266 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 02:36:31,266 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 02:36:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-02-14 02:36:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 235. [2023-02-14 02:36:31,285 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 02:36:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2023-02-14 02:36:31,288 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 60 [2023-02-14 02:36:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:31,288 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2023-02-14 02:36:31,288 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 02:36:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2023-02-14 02:36:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-14 02:36:31,289 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:31,289 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 02:36:31,312 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 02:36:31,496 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 02:36:31,496 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:31,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:31,497 INFO L85 PathProgramCache]: Analyzing trace with hash 463463118, now seen corresponding path program 1 times [2023-02-14 02:36:31,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:31,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9307386] [2023-02-14 02:36:31,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:31,498 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 02:36:31,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:31,501 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 02:36:31,502 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 02:36:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:31,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-14 02:36:31,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:31,672 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 02:36:31,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:31,952 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 02:36:31,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:31,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9307386] [2023-02-14 02:36:31,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9307386] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:31,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:31,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 15 [2023-02-14 02:36:31,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152811815] [2023-02-14 02:36:31,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:31,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-14 02:36:31,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-14 02:36:31,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-02-14 02:36:31,955 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 02:36:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:32,257 INFO L93 Difference]: Finished difference Result 569 states and 963 transitions. [2023-02-14 02:36:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-14 02:36:32,258 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 02:36:32,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:32,260 INFO L225 Difference]: With dead ends: 569 [2023-02-14 02:36:32,261 INFO L226 Difference]: Without dead ends: 377 [2023-02-14 02:36:32,263 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 02:36:32,263 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 02:36:32,263 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 02:36:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-02-14 02:36:32,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 352. [2023-02-14 02:36:32,293 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 02:36:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 480 transitions. [2023-02-14 02:36:32,295 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 480 transitions. Word has length 65 [2023-02-14 02:36:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:32,296 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 480 transitions. [2023-02-14 02:36:32,296 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 02:36:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 480 transitions. [2023-02-14 02:36:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-14 02:36:32,297 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:32,297 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 02:36:32,315 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 02:36:32,515 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 02:36:32,515 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:32,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:32,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1288557639, now seen corresponding path program 1 times [2023-02-14 02:36:32,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:32,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779151414] [2023-02-14 02:36:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:32,517 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 02:36:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:32,518 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 02:36:32,523 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 02:36:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:32,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 02:36:32,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:32,593 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 02:36:32,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 02:36:32,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:32,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779151414] [2023-02-14 02:36:32,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779151414] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:36:32,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:36:32,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 02:36:32,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433893500] [2023-02-14 02:36:32,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:36:32,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 02:36:32,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:32,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 02:36:32,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 02:36:32,595 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 02:36:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:32,625 INFO L93 Difference]: Finished difference Result 362 states and 492 transitions. [2023-02-14 02:36:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 02:36:32,625 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 02:36:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:32,627 INFO L225 Difference]: With dead ends: 362 [2023-02-14 02:36:32,627 INFO L226 Difference]: Without dead ends: 315 [2023-02-14 02:36:32,627 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 02:36:32,628 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 02:36:32,628 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 02:36:32,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-02-14 02:36:32,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2023-02-14 02:36:32,645 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 02:36:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2023-02-14 02:36:32,647 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 67 [2023-02-14 02:36:32,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:32,647 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2023-02-14 02:36:32,647 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 02:36:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2023-02-14 02:36:32,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-14 02:36:32,648 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:32,649 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-14 02:36:32,671 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 02:36:32,856 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 02:36:32,856 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:32,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:32,857 INFO L85 PathProgramCache]: Analyzing trace with hash 129037372, now seen corresponding path program 3 times [2023-02-14 02:36:32,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:32,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504422483] [2023-02-14 02:36:32,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:36:32,857 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 02:36:32,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:32,858 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 02:36:32,861 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 02:36:32,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 02:36:32,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:32,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-14 02:36:32,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:33,400 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 02:36:33,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:35,011 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 02:36:35,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:35,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504422483] [2023-02-14 02:36:35,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504422483] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:35,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:35,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2023-02-14 02:36:35,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488110936] [2023-02-14 02:36:35,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:35,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-14 02:36:35,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:35,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-14 02:36:35,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1739, Unknown=0, NotChecked=0, Total=2070 [2023-02-14 02:36:35,014 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 02:36:43,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:43,668 INFO L93 Difference]: Finished difference Result 1150 states and 1960 transitions. [2023-02-14 02:36:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-14 02:36:43,669 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 02:36:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:43,675 INFO L225 Difference]: With dead ends: 1150 [2023-02-14 02:36:43,675 INFO L226 Difference]: Without dead ends: 1113 [2023-02-14 02:36:43,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1387, Invalid=4775, Unknown=0, NotChecked=0, Total=6162 [2023-02-14 02:36:43,677 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1777 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 1939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1939 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-02-14 02:36:43,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 4487 Invalid, 4406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1939 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-02-14 02:36:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-02-14 02:36:43,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 721. [2023-02-14 02:36:43,746 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 02:36:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1454 transitions. [2023-02-14 02:36:43,752 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1454 transitions. Word has length 78 [2023-02-14 02:36:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:43,752 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1454 transitions. [2023-02-14 02:36:43,752 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 02:36:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1454 transitions. [2023-02-14 02:36:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-02-14 02:36:43,753 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:43,754 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 02:36:43,775 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 02:36:43,962 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 02:36:43,962 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:43,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:43,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1732641074, now seen corresponding path program 2 times [2023-02-14 02:36:43,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:43,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525879585] [2023-02-14 02:36:43,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:36:43,963 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 02:36:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:43,967 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 02:36:43,991 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 02:36:44,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:36:44,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:44,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 02:36:44,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:44,106 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 02:36:44,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:44,327 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 02:36:44,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:44,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525879585] [2023-02-14 02:36:44,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525879585] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:44,328 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:44,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-14 02:36:44,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577702116] [2023-02-14 02:36:44,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:44,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 02:36:44,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:44,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 02:36:44,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-14 02:36:44,329 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 02:36:44,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:44,721 INFO L93 Difference]: Finished difference Result 775 states and 1511 transitions. [2023-02-14 02:36:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-14 02:36:44,723 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 02:36:44,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:44,730 INFO L225 Difference]: With dead ends: 775 [2023-02-14 02:36:44,730 INFO L226 Difference]: Without dead ends: 772 [2023-02-14 02:36:44,731 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 02:36:44,731 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 02:36:44,732 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 02:36:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-02-14 02:36:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 764. [2023-02-14 02:36:44,791 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 02:36:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1506 transitions. [2023-02-14 02:36:44,797 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1506 transitions. Word has length 129 [2023-02-14 02:36:44,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:44,797 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 1506 transitions. [2023-02-14 02:36:44,797 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 02:36:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1506 transitions. [2023-02-14 02:36:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-02-14 02:36:44,802 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:44,802 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 02:36:44,813 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 02:36:45,011 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 02:36:45,011 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:45,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1744998254, now seen corresponding path program 1 times [2023-02-14 02:36:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:45,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032476995] [2023-02-14 02:36:45,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:45,014 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 02:36:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:45,015 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 02:36:45,017 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 02:36:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:45,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-14 02:36:45,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:45,136 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 02:36:45,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:45,335 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 02:36:45,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:45,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032476995] [2023-02-14 02:36:45,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032476995] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:45,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:45,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-14 02:36:45,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751757569] [2023-02-14 02:36:45,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:45,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-14 02:36:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:45,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-14 02:36:45,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-14 02:36:45,337 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 02:36:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:45,471 INFO L93 Difference]: Finished difference Result 840 states and 1605 transitions. [2023-02-14 02:36:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-14 02:36:45,472 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 02:36:45,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:45,477 INFO L225 Difference]: With dead ends: 840 [2023-02-14 02:36:45,478 INFO L226 Difference]: Without dead ends: 828 [2023-02-14 02:36:45,478 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 02:36:45,479 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 02:36:45,479 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 02:36:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2023-02-14 02:36:45,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 821. [2023-02-14 02:36:45,548 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 02:36:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1569 transitions. [2023-02-14 02:36:45,553 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1569 transitions. Word has length 142 [2023-02-14 02:36:45,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:45,554 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1569 transitions. [2023-02-14 02:36:45,554 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 02:36:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1569 transitions. [2023-02-14 02:36:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-14 02:36:45,555 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:45,556 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 02:36:45,574 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 02:36:45,764 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 02:36:45,765 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:45,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1390149118, now seen corresponding path program 3 times [2023-02-14 02:36:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:45,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955882772] [2023-02-14 02:36:45,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:36:45,766 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 02:36:45,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:45,770 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 02:36:45,774 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 02:36:45,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-14 02:36:45,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:45,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 02:36:45,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:46,073 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 02:36:46,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:46,813 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 02:36:46,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:46,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955882772] [2023-02-14 02:36:46,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955882772] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:46,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:46,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-02-14 02:36:46,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296526035] [2023-02-14 02:36:46,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:46,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 02:36:46,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:46,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 02:36:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2023-02-14 02:36:46,815 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 02:36:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:49,516 INFO L93 Difference]: Finished difference Result 1034 states and 1791 transitions. [2023-02-14 02:36:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-02-14 02:36:49,517 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 02:36:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:49,522 INFO L225 Difference]: With dead ends: 1034 [2023-02-14 02:36:49,522 INFO L226 Difference]: Without dead ends: 1033 [2023-02-14 02:36:49,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=539, Invalid=1623, Unknown=0, NotChecked=0, Total=2162 [2023-02-14 02:36:49,524 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 632 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.8s IncrementalHoareTripleChecker+Time [2023-02-14 02:36:49,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 701 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-14 02:36:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2023-02-14 02:36:49,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1013. [2023-02-14 02:36:49,592 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 02:36:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1785 transitions. [2023-02-14 02:36:49,597 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1785 transitions. Word has length 144 [2023-02-14 02:36:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:49,598 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1785 transitions. [2023-02-14 02:36:49,598 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 02:36:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1785 transitions. [2023-02-14 02:36:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-02-14 02:36:49,600 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:49,600 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 02:36:49,608 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 (15)] Forceful destruction successful, exit code 0 [2023-02-14 02:36:49,808 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 02:36:49,808 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:49,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1666257884, now seen corresponding path program 1 times [2023-02-14 02:36:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:49,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833251566] [2023-02-14 02:36:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:36:49,810 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 02:36:49,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:49,811 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 02:36:49,813 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 02:36:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:36:49,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 02:36:49,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:50,111 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 02:36:50,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:50,635 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 02:36:50,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:50,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833251566] [2023-02-14 02:36:50,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833251566] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:50,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:50,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 20 [2023-02-14 02:36:50,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622874440] [2023-02-14 02:36:50,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:50,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-14 02:36:50,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:50,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-14 02:36:50,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-02-14 02:36:50,637 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 02:36:51,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:51,204 INFO L93 Difference]: Finished difference Result 2310 states and 4580 transitions. [2023-02-14 02:36:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-14 02:36:51,205 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 02:36:51,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:51,212 INFO L225 Difference]: With dead ends: 2310 [2023-02-14 02:36:51,212 INFO L226 Difference]: Without dead ends: 1406 [2023-02-14 02:36:51,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2023-02-14 02:36:51,221 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, 0.4s IncrementalHoareTripleChecker+Time [2023-02-14 02:36:51,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 344 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-14 02:36:51,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2023-02-14 02:36:51,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1243. [2023-02-14 02:36:51,303 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 02:36:51,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1750 transitions. [2023-02-14 02:36:51,307 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1750 transitions. Word has length 154 [2023-02-14 02:36:51,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:51,308 INFO L495 AbstractCegarLoop]: Abstraction has 1243 states and 1750 transitions. [2023-02-14 02:36:51,308 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 02:36:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1750 transitions. [2023-02-14 02:36:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-14 02:36:51,311 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:51,311 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 02:36:51,328 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 (16)] Forceful destruction successful, exit code 0 [2023-02-14 02:36:51,519 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 02:36:51,521 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:51,521 INFO L85 PathProgramCache]: Analyzing trace with hash -120268048, now seen corresponding path program 2 times [2023-02-14 02:36:51,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:51,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532040331] [2023-02-14 02:36:51,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 02:36:51,522 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 02:36:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:51,523 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 02:36:51,525 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 02:36:51,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 02:36:51,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:51,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 02:36:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:51,792 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 02:36:51,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:52,262 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 02:36:52,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:52,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532040331] [2023-02-14 02:36:52,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532040331] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:52,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:52,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 20 [2023-02-14 02:36:52,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538175355] [2023-02-14 02:36:52,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:52,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-14 02:36:52,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:52,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-14 02:36:52,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-02-14 02:36:52,264 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 02:36:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:52,696 INFO L93 Difference]: Finished difference Result 1269 states and 1822 transitions. [2023-02-14 02:36:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-14 02:36:52,698 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 02:36:52,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:52,704 INFO L225 Difference]: With dead ends: 1269 [2023-02-14 02:36:52,705 INFO L226 Difference]: Without dead ends: 1252 [2023-02-14 02:36:52,705 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 02:36:52,706 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 02:36:52,706 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 02:36:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-02-14 02:36:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1248. [2023-02-14 02:36:52,778 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 02:36:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1755 transitions. [2023-02-14 02:36:52,782 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1755 transitions. Word has length 159 [2023-02-14 02:36:52,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:52,782 INFO L495 AbstractCegarLoop]: Abstraction has 1248 states and 1755 transitions. [2023-02-14 02:36:52,782 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 02:36:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1755 transitions. [2023-02-14 02:36:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-02-14 02:36:52,784 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:52,785 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 02:36:52,812 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 (17)] Forceful destruction successful, exit code 0 [2023-02-14 02:36:53,009 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 02:36:53,009 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:53,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash -380613724, now seen corresponding path program 3 times [2023-02-14 02:36:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:53,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718033539] [2023-02-14 02:36:53,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 02:36:53,010 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 02:36:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:53,011 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 02:36:53,014 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 02:36:53,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-14 02:36:53,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:53,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-14 02:36:53,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:53,100 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 02:36:53,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:53,305 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 02:36:53,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:53,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718033539] [2023-02-14 02:36:53,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718033539] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:53,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:53,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-02-14 02:36:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177151169] [2023-02-14 02:36:53,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:53,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-14 02:36:53,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:53,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-14 02:36:53,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-14 02:36:53,307 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 02:36:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:53,599 INFO L93 Difference]: Finished difference Result 1391 states and 1950 transitions. [2023-02-14 02:36:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-14 02:36:53,600 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 02:36:53,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:53,606 INFO L225 Difference]: With dead ends: 1391 [2023-02-14 02:36:53,606 INFO L226 Difference]: Without dead ends: 1350 [2023-02-14 02:36:53,607 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 02:36:53,607 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 02:36:53,608 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 02:36:53,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2023-02-14 02:36:53,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1343. [2023-02-14 02:36:53,742 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 02:36:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1860 transitions. [2023-02-14 02:36:53,746 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1860 transitions. Word has length 164 [2023-02-14 02:36:53,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:53,747 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1860 transitions. [2023-02-14 02:36:53,747 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 02:36:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1860 transitions. [2023-02-14 02:36:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-02-14 02:36:53,750 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:53,750 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 02:36:53,761 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 02:36:53,959 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 02:36:53,959 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2000691330, now seen corresponding path program 4 times [2023-02-14 02:36:53,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:53,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121434397] [2023-02-14 02:36:53,960 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:36:53,960 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 02:36:53,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:53,973 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 02:36:53,975 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 02:36:54,066 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:36:54,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:54,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-14 02:36:54,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:54,215 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 02:36:54,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:36:54,630 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 02:36:54,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:36:54,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121434397] [2023-02-14 02:36:54,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121434397] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:36:54,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:36:54,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 19 [2023-02-14 02:36:54,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226209515] [2023-02-14 02:36:54,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:36:54,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-14 02:36:54,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:36:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-14 02:36:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-02-14 02:36:54,631 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 02:36:55,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:36:55,101 INFO L93 Difference]: Finished difference Result 1731 states and 2334 transitions. [2023-02-14 02:36:55,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-14 02:36:55,103 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 02:36:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:36:55,108 INFO L225 Difference]: With dead ends: 1731 [2023-02-14 02:36:55,108 INFO L226 Difference]: Without dead ends: 1279 [2023-02-14 02:36:55,110 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 02:36:55,110 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 02:36:55,110 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 02:36:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2023-02-14 02:36:55,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1275. [2023-02-14 02:36:55,185 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 02:36:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1739 transitions. [2023-02-14 02:36:55,189 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1739 transitions. Word has length 174 [2023-02-14 02:36:55,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:36:55,189 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 1739 transitions. [2023-02-14 02:36:55,189 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 02:36:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1739 transitions. [2023-02-14 02:36:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-14 02:36:55,192 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:36:55,192 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-14 02:36:55,203 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 02:36:55,401 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 02:36:55,402 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-14 02:36:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:36:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash 481921980, now seen corresponding path program 4 times [2023-02-14 02:36:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 02:36:55,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252369973] [2023-02-14 02:36:55,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 02:36:55,403 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 02:36:55,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 02:36:55,404 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 02:36:55,408 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 02:36:55,513 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 02:36:55,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 02:36:55,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-14 02:36:55,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 02:36:56,509 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 02:36:56,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 02:37:01,687 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 02:37:01,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 02:37:01,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252369973] [2023-02-14 02:37:01,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252369973] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 02:37:01,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 02:37:01,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2023-02-14 02:37:01,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184793869] [2023-02-14 02:37:01,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 02:37:01,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-14 02:37:01,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 02:37:01,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-14 02:37:01,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=7499, Unknown=0, NotChecked=0, Total=8742 [2023-02-14 02:37:01,692 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)