./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 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-?-26d01a9 [2023-02-18 07:28:25,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:28:25,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:28:25,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:28:25,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:28:25,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:28:25,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:28:25,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:28:25,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:28:25,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:28:25,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:28:25,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:28:25,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:28:25,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:28:25,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:28:25,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:28:25,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:28:25,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:28:25,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:28:25,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:28:25,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:28:25,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:28:25,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:28:25,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:28:25,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:28:25,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:28:25,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:28:25,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:28:25,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:28:25,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:28:25,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:28:25,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:28:25,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:28:25,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:28:25,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:28:25,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:28:25,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:28:25,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:28:25,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:28:25,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:28:25,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:28:25,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-18 07:28:25,819 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:28:25,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:28:25,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:28:25,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:28:25,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:28:25,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:28:25,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:28:25,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:28:25,822 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:28:25,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:28:25,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:28:25,824 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:28:25,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:28:25,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:28:25,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:28:25,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:28:25,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:28:25,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:28:25,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:28:25,827 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:28:25,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:28:25,827 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:28:25,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-18 07:28:26,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:28:26,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:28:26,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:28:26,047 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:28:26,047 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:28:26,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-18 07:28:26,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:28:27,117 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:28:27,118 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-18 07:28:27,121 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7280af4be/c2dc8af61ef14358a81506328502ed33/FLAG61a6e010f [2023-02-18 07:28:27,131 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7280af4be/c2dc8af61ef14358a81506328502ed33 [2023-02-18 07:28:27,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:28:27,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:28:27,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:28:27,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:28:27,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:28:27,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e09355a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27, skipping insertion in model container [2023-02-18 07:28:27,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:28:27,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:28:27,276 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] [2023-02-18 07:28:27,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:28:27,284 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:28:27,302 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] [2023-02-18 07:28:27,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:28:27,312 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:28:27,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27 WrapperNode [2023-02-18 07:28:27,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:28:27,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:28:27,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:28:27,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:28:27,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,334 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-18 07:28:27,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:28:27,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:28:27,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:28:27,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:28:27,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:28:27,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:28:27,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:28:27,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:28:27,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (1/1) ... [2023-02-18 07:28:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:28:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:27,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 07:28:27,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 07:28:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 07:28:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-18 07:28:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-18 07:28:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-18 07:28:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-18 07:28:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 07:28:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:28:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:28:27,460 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:28:27,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:28:27,633 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:28:27,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:28:27,637 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 07:28:27,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:28:27 BoogieIcfgContainer [2023-02-18 07:28:27,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:28:27,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:28:27,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:28:27,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:28:27,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:28:27" (1/3) ... [2023-02-18 07:28:27,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b65d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:28:27, skipping insertion in model container [2023-02-18 07:28:27,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:28:27" (2/3) ... [2023-02-18 07:28:27,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b65d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:28:27, skipping insertion in model container [2023-02-18 07:28:27,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:28:27" (3/3) ... [2023-02-18 07:28:27,644 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-18 07:28:27,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:28:27,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-18 07:28:27,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:28:27,694 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;@2a5adfd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:28:27,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-18 07:28:27,697 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) [2023-02-18 07:28:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-18 07:28:27,702 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:27,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:27,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2023-02-18 07:28:27,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:27,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453304873] [2023-02-18 07:28:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:27,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:27,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:27,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453304873] [2023-02-18 07:28:27,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453304873] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:27,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:28:27,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:28:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063084099] [2023-02-18 07:28:27,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:27,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:28:27,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:27,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:28:27,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:28:27,937 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) [2023-02-18 07:28:27,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:27,985 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2023-02-18 07:28:27,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:28:27,988 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 [2023-02-18 07:28:27,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:27,993 INFO L225 Difference]: With dead ends: 83 [2023-02-18 07:28:27,993 INFO L226 Difference]: Without dead ends: 66 [2023-02-18 07:28:27,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:28:27,997 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 [2023-02-18 07:28:27,998 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] [2023-02-18 07:28:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-18 07:28:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2023-02-18 07:28:28,023 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) [2023-02-18 07:28:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2023-02-18 07:28:28,025 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2023-02-18 07:28:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:28,025 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-02-18 07:28:28,025 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) [2023-02-18 07:28:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-02-18 07:28:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 07:28:28,026 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:28,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:28,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 07:28:28,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:28,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:28,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2023-02-18 07:28:28,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:28,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545783228] [2023-02-18 07:28:28,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:28,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545783228] [2023-02-18 07:28:28,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545783228] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:28,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:28:28,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:28:28,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769919866] [2023-02-18 07:28:28,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:28,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:28:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:28:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:28:28,118 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) [2023-02-18 07:28:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:28,197 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2023-02-18 07:28:28,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:28:28,198 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 [2023-02-18 07:28:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:28,199 INFO L225 Difference]: With dead ends: 78 [2023-02-18 07:28:28,199 INFO L226 Difference]: Without dead ends: 55 [2023-02-18 07:28:28,199 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 [2023-02-18 07:28:28,200 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, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:28,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 140 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:28:28,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-18 07:28:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2023-02-18 07:28:28,206 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) [2023-02-18 07:28:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-02-18 07:28:28,207 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2023-02-18 07:28:28,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:28,207 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-02-18 07:28:28,208 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) [2023-02-18 07:28:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-02-18 07:28:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 07:28:28,208 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:28,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:28,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 07:28:28,209 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:28,209 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2023-02-18 07:28:28,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:28,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515344968] [2023-02-18 07:28:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:28,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515344968] [2023-02-18 07:28:28,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515344968] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:28,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:28:28,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:28:28,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055913783] [2023-02-18 07:28:28,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:28,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:28:28,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:28,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:28:28,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:28:28,251 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) [2023-02-18 07:28:28,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:28,293 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2023-02-18 07:28:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 07:28:28,293 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 [2023-02-18 07:28:28,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:28,294 INFO L225 Difference]: With dead ends: 53 [2023-02-18 07:28:28,294 INFO L226 Difference]: Without dead ends: 51 [2023-02-18 07:28:28,295 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 [2023-02-18 07:28:28,296 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 [2023-02-18 07:28:28,296 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] [2023-02-18 07:28:28,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-02-18 07:28:28,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-02-18 07:28:28,301 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) [2023-02-18 07:28:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2023-02-18 07:28:28,302 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2023-02-18 07:28:28,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:28,302 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2023-02-18 07:28:28,302 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) [2023-02-18 07:28:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-02-18 07:28:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-18 07:28:28,303 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:28,303 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:28,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 07:28:28,303 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:28,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2023-02-18 07:28:28,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:28,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604914160] [2023-02-18 07:28:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:28,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604914160] [2023-02-18 07:28:28,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604914160] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:28,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383732415] [2023-02-18 07:28:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:28,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:28,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 07:28:28,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 07:28:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:28:28,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:28:28,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383732415] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:28,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 07:28:28,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-02-18 07:28:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481125979] [2023-02-18 07:28:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:28,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:28:28,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:28:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-18 07:28:28,485 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) [2023-02-18 07:28:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:28,499 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2023-02-18 07:28:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:28:28,500 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 [2023-02-18 07:28:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:28,501 INFO L225 Difference]: With dead ends: 51 [2023-02-18 07:28:28,501 INFO L226 Difference]: Without dead ends: 50 [2023-02-18 07:28:28,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-02-18 07:28:28,502 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 [2023-02-18 07:28:28,503 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] [2023-02-18 07:28:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-18 07:28:28,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-02-18 07:28:28,507 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) [2023-02-18 07:28:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-02-18 07:28:28,508 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2023-02-18 07:28:28,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:28,508 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-02-18 07:28:28,509 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) [2023-02-18 07:28:28,509 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-02-18 07:28:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-18 07:28:28,509 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:28,509 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:28,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:28,714 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 [2023-02-18 07:28:28,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:28,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2023-02-18 07:28:28,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:28,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136531709] [2023-02-18 07:28:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:28,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136531709] [2023-02-18 07:28:28,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136531709] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:28,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778782334] [2023-02-18 07:28:28,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:28,794 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) [2023-02-18 07:28:28,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 07:28:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:28,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-18 07:28:28,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:28,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778782334] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:28,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:28,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-18 07:28:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922755794] [2023-02-18 07:28:28,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:28,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:28:28,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:28,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:28:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:28:28,925 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) [2023-02-18 07:28:29,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:29,040 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2023-02-18 07:28:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-18 07:28:29,041 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 [2023-02-18 07:28:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:29,045 INFO L225 Difference]: With dead ends: 157 [2023-02-18 07:28:29,045 INFO L226 Difference]: Without dead ends: 156 [2023-02-18 07:28:29,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-02-18 07:28:29,047 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 [2023-02-18 07:28:29,047 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] [2023-02-18 07:28:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-18 07:28:29,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2023-02-18 07:28:29,073 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) [2023-02-18 07:28:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2023-02-18 07:28:29,075 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2023-02-18 07:28:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:29,076 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2023-02-18 07:28:29,076 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) [2023-02-18 07:28:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2023-02-18 07:28:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 07:28:29,077 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:29,077 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:28:29,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-18 07:28:29,281 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 [2023-02-18 07:28:29,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:29,282 INFO L85 PathProgramCache]: Analyzing trace with hash -761944091, now seen corresponding path program 1 times [2023-02-18 07:28:29,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:29,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754632309] [2023-02-18 07:28:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:29,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:29,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754632309] [2023-02-18 07:28:29,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754632309] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:29,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859883383] [2023-02-18 07:28:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:29,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:29,354 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) [2023-02-18 07:28:29,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 07:28:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:28:29,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:29,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:29,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859883383] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:29,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:29,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-18 07:28:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095817481] [2023-02-18 07:28:29,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:29,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:28:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:28:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:28:29,435 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) [2023-02-18 07:28:29,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:29,490 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2023-02-18 07:28:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 07:28:29,491 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 [2023-02-18 07:28:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:29,492 INFO L225 Difference]: With dead ends: 95 [2023-02-18 07:28:29,492 INFO L226 Difference]: Without dead ends: 93 [2023-02-18 07:28:29,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-02-18 07:28:29,493 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 48 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:29,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 172 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:28:29,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-18 07:28:29,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-18 07:28:29,508 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) [2023-02-18 07:28:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2023-02-18 07:28:29,508 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2023-02-18 07:28:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:29,509 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2023-02-18 07:28:29,509 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) [2023-02-18 07:28:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-02-18 07:28:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-18 07:28:29,510 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:29,510 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] [2023-02-18 07:28:29,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:29,719 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 [2023-02-18 07:28:29,719 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:29,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2023-02-18 07:28:29,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:29,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71588352] [2023-02-18 07:28:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:29,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:29,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:29,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71588352] [2023-02-18 07:28:29,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71588352] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:29,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:28:29,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 07:28:29,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71193690] [2023-02-18 07:28:29,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:29,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 07:28:29,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 07:28:29,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-18 07:28:29,777 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) [2023-02-18 07:28:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:29,839 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2023-02-18 07:28:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 07:28:29,843 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 [2023-02-18 07:28:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:29,844 INFO L225 Difference]: With dead ends: 113 [2023-02-18 07:28:29,845 INFO L226 Difference]: Without dead ends: 110 [2023-02-18 07:28:29,845 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 [2023-02-18 07:28:29,845 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 [2023-02-18 07:28:29,846 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] [2023-02-18 07:28:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-02-18 07:28:29,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2023-02-18 07:28:29,852 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) [2023-02-18 07:28:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2023-02-18 07:28:29,853 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2023-02-18 07:28:29,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:29,854 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2023-02-18 07:28:29,854 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) [2023-02-18 07:28:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2023-02-18 07:28:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-18 07:28:29,854 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:29,855 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] [2023-02-18 07:28:29,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-18 07:28:29,855 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:29,855 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2023-02-18 07:28:29,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:29,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947555243] [2023-02-18 07:28:29,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 07:28:29,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:29,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947555243] [2023-02-18 07:28:29,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947555243] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:29,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530442239] [2023-02-18 07:28:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:29,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:29,956 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) [2023-02-18 07:28:29,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 07:28:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-18 07:28:30,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:30,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:28:30,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530442239] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:30,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 07:28:30,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2023-02-18 07:28:30,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947676540] [2023-02-18 07:28:30,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:30,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:28:30,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:30,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:28:30,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-02-18 07:28:30,058 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) [2023-02-18 07:28:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:30,079 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2023-02-18 07:28:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 07:28:30,079 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 [2023-02-18 07:28:30,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:30,081 INFO L225 Difference]: With dead ends: 103 [2023-02-18 07:28:30,081 INFO L226 Difference]: Without dead ends: 102 [2023-02-18 07:28:30,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-02-18 07:28:30,082 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 [2023-02-18 07:28:30,082 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] [2023-02-18 07:28:30,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-18 07:28:30,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-02-18 07:28:30,090 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) [2023-02-18 07:28:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2023-02-18 07:28:30,092 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2023-02-18 07:28:30,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:30,097 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2023-02-18 07:28:30,097 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) [2023-02-18 07:28:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2023-02-18 07:28:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-18 07:28:30,102 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:30,102 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] [2023-02-18 07:28:30,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:30,309 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 [2023-02-18 07:28:30,309 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:30,310 INFO L85 PathProgramCache]: Analyzing trace with hash 185702253, now seen corresponding path program 1 times [2023-02-18 07:28:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:30,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891637660] [2023-02-18 07:28:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:30,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:30,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:30,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891637660] [2023-02-18 07:28:30,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891637660] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:30,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447059726] [2023-02-18 07:28:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:30,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:30,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:30,373 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) [2023-02-18 07:28:30,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 07:28:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 07:28:30,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:30,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:30,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447059726] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:30,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:30,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-02-18 07:28:30,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753055336] [2023-02-18 07:28:30,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:30,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-18 07:28:30,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:30,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-18 07:28:30,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-02-18 07:28:30,470 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) [2023-02-18 07:28:30,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:30,669 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2023-02-18 07:28:30,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-18 07:28:30,669 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 [2023-02-18 07:28:30,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:30,670 INFO L225 Difference]: With dead ends: 163 [2023-02-18 07:28:30,670 INFO L226 Difference]: Without dead ends: 162 [2023-02-18 07:28:30,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2023-02-18 07:28:30,671 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 269 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:30,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:28:30,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-02-18 07:28:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2023-02-18 07:28:30,677 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) [2023-02-18 07:28:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2023-02-18 07:28:30,678 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2023-02-18 07:28:30,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:30,679 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2023-02-18 07:28:30,679 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) [2023-02-18 07:28:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2023-02-18 07:28:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-18 07:28:30,680 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:30,680 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] [2023-02-18 07:28:30,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:30,887 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 [2023-02-18 07:28:30,887 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:30,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2023-02-18 07:28:30,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:30,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641809088] [2023-02-18 07:28:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-02-18 07:28:30,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:30,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641809088] [2023-02-18 07:28:30,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641809088] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:30,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:28:30,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:28:30,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883008649] [2023-02-18 07:28:30,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:30,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:28:30,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:30,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:28:30,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:28:30,920 INFO L87 Difference]: Start difference. First operand 138 states and 184 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-02-18 07:28:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:30,957 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2023-02-18 07:28:30,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 07:28:30,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 [2023-02-18 07:28:30,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:30,959 INFO L225 Difference]: With dead ends: 175 [2023-02-18 07:28:30,959 INFO L226 Difference]: Without dead ends: 164 [2023-02-18 07:28:30,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-18 07:28:30,960 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:30,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 67 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:28:30,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-02-18 07:28:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-02-18 07:28:30,968 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) [2023-02-18 07:28:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2023-02-18 07:28:30,969 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2023-02-18 07:28:30,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:30,970 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2023-02-18 07:28:30,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-02-18 07:28:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2023-02-18 07:28:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-18 07:28:30,971 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:30,971 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-18 07:28:30,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-18 07:28:30,971 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:30,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1870230916, now seen corresponding path program 2 times [2023-02-18 07:28:30,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:30,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504033102] [2023-02-18 07:28:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:31,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:31,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504033102] [2023-02-18 07:28:31,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504033102] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:31,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267284808] [2023-02-18 07:28:31,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:28:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:31,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:31,081 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) [2023-02-18 07:28:31,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 07:28:31,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:28:31,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:31,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-18 07:28:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:31,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:31,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267284808] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:31,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:31,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2023-02-18 07:28:31,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910775412] [2023-02-18 07:28:31,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:31,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-18 07:28:31,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-18 07:28:31,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:28:31,262 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) [2023-02-18 07:28:31,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:31,578 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2023-02-18 07:28:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-18 07:28:31,578 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 [2023-02-18 07:28:31,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:31,582 INFO L225 Difference]: With dead ends: 1095 [2023-02-18 07:28:31,582 INFO L226 Difference]: Without dead ends: 1094 [2023-02-18 07:28:31,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2023-02-18 07:28:31,584 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 590 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:31,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 639 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:28:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-02-18 07:28:31,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2023-02-18 07:28:31,607 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) [2023-02-18 07:28:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2023-02-18 07:28:31,610 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2023-02-18 07:28:31,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:31,610 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2023-02-18 07:28:31,610 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) [2023-02-18 07:28:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2023-02-18 07:28:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-18 07:28:31,612 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:31,613 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] [2023-02-18 07:28:31,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:31,821 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 [2023-02-18 07:28:31,821 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1922767742, now seen corresponding path program 2 times [2023-02-18 07:28:31,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:31,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807777293] [2023-02-18 07:28:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:31,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 07:28:31,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:31,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807777293] [2023-02-18 07:28:31,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807777293] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:31,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832046102] [2023-02-18 07:28:31,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:28:31,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:31,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:31,951 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) [2023-02-18 07:28:31,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 07:28:31,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:28:31,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:31,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 07:28:31,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:32,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 07:28:32,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832046102] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:32,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:32,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 28 [2023-02-18 07:28:32,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856423828] [2023-02-18 07:28:32,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:32,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-02-18 07:28:32,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:32,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-02-18 07:28:32,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2023-02-18 07:28:32,184 INFO L87 Difference]: Start difference. First operand 266 states and 435 transitions. Second operand has 29 states, 26 states have (on average 2.5) internal successors, (65), 18 states have internal predecessors, (65), 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) [2023-02-18 07:28:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:32,858 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2023-02-18 07:28:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-02-18 07:28:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 2.5) internal successors, (65), 18 states have internal predecessors, (65), 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 [2023-02-18 07:28:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:32,860 INFO L225 Difference]: With dead ends: 421 [2023-02-18 07:28:32,860 INFO L226 Difference]: Without dead ends: 420 [2023-02-18 07:28:32,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 80 SyntacticMatches, 9 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2023-02-18 07:28:32,862 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 670 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:32,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 93 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 07:28:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-02-18 07:28:32,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2023-02-18 07:28:32,878 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) [2023-02-18 07:28:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2023-02-18 07:28:32,880 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2023-02-18 07:28:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:32,880 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2023-02-18 07:28:32,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 2.5) internal successors, (65), 18 states have internal predecessors, (65), 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) [2023-02-18 07:28:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2023-02-18 07:28:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-02-18 07:28:32,881 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:32,881 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] [2023-02-18 07:28:32,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:33,086 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 [2023-02-18 07:28:33,086 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:33,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:33,087 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2023-02-18 07:28:33,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:33,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289018399] [2023-02-18 07:28:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:33,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-18 07:28:33,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:33,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289018399] [2023-02-18 07:28:33,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289018399] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:33,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695416914] [2023-02-18 07:28:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:33,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:33,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:33,213 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) [2023-02-18 07:28:33,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 07:28:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:33,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 07:28:33,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-18 07:28:33,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 07:28:33,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695416914] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:33,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:33,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 13] total 26 [2023-02-18 07:28:33,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225864155] [2023-02-18 07:28:33,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:33,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-18 07:28:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-18 07:28:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2023-02-18 07:28:33,470 INFO L87 Difference]: Start difference. First operand 380 states and 579 transitions. Second operand has 26 states, 24 states have (on average 3.125) internal successors, (75), 21 states have internal predecessors, (75), 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) [2023-02-18 07:28:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:33,838 INFO L93 Difference]: Finished difference Result 1032 states and 1755 transitions. [2023-02-18 07:28:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-18 07:28:33,839 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.125) internal successors, (75), 21 states have internal predecessors, (75), 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 [2023-02-18 07:28:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:33,841 INFO L225 Difference]: With dead ends: 1032 [2023-02-18 07:28:33,842 INFO L226 Difference]: Without dead ends: 678 [2023-02-18 07:28:33,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 86 SyntacticMatches, 9 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=1529, Unknown=0, NotChecked=0, Total=1806 [2023-02-18 07:28:33,845 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 163 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:33,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 139 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:28:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-02-18 07:28:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 644. [2023-02-18 07:28:33,869 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) [2023-02-18 07:28:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2023-02-18 07:28:33,872 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 48 [2023-02-18 07:28:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:33,872 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2023-02-18 07:28:33,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.125) internal successors, (75), 21 states have internal predecessors, (75), 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) [2023-02-18 07:28:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2023-02-18 07:28:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-18 07:28:33,874 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:33,874 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] [2023-02-18 07:28:33,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-18 07:28:34,078 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 [2023-02-18 07:28:34,079 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:34,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:34,079 INFO L85 PathProgramCache]: Analyzing trace with hash -976476894, now seen corresponding path program 3 times [2023-02-18 07:28:34,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:34,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526436186] [2023-02-18 07:28:34,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:34,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 261 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 07:28:34,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:34,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526436186] [2023-02-18 07:28:34,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526436186] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:34,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446238855] [2023-02-18 07:28:34,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:28:34,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:34,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:34,408 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) [2023-02-18 07:28:34,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 07:28:34,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-18 07:28:34,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:34,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-18 07:28:34,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-02-18 07:28:34,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-02-18 07:28:34,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446238855] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:34,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:34,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8, 9] total 36 [2023-02-18 07:28:34,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134011277] [2023-02-18 07:28:34,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:34,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-18 07:28:34,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:34,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-18 07:28:34,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2023-02-18 07:28:34,537 INFO L87 Difference]: Start difference. First operand 644 states and 922 transitions. Second operand has 36 states, 34 states have (on average 2.411764705882353) internal successors, (82), 21 states have internal predecessors, (82), 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) [2023-02-18 07:28:35,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:35,379 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2023-02-18 07:28:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-18 07:28:35,380 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 2.411764705882353) internal successors, (82), 21 states have internal predecessors, (82), 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 [2023-02-18 07:28:35,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:35,385 INFO L225 Difference]: With dead ends: 879 [2023-02-18 07:28:35,385 INFO L226 Difference]: Without dead ends: 713 [2023-02-18 07:28:35,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1109, Invalid=4591, Unknown=0, NotChecked=0, Total=5700 [2023-02-18 07:28:35,387 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 787 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:35,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 108 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 07:28:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-02-18 07:28:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 667. [2023-02-18 07:28:35,411 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) [2023-02-18 07:28:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 931 transitions. [2023-02-18 07:28:35,414 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 931 transitions. Word has length 78 [2023-02-18 07:28:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:35,414 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 931 transitions. [2023-02-18 07:28:35,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 2.411764705882353) internal successors, (82), 21 states have internal predecessors, (82), 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) [2023-02-18 07:28:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 931 transitions. [2023-02-18 07:28:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-18 07:28:35,416 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:35,416 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-18 07:28:35,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:35,623 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 [2023-02-18 07:28:35,623 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:35,623 INFO L85 PathProgramCache]: Analyzing trace with hash 704150748, now seen corresponding path program 3 times [2023-02-18 07:28:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:35,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882538317] [2023-02-18 07:28:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:36,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:36,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882538317] [2023-02-18 07:28:36,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882538317] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:36,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413176153] [2023-02-18 07:28:36,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:28:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:36,079 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) [2023-02-18 07:28:36,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-18 07:28:36,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 07:28:36,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:36,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-18 07:28:36,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:36,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:36,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413176153] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:36,564 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:36,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2023-02-18 07:28:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195030566] [2023-02-18 07:28:36,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:36,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-18 07:28:36,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:36,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-18 07:28:36,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2023-02-18 07:28:36,566 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) [2023-02-18 07:28:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:37,872 INFO L93 Difference]: Finished difference Result 5814 states and 8063 transitions. [2023-02-18 07:28:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-18 07:28:37,873 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 [2023-02-18 07:28:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:37,903 INFO L225 Difference]: With dead ends: 5814 [2023-02-18 07:28:37,904 INFO L226 Difference]: Without dead ends: 5733 [2023-02-18 07:28:37,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 132 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2023-02-18 07:28:37,907 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1448 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:37,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 944 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-18 07:28:37,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2023-02-18 07:28:38,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 1256. [2023-02-18 07:28:38,015 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) [2023-02-18 07:28:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2481 transitions. [2023-02-18 07:28:38,026 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2481 transitions. Word has length 78 [2023-02-18 07:28:38,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:38,027 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 2481 transitions. [2023-02-18 07:28:38,027 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) [2023-02-18 07:28:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2481 transitions. [2023-02-18 07:28:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-18 07:28:38,032 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:38,032 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] [2023-02-18 07:28:38,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:38,237 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 [2023-02-18 07:28:38,237 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:38,239 INFO L85 PathProgramCache]: Analyzing trace with hash 672059117, now seen corresponding path program 4 times [2023-02-18 07:28:38,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:38,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453091925] [2023-02-18 07:28:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 354 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-02-18 07:28:38,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:38,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453091925] [2023-02-18 07:28:38,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453091925] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:38,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493805414] [2023-02-18 07:28:38,704 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:28:38,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:38,705 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) [2023-02-18 07:28:38,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-18 07:28:38,753 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:28:38,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:38,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-18 07:28:38,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 19 proven. 350 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-02-18 07:28:38,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 19 proven. 358 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-02-18 07:28:39,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493805414] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:39,588 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:39,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 32] total 64 [2023-02-18 07:28:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084005580] [2023-02-18 07:28:39,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:39,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-02-18 07:28:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-02-18 07:28:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=3434, Unknown=0, NotChecked=0, Total=4160 [2023-02-18 07:28:39,591 INFO L87 Difference]: Start difference. First operand 1256 states and 2481 transitions. Second operand has 65 states, 62 states have (on average 2.435483870967742) internal successors, (151), 38 states have internal predecessors, (151), 34 states have call successors, (39), 26 states have call predecessors, (39), 6 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) [2023-02-18 07:28:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:40,007 INFO L93 Difference]: Finished difference Result 2514 states and 5124 transitions. [2023-02-18 07:28:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-18 07:28:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 62 states have (on average 2.435483870967742) internal successors, (151), 38 states have internal predecessors, (151), 34 states have call successors, (39), 26 states have call predecessors, (39), 6 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) Word has length 115 [2023-02-18 07:28:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:40,014 INFO L225 Difference]: With dead ends: 2514 [2023-02-18 07:28:40,014 INFO L226 Difference]: Without dead ends: 1217 [2023-02-18 07:28:40,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 182 SyntacticMatches, 30 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2228 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1042, Invalid=5120, Unknown=0, NotChecked=0, Total=6162 [2023-02-18 07:28:40,025 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 249 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:40,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 145 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:28:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2023-02-18 07:28:40,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1089. [2023-02-18 07:28:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 853 states have (on average 1.1184056271981242) internal successors, (954), 835 states have internal predecessors, (954), 146 states have call successors, (146), 116 states have call predecessors, (146), 85 states have return successors, (388), 137 states have call predecessors, (388), 124 states have call successors, (388) [2023-02-18 07:28:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1488 transitions. [2023-02-18 07:28:40,067 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1488 transitions. Word has length 115 [2023-02-18 07:28:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:40,067 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1488 transitions. [2023-02-18 07:28:40,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 62 states have (on average 2.435483870967742) internal successors, (151), 38 states have internal predecessors, (151), 34 states have call successors, (39), 26 states have call predecessors, (39), 6 states have return successors, (15), 8 states have call predecessors, (15), 10 states have call successors, (15) [2023-02-18 07:28:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1488 transitions. [2023-02-18 07:28:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-18 07:28:40,069 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:40,069 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] [2023-02-18 07:28:40,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:40,273 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 [2023-02-18 07:28:40,274 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:40,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:40,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1192003213, now seen corresponding path program 2 times [2023-02-18 07:28:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:40,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729968984] [2023-02-18 07:28:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:28:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:28:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:28:40,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:40,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729968984] [2023-02-18 07:28:40,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729968984] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:40,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478411811] [2023-02-18 07:28:40,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:28:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:40,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:40,397 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) [2023-02-18 07:28:40,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-18 07:28:40,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:28:40,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:40,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 07:28:40,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:28:40,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:28:40,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478411811] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:28:40,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 07:28:40,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2023-02-18 07:28:40,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792959463] [2023-02-18 07:28:40,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:28:40,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 07:28:40,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:40,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 07:28:40,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-02-18 07:28:40,496 INFO L87 Difference]: Start difference. First operand 1089 states and 1488 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) [2023-02-18 07:28:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:40,530 INFO L93 Difference]: Finished difference Result 1089 states and 1488 transitions. [2023-02-18 07:28:40,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:28:40,531 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 [2023-02-18 07:28:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:40,535 INFO L225 Difference]: With dead ends: 1089 [2023-02-18 07:28:40,536 INFO L226 Difference]: Without dead ends: 1087 [2023-02-18 07:28:40,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 173 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-02-18 07:28:40,537 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:40,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 116 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:28:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2023-02-18 07:28:40,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1087. [2023-02-18 07:28:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 853 states have (on average 1.0902696365767879) internal successors, (930), 833 states have internal predecessors, (930), 146 states have call successors, (146), 116 states have call predecessors, (146), 85 states have return successors, (388), 137 states have call predecessors, (388), 124 states have call successors, (388) [2023-02-18 07:28:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1464 transitions. [2023-02-18 07:28:40,572 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1464 transitions. Word has length 144 [2023-02-18 07:28:40,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:40,573 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1464 transitions. [2023-02-18 07:28:40,573 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) [2023-02-18 07:28:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1464 transitions. [2023-02-18 07:28:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-02-18 07:28:40,575 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:40,575 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] [2023-02-18 07:28:40,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:40,777 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 [2023-02-18 07:28:40,777 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2023-02-18 07:28:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:40,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574493714] [2023-02-18 07:28:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:40,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:28:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:28:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:28:40,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:40,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574493714] [2023-02-18 07:28:40,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574493714] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:40,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557864109] [2023-02-18 07:28:40,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:40,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:40,894 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) [2023-02-18 07:28:40,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-18 07:28:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:40,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 07:28:40,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:28:40,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:28:41,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557864109] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:41,025 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:41,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2023-02-18 07:28:41,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126656634] [2023-02-18 07:28:41,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:41,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-18 07:28:41,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:41,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-18 07:28:41,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-02-18 07:28:41,027 INFO L87 Difference]: Start difference. First operand 1087 states and 1464 transitions. Second operand has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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) [2023-02-18 07:28:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:41,108 INFO L93 Difference]: Finished difference Result 1310 states and 1747 transitions. [2023-02-18 07:28:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 07:28:41,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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 [2023-02-18 07:28:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:41,113 INFO L225 Difference]: With dead ends: 1310 [2023-02-18 07:28:41,113 INFO L226 Difference]: Without dead ends: 1245 [2023-02-18 07:28:41,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-02-18 07:28:41,114 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 45 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:41,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 107 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:28:41,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2023-02-18 07:28:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1245. [2023-02-18 07:28:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 988 states have (on average 1.062753036437247) internal successors, (1050), 964 states have internal predecessors, (1050), 146 states have call successors, (146), 116 states have call predecessors, (146), 109 states have return successors, (415), 164 states have call predecessors, (415), 124 states have call successors, (415) [2023-02-18 07:28:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1611 transitions. [2023-02-18 07:28:41,158 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1611 transitions. Word has length 145 [2023-02-18 07:28:41,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:41,159 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1611 transitions. [2023-02-18 07:28:41,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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) [2023-02-18 07:28:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1611 transitions. [2023-02-18 07:28:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-02-18 07:28:41,162 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:41,162 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] [2023-02-18 07:28:41,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:41,367 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 [2023-02-18 07:28:41,367 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 907143385, now seen corresponding path program 2 times [2023-02-18 07:28:41,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:41,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107807527] [2023-02-18 07:28:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:28:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:28:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:28:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:28:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:28:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:28:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:28:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-02-18 07:28:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107807527] [2023-02-18 07:28:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107807527] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:41,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867408860] [2023-02-18 07:28:41,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:28:41,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:41,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:41,615 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) [2023-02-18 07:28:41,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-18 07:28:41,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:28:41,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:41,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-18 07:28:41,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-02-18 07:28:41,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-02-18 07:28:42,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867408860] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:42,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:42,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 23] total 40 [2023-02-18 07:28:42,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087261325] [2023-02-18 07:28:42,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:42,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-02-18 07:28:42,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:42,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-02-18 07:28:42,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1403, Unknown=0, NotChecked=0, Total=1560 [2023-02-18 07:28:42,161 INFO L87 Difference]: Start difference. First operand 1245 states and 1611 transitions. Second operand has 40 states, 38 states have (on average 3.8421052631578947) internal successors, (146), 35 states have internal predecessors, (146), 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) [2023-02-18 07:28:42,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:42,849 INFO L93 Difference]: Finished difference Result 2208 states and 3118 transitions. [2023-02-18 07:28:42,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-02-18 07:28:42,850 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 3.8421052631578947) internal successors, (146), 35 states have internal predecessors, (146), 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 [2023-02-18 07:28:42,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:42,856 INFO L225 Difference]: With dead ends: 2208 [2023-02-18 07:28:42,857 INFO L226 Difference]: Without dead ends: 1452 [2023-02-18 07:28:42,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 357 SyntacticMatches, 17 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=790, Invalid=4910, Unknown=0, NotChecked=0, Total=5700 [2023-02-18 07:28:42,860 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 331 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:42,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 148 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 07:28:42,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2023-02-18 07:28:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1386. [2023-02-18 07:28:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1085 states have (on average 1.056221198156682) internal successors, (1146), 1060 states have internal predecessors, (1146), 164 states have call successors, (164), 116 states have call predecessors, (164), 135 states have return successors, (664), 209 states have call predecessors, (664), 132 states have call successors, (664) [2023-02-18 07:28:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1974 transitions. [2023-02-18 07:28:42,926 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1974 transitions. Word has length 181 [2023-02-18 07:28:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:42,927 INFO L495 AbstractCegarLoop]: Abstraction has 1386 states and 1974 transitions. [2023-02-18 07:28:42,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 3.8421052631578947) internal successors, (146), 35 states have internal predecessors, (146), 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) [2023-02-18 07:28:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1974 transitions. [2023-02-18 07:28:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-18 07:28:42,931 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:42,931 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-18 07:28:42,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:43,136 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 [2023-02-18 07:28:43,137 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash 545487260, now seen corresponding path program 4 times [2023-02-18 07:28:43,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:43,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704371669] [2023-02-18 07:28:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:44,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:44,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704371669] [2023-02-18 07:28:44,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704371669] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:44,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973860164] [2023-02-18 07:28:44,497 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:28:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:44,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:44,499 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) [2023-02-18 07:28:44,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-18 07:28:44,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:28:44,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:44,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-18 07:28:44,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:44,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:28:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:46,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973860164] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:28:46,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:28:46,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2023-02-18 07:28:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50737521] [2023-02-18 07:28:46,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:28:46,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-18 07:28:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:28:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-18 07:28:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2023-02-18 07:28:46,214 INFO L87 Difference]: Start difference. First operand 1386 states and 1974 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) [2023-02-18 07:28:49,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:28:49,475 INFO L93 Difference]: Finished difference Result 6003 states and 9574 transitions. [2023-02-18 07:28:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-18 07:28:49,476 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 [2023-02-18 07:28:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:28:49,502 INFO L225 Difference]: With dead ends: 6003 [2023-02-18 07:28:49,502 INFO L226 Difference]: Without dead ends: 6002 [2023-02-18 07:28:49,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 276 SyntacticMatches, 22 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5209 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2023-02-18 07:28:49,508 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 2136 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 1774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1774 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-02-18 07:28:49,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 2221 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1774 Valid, 2094 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-02-18 07:28:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2023-02-18 07:28:49,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 2586. [2023-02-18 07:28:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2586 states, 1973 states have (on average 1.0552458185504308) internal successors, (2082), 1924 states have internal predecessors, (2082), 356 states have call successors, (356), 236 states have call predecessors, (356), 255 states have return successors, (3472), 425 states have call predecessors, (3472), 288 states have call successors, (3472) [2023-02-18 07:28:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 5910 transitions. [2023-02-18 07:28:49,655 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 5910 transitions. Word has length 162 [2023-02-18 07:28:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:28:49,657 INFO L495 AbstractCegarLoop]: Abstraction has 2586 states and 5910 transitions. [2023-02-18 07:28:49,657 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) [2023-02-18 07:28:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 5910 transitions. [2023-02-18 07:28:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-02-18 07:28:49,681 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:28:49,682 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-02-18 07:28:49,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-18 07:28:49,889 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 [2023-02-18 07:28:49,890 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:28:49,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:28:49,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1315056868, now seen corresponding path program 5 times [2023-02-18 07:28:49,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:28:49,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357546674] [2023-02-18 07:28:49,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:28:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:28:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:28:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:55,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:28:55,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357546674] [2023-02-18 07:28:55,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357546674] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:28:55,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439877910] [2023-02-18 07:28:55,315 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:28:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:28:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:28:55,316 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) [2023-02-18 07:28:55,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-18 07:28:55,636 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 07:28:55,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:28:55,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 189 conjunts are in the unsatisfiable core [2023-02-18 07:28:55,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:28:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:28:56,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:29:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:29:01,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439877910] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:29:01,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:29:01,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2023-02-18 07:29:01,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447047536] [2023-02-18 07:29:01,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:29:01,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-18 07:29:01,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:29:01,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-18 07:29:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2023-02-18 07:29:01,673 INFO L87 Difference]: Start difference. First operand 2586 states and 5910 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) [2023-02-18 07:29:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:29:18,764 INFO L93 Difference]: Finished difference Result 18651 states and 36490 transitions. [2023-02-18 07:29:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-18 07:29:18,765 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 [2023-02-18 07:29:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:29:18,879 INFO L225 Difference]: With dead ends: 18651 [2023-02-18 07:29:18,879 INFO L226 Difference]: Without dead ends: 18650 [2023-02-18 07:29:18,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 564 SyntacticMatches, 46 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21373 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2023-02-18 07:29:18,898 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 7270 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 8625 mSolverCounterSat, 9777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7270 SdHoareTripleChecker+Valid, 6926 SdHoareTripleChecker+Invalid, 18402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9777 IncrementalHoareTripleChecker+Valid, 8625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:29:18,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7270 Valid, 6926 Invalid, 18402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9777 Valid, 8625 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-02-18 07:29:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18650 states. [2023-02-18 07:29:19,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18650 to 4986. [2023-02-18 07:29:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4986 states, 3749 states have (on average 1.0546812483328887) internal successors, (3954), 3652 states have internal predecessors, (3954), 740 states have call successors, (740), 476 states have call predecessors, (740), 495 states have return successors, (17284), 857 states have call predecessors, (17284), 600 states have call successors, (17284) [2023-02-18 07:29:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4986 states to 4986 states and 21978 transitions. [2023-02-18 07:29:19,652 INFO L78 Accepts]: Start accepts. Automaton has 4986 states and 21978 transitions. Word has length 330 [2023-02-18 07:29:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:29:19,653 INFO L495 AbstractCegarLoop]: Abstraction has 4986 states and 21978 transitions. [2023-02-18 07:29:19,654 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) [2023-02-18 07:29:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4986 states and 21978 transitions. [2023-02-18 07:29:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2023-02-18 07:29:19,678 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:29:19,680 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] [2023-02-18 07:29:19,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-18 07:29:19,887 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 [2023-02-18 07:29:19,887 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:29:19,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:29:19,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1705243859, now seen corresponding path program 3 times [2023-02-18 07:29:19,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:29:19,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220300542] [2023-02-18 07:29:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:29:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:29:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:29:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-18 07:29:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-18 07:29:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-02-18 07:29:20,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:29:20,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220300542] [2023-02-18 07:29:20,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220300542] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:29:20,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477994763] [2023-02-18 07:29:20,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:29:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:29:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:29:20,653 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) [2023-02-18 07:29:20,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-18 07:29:20,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-18 07:29:20,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:29:20,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-18 07:29:20,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:29:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-02-18 07:29:20,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:29:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-02-18 07:29:20,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477994763] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:29:20,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:29:20,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2023-02-18 07:29:20,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191691543] [2023-02-18 07:29:20,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:29:20,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-02-18 07:29:20,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:29:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-02-18 07:29:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2023-02-18 07:29:20,993 INFO L87 Difference]: Start difference. First operand 4986 states and 21978 transitions. Second operand has 29 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 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) [2023-02-18 07:29:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:29:21,328 INFO L93 Difference]: Finished difference Result 5547 states and 22622 transitions. [2023-02-18 07:29:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-18 07:29:21,328 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 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 [2023-02-18 07:29:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:29:21,413 INFO L225 Difference]: With dead ends: 5547 [2023-02-18 07:29:21,413 INFO L226 Difference]: Without dead ends: 5130 [2023-02-18 07:29:21,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1271 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=573, Invalid=2183, Unknown=0, NotChecked=0, Total=2756 [2023-02-18 07:29:21,426 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 93 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:29:21,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 107 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:29:21,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2023-02-18 07:29:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5130. [2023-02-18 07:29:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 3876 states have (on average 1.0515995872033024) internal successors, (4076), 3774 states have internal predecessors, (4076), 740 states have call successors, (740), 476 states have call predecessors, (740), 512 states have return successors, (17306), 879 states have call predecessors, (17306), 600 states have call successors, (17306) [2023-02-18 07:29:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 22122 transitions. [2023-02-18 07:29:22,321 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 22122 transitions. Word has length 577 [2023-02-18 07:29:22,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:29:22,322 INFO L495 AbstractCegarLoop]: Abstraction has 5130 states and 22122 transitions. [2023-02-18 07:29:22,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.392857142857143) internal successors, (95), 28 states have internal predecessors, (95), 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) [2023-02-18 07:29:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 22122 transitions. [2023-02-18 07:29:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2023-02-18 07:29:22,402 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:29:22,402 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] [2023-02-18 07:29:22,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-02-18 07:29:22,602 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 [2023-02-18 07:29:22,603 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:29:22,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:29:22,603 INFO L85 PathProgramCache]: Analyzing trace with hash -160341863, now seen corresponding path program 4 times [2023-02-18 07:29:22,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:29:22,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771359397] [2023-02-18 07:29:22,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:29:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:29:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:29:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-18 07:29:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-02-18 07:29:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 13082 trivial. 0 not checked. [2023-02-18 07:29:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:29:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771359397] [2023-02-18 07:29:24,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771359397] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:29:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562296458] [2023-02-18 07:29:24,222 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:29:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:29:24,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:29:24,223 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) [2023-02-18 07:29:24,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-02-18 07:29:24,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:29:24,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:29:24,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 66 conjunts are in the unsatisfiable core [2023-02-18 07:29:24,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:29:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 2686 refuted. 0 times theorem prover too weak. 9760 trivial. 0 not checked. [2023-02-18 07:29:25,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:29:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1158 proven. 3027 refuted. 0 times theorem prover too weak. 9419 trivial. 0 not checked. [2023-02-18 07:29:27,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562296458] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:29:27,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:29:27,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 50, 67] total 124 [2023-02-18 07:29:27,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244836565] [2023-02-18 07:29:27,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:29:27,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2023-02-18 07:29:27,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:29:27,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2023-02-18 07:29:27,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1437, Invalid=13815, Unknown=0, NotChecked=0, Total=15252 [2023-02-18 07:29:27,626 INFO L87 Difference]: Start difference. First operand 5130 states and 22122 transitions. Second operand has 124 states, 122 states have (on average 3.180327868852459) internal successors, (388), 95 states have internal predecessors, (388), 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) [2023-02-18 07:29:36,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:29:36,968 INFO L93 Difference]: Finished difference Result 7548 states and 37906 transitions. [2023-02-18 07:29:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2023-02-18 07:29:36,969 INFO L78 Accepts]: Start accepts. Automaton has has 124 states, 122 states have (on average 3.180327868852459) internal successors, (388), 95 states have internal predecessors, (388), 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 [2023-02-18 07:29:36,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:29:37,137 INFO L225 Difference]: With dead ends: 7548 [2023-02-18 07:29:37,137 INFO L226 Difference]: Without dead ends: 6815 [2023-02-18 07:29:37,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1891 GetRequests, 1461 SyntacticMatches, 37 SemanticMatches, 393 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53859 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=18913, Invalid=136717, Unknown=0, NotChecked=0, Total=155630 [2023-02-18 07:29:37,169 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3605 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 9760 mSolverCounterSat, 1797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3618 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 11557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1797 IncrementalHoareTripleChecker+Valid, 9760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-02-18 07:29:37,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3618 Valid, 321 Invalid, 11557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1797 Valid, 9760 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-02-18 07:29:37,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2023-02-18 07:29:38,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 6415. [2023-02-18 07:29:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6415 states, 4824 states have (on average 1.0437396351575456) internal successors, (5035), 4713 states have internal predecessors, (5035), 902 states have call successors, (902), 489 states have call predecessors, (902), 687 states have return successors, (28341), 1212 states have call predecessors, (28341), 761 states have call successors, (28341) [2023-02-18 07:29:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6415 states to 6415 states and 34278 transitions. [2023-02-18 07:29:38,379 INFO L78 Accepts]: Start accepts. Automaton has 6415 states and 34278 transitions. Word has length 721 [2023-02-18 07:29:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:29:38,380 INFO L495 AbstractCegarLoop]: Abstraction has 6415 states and 34278 transitions. [2023-02-18 07:29:38,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 122 states have (on average 3.180327868852459) internal successors, (388), 95 states have internal predecessors, (388), 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) [2023-02-18 07:29:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6415 states and 34278 transitions. [2023-02-18 07:29:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2023-02-18 07:29:38,620 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:29:38,620 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:29:38,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-02-18 07:29:38,826 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 [2023-02-18 07:29:38,826 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:29:38,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:29:38,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1981462573, now seen corresponding path program 5 times [2023-02-18 07:29:38,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:29:38,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188957954] [2023-02-18 07:29:38,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:29:38,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:29:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 07:29:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-18 07:29:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-02-18 07:29:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-02-18 07:29:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-02-18 07:29:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-18 07:29:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-02-18 07:29:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-18 07:29:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-02-18 07:29:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2023-02-18 07:29:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-18 07:29:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:29:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 48111 trivial. 0 not checked. [2023-02-18 07:29:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:29:41,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188957954] [2023-02-18 07:29:41,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188957954] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:29:41,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849520759] [2023-02-18 07:29:41,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:29:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:29:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:29:41,341 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) [2023-02-18 07:29:41,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-18 07:29:42,410 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2023-02-18 07:29:42,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:29:42,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-18 07:29:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:29:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 48111 trivial. 0 not checked. [2023-02-18 07:29:42,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:29:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 48722 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 48111 trivial. 0 not checked. [2023-02-18 07:29:43,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849520759] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:29:43,241 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 07:29:43,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 60 [2023-02-18 07:29:43,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070419656] [2023-02-18 07:29:43,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 07:29:43,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-02-18 07:29:43,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:29:43,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-02-18 07:29:43,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=2729, Unknown=0, NotChecked=0, Total=3660 [2023-02-18 07:29:43,245 INFO L87 Difference]: Start difference. First operand 6415 states and 34278 transitions. Second operand has 61 states, 60 states have (on average 3.183333333333333) internal successors, (191), 60 states have internal predecessors, (191), 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) [2023-02-18 07:29:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:29:44,003 INFO L93 Difference]: Finished difference Result 7971 states and 36058 transitions. [2023-02-18 07:29:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-02-18 07:29:44,003 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 60 states have (on average 3.183333333333333) internal successors, (191), 60 states have internal predecessors, (191), 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 1185 [2023-02-18 07:29:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:29:44,254 INFO L225 Difference]: With dead ends: 7971 [2023-02-18 07:29:44,255 INFO L226 Difference]: Without dead ends: 5874 [2023-02-18 07:29:44,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2735 GetRequests, 2607 SyntacticMatches, 13 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5834 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=2669, Invalid=10903, Unknown=0, NotChecked=0, Total=13572 [2023-02-18 07:29:44,270 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 189 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 07:29:44,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 167 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 07:29:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5874 states. [2023-02-18 07:29:44,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5874 to 5778. [2023-02-18 07:29:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5778 states, 4298 states have (on average 1.0465332712889717) internal successors, (4498), 4196 states have internal predecessors, (4498), 856 states have call successors, (856), 476 states have call predecessors, (856), 622 states have return successors, (28050), 1105 states have call predecessors, (28050), 716 states have call successors, (28050) [2023-02-18 07:29:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 33404 transitions. [2023-02-18 07:29:45,106 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 33404 transitions. Word has length 1185 [2023-02-18 07:29:45,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:29:45,108 INFO L495 AbstractCegarLoop]: Abstraction has 5778 states and 33404 transitions. [2023-02-18 07:29:45,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 3.183333333333333) internal successors, (191), 60 states have internal predecessors, (191), 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) [2023-02-18 07:29:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 33404 transitions. [2023-02-18 07:29:45,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-02-18 07:29:45,290 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:29:45,290 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2023-02-18 07:29:45,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-02-18 07:29:45,501 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 [2023-02-18 07:29:45,502 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:29:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:29:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1826355684, now seen corresponding path program 6 times [2023-02-18 07:29:45,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:29:45,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916898589] [2023-02-18 07:29:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:29:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:29:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 0 proven. 30973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:09,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:30:09,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916898589] [2023-02-18 07:30:09,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916898589] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 07:30:09,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484474605] [2023-02-18 07:30:09,307 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 07:30:09,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 07:30:09,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:30:09,312 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) [2023-02-18 07:30:09,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-02-18 07:30:10,406 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2023-02-18 07:30:10,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:10,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 2697 conjuncts, 161 conjunts are in the unsatisfiable core [2023-02-18 07:30:10,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:29,332 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 31 dual juncts. [2023-02-18 07:30:29,334 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-02-18 07:30:29,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-02-18 07:30:29,539 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 [2023-02-18 07:30:29,540 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) [2023-02-18 07:30:29,543 INFO L158 Benchmark]: Toolchain (without parser) took 122407.87ms. Allocated memory was 121.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 84.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-02-18 07:30:29,543 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 68.0MB in the beginning and 67.9MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:30:29,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.96ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 74.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 07:30:29,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.74ms. Allocated memory is still 121.6MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 07:30:29,544 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 912.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:30:29,545 INFO L158 Benchmark]: RCFGBuilder took 273.75ms. Allocated memory is still 121.6MB. Free memory was 71.6MB in the beginning and 61.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 07:30:29,545 INFO L158 Benchmark]: TraceAbstraction took 121902.61ms. Allocated memory was 121.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 60.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 980.2MB. Max. memory is 16.1GB. [2023-02-18 07:30:29,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 68.0MB in the beginning and 67.9MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.96ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 74.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.74ms. Allocated memory is still 121.6MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 121.6MB. Free memory was 73.0MB in the beginning and 72.0MB in the end (delta: 912.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.75ms. Allocated memory is still 121.6MB. Free memory was 71.6MB in the beginning and 61.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 121902.61ms. Allocated memory was 121.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 60.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 980.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-02-18 07:30:29,558 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-?-26d01a9 [2023-02-18 07:30:31,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:30:31,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:30:31,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:30:31,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:30:31,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:30:31,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:30:31,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:30:31,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:30:31,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:30:31,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:30:31,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:30:31,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:30:31,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:30:31,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:30:31,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:30:31,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:30:31,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:30:31,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:30:31,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:30:31,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:30:31,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:30:31,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:30:31,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:30:31,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:30:31,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:30:31,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:30:31,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:30:31,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:30:31,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:30:31,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:30:31,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:30:31,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:30:31,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:30:31,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:30:31,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:30:31,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:30:31,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:30:31,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:30:31,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:30:31,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:30:31,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-02-18 07:30:31,414 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:30:31,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:30:31,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:30:31,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:30:31,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:30:31,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:30:31,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:30:31,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:30:31,417 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:30:31,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:30:31,418 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 07:30:31,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:30:31,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 07:30:31,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 07:30:31,420 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:30:31,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 07:30:31,420 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 07:30:31,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:30:31,420 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:30:31,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:30:31,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:30:31,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:30:31,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:30:31,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:30:31,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:30:31,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:30:31,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:30:31,422 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 07:30:31,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 07:30:31,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:30:31,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:30:31,423 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:30:31,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:30:31,423 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 07:30:31,423 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:30:31,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-02-18 07:30:31,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:30:31,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:30:31,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:30:31,721 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:30:31,722 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:30:31,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2023-02-18 07:30:32,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:30:32,915 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:30:32,915 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2023-02-18 07:30:32,922 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880066ed6/d980750416474f84b1ce824f62435df0/FLAGa29771f30 [2023-02-18 07:30:32,941 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880066ed6/d980750416474f84b1ce824f62435df0 [2023-02-18 07:30:32,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:30:32,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:30:32,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:30:32,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:30:32,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:30:32,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:30:32" (1/1) ... [2023-02-18 07:30:32,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460cf427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:32, skipping insertion in model container [2023-02-18 07:30:32,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:30:32" (1/1) ... [2023-02-18 07:30:32,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:30:32,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:30:33,084 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] [2023-02-18 07:30:33,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:30:33,092 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:30:33,104 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] [2023-02-18 07:30:33,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:30:33,112 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:30:33,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33 WrapperNode [2023-02-18 07:30:33,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:30:33,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:30:33,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:30:33,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:30:33,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,134 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-18 07:30:33,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:30:33,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:30:33,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:30:33,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:30:33,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,166 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:30:33,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:30:33,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:30:33,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:30:33,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (1/1) ... [2023-02-18 07:30:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:30:33,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:30:33,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 07:30:33,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 07:30:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 07:30:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-02-18 07:30:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-02-18 07:30:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-02-18 07:30:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-02-18 07:30:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-18 07:30:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:30:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:30:33,284 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:30:33,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:30:33,444 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:30:33,448 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:30:33,448 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 07:30:33,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:30:33 BoogieIcfgContainer [2023-02-18 07:30:33,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:30:33,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:30:33,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:30:33,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:30:33,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:30:32" (1/3) ... [2023-02-18 07:30:33,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6540ddb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:30:33, skipping insertion in model container [2023-02-18 07:30:33,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:30:33" (2/3) ... [2023-02-18 07:30:33,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6540ddb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:30:33, skipping insertion in model container [2023-02-18 07:30:33,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:30:33" (3/3) ... [2023-02-18 07:30:33,454 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-02-18 07:30:33,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:30:33,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-02-18 07:30:33,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:30:33,504 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;@a0c861c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:30:33,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-02-18 07:30:33,507 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) [2023-02-18 07:30:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-18 07:30:33,511 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:33,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:30:33,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:33,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1081008278, now seen corresponding path program 1 times [2023-02-18 07:30:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:33,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037919463] [2023-02-18 07:30:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:33,523 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 [2023-02-18 07:30:33,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:33,526 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) [2023-02-18 07:30:33,527 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 [2023-02-18 07:30:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:33,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 07:30:33,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:33,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:30:33,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:33,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037919463] [2023-02-18 07:30:33,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037919463] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:30:33,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:30:33,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-18 07:30:33,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792682542] [2023-02-18 07:30:33,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:30:33,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 07:30:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:33,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 07:30:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 07:30:33,648 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) [2023-02-18 07:30:33,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:33,668 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2023-02-18 07:30:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 07:30:33,670 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 [2023-02-18 07:30:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:33,674 INFO L225 Difference]: With dead ends: 49 [2023-02-18 07:30:33,674 INFO L226 Difference]: Without dead ends: 34 [2023-02-18 07:30:33,676 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 [2023-02-18 07:30:33,678 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 [2023-02-18 07:30:33,680 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] [2023-02-18 07:30:33,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-18 07:30:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-18 07:30:33,700 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) [2023-02-18 07:30:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-02-18 07:30:33,701 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 7 [2023-02-18 07:30:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:33,702 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-02-18 07:30:33,702 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) [2023-02-18 07:30:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-02-18 07:30:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-18 07:30:33,704 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:33,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:30:33,710 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 (2)] Ended with exit code 0 [2023-02-18 07:30:33,906 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 [2023-02-18 07:30:33,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:33,907 INFO L85 PathProgramCache]: Analyzing trace with hash 848481788, now seen corresponding path program 1 times [2023-02-18 07:30:33,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:33,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438144139] [2023-02-18 07:30:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:33,908 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 [2023-02-18 07:30:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:33,909 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) [2023-02-18 07:30:33,909 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 [2023-02-18 07:30:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:33,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 07:30:33,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:33,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:30:33,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:33,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438144139] [2023-02-18 07:30:33,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438144139] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:30:33,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:30:33,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:30:33,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70432909] [2023-02-18 07:30:33,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:30:33,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:30:33,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:30:33,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:30:33,992 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) [2023-02-18 07:30:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:34,030 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2023-02-18 07:30:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:30:34,031 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 [2023-02-18 07:30:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:34,031 INFO L225 Difference]: With dead ends: 56 [2023-02-18 07:30:34,032 INFO L226 Difference]: Without dead ends: 55 [2023-02-18 07:30:34,032 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 [2023-02-18 07:30:34,033 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 [2023-02-18 07:30:34,033 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] [2023-02-18 07:30:34,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-18 07:30:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2023-02-18 07:30:34,038 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) [2023-02-18 07:30:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-02-18 07:30:34,040 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 8 [2023-02-18 07:30:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:34,040 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-02-18 07:30:34,040 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) [2023-02-18 07:30:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-02-18 07:30:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-18 07:30:34,041 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:34,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:30:34,051 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 [2023-02-18 07:30:34,247 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 [2023-02-18 07:30:34,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 533131692, now seen corresponding path program 1 times [2023-02-18 07:30:34,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:34,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547946375] [2023-02-18 07:30:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:34,249 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 [2023-02-18 07:30:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:34,250 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) [2023-02-18 07:30:34,251 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 [2023-02-18 07:30:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:34,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-18 07:30:34,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:34,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:30:34,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:34,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547946375] [2023-02-18 07:30:34,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547946375] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:30:34,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:30:34,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:30:34,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534804591] [2023-02-18 07:30:34,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:30:34,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:30:34,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:34,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:30:34,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:30:34,295 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) [2023-02-18 07:30:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:34,386 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2023-02-18 07:30:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 07:30:34,387 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 [2023-02-18 07:30:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:34,388 INFO L225 Difference]: With dead ends: 65 [2023-02-18 07:30:34,388 INFO L226 Difference]: Without dead ends: 46 [2023-02-18 07:30:34,388 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 [2023-02-18 07:30:34,389 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:34,390 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] [2023-02-18 07:30:34,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-18 07:30:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-02-18 07:30:34,401 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) [2023-02-18 07:30:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-02-18 07:30:34,406 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 9 [2023-02-18 07:30:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:34,406 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-02-18 07:30:34,406 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) [2023-02-18 07:30:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-02-18 07:30:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-18 07:30:34,407 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:34,407 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:30:34,419 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 [2023-02-18 07:30:34,617 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 [2023-02-18 07:30:34,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:34,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1215034722, now seen corresponding path program 1 times [2023-02-18 07:30:34,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:34,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537175356] [2023-02-18 07:30:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:34,618 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 [2023-02-18 07:30:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:34,621 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) [2023-02-18 07:30:34,626 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 [2023-02-18 07:30:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:34,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-18 07:30:34,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:34,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:34,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:34,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537175356] [2023-02-18 07:30:34,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537175356] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:34,752 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:34,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-18 07:30:34,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771477686] [2023-02-18 07:30:34,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:34,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-18 07:30:34,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:34,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-18 07:30:34,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-18 07:30:34,757 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) [2023-02-18 07:30:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:34,948 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2023-02-18 07:30:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 07:30:34,949 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 [2023-02-18 07:30:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:34,951 INFO L225 Difference]: With dead ends: 141 [2023-02-18 07:30:34,951 INFO L226 Difference]: Without dead ends: 140 [2023-02-18 07:30:34,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-02-18 07:30:34,953 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, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:34,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 250 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:30:34,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-02-18 07:30:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 85. [2023-02-18 07:30:34,963 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) [2023-02-18 07:30:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2023-02-18 07:30:34,965 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 15 [2023-02-18 07:30:34,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:34,965 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2023-02-18 07:30:34,965 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) [2023-02-18 07:30:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-02-18 07:30:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 07:30:34,966 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:34,966 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:30:34,973 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 [2023-02-18 07:30:35,173 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 [2023-02-18 07:30:35,173 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash -988629242, now seen corresponding path program 1 times [2023-02-18 07:30:35,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:35,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947642895] [2023-02-18 07:30:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:35,175 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 [2023-02-18 07:30:35,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:35,176 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) [2023-02-18 07:30:35,178 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 [2023-02-18 07:30:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:35,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 07:30:35,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:35,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:35,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:35,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947642895] [2023-02-18 07:30:35,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947642895] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:35,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:35,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-18 07:30:35,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103478265] [2023-02-18 07:30:35,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:35,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 07:30:35,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:35,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 07:30:35,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:30:35,359 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) [2023-02-18 07:30:35,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:35,566 INFO L93 Difference]: Finished difference Result 91 states and 122 transitions. [2023-02-18 07:30:35,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 07:30:35,567 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 [2023-02-18 07:30:35,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:35,568 INFO L225 Difference]: With dead ends: 91 [2023-02-18 07:30:35,568 INFO L226 Difference]: Without dead ends: 89 [2023-02-18 07:30:35,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-02-18 07:30:35,569 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 70 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-02-18 07:30:35,569 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] [2023-02-18 07:30:35,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-18 07:30:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-02-18 07:30:35,586 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) [2023-02-18 07:30:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2023-02-18 07:30:35,588 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 16 [2023-02-18 07:30:35,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:35,588 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2023-02-18 07:30:35,588 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) [2023-02-18 07:30:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2023-02-18 07:30:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-18 07:30:35,589 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:35,589 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] [2023-02-18 07:30:35,597 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 [2023-02-18 07:30:35,800 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 [2023-02-18 07:30:35,800 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:35,801 INFO L85 PathProgramCache]: Analyzing trace with hash 821082338, now seen corresponding path program 1 times [2023-02-18 07:30:35,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:35,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220525653] [2023-02-18 07:30:35,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:35,801 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 [2023-02-18 07:30:35,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:35,803 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) [2023-02-18 07:30:35,805 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 [2023-02-18 07:30:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:35,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-18 07:30:35,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 07:30:35,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 07:30:35,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:35,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220525653] [2023-02-18 07:30:35,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220525653] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:35,977 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:35,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2023-02-18 07:30:35,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100107389] [2023-02-18 07:30:35,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 07:30:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:35,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 07:30:35,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-02-18 07:30:35,979 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) [2023-02-18 07:30:36,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:36,113 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2023-02-18 07:30:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 07:30:36,114 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 [2023-02-18 07:30:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:36,115 INFO L225 Difference]: With dead ends: 182 [2023-02-18 07:30:36,115 INFO L226 Difference]: Without dead ends: 100 [2023-02-18 07:30:36,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-02-18 07:30:36,116 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 [2023-02-18 07:30:36,117 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] [2023-02-18 07:30:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-02-18 07:30:36,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-02-18 07:30:36,125 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) [2023-02-18 07:30:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2023-02-18 07:30:36,126 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 28 [2023-02-18 07:30:36,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:36,126 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2023-02-18 07:30:36,126 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) [2023-02-18 07:30:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-02-18 07:30:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-18 07:30:36,127 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:36,127 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-02-18 07:30:36,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-02-18 07:30:36,333 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 [2023-02-18 07:30:36,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:36,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:36,334 INFO L85 PathProgramCache]: Analyzing trace with hash 590585980, now seen corresponding path program 2 times [2023-02-18 07:30:36,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:36,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519580979] [2023-02-18 07:30:36,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:30:36,334 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 [2023-02-18 07:30:36,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:36,336 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) [2023-02-18 07:30:36,343 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 [2023-02-18 07:30:36,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:30:36,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:36,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-18 07:30:36,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:36,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:36,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:36,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519580979] [2023-02-18 07:30:36,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519580979] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:36,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:36,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2023-02-18 07:30:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210122476] [2023-02-18 07:30:36,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:36,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-18 07:30:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:36,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-18 07:30:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-02-18 07:30:36,728 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) [2023-02-18 07:30:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:37,789 INFO L93 Difference]: Finished difference Result 348 states and 490 transitions. [2023-02-18 07:30:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-18 07:30:37,790 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 [2023-02-18 07:30:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:37,792 INFO L225 Difference]: With dead ends: 348 [2023-02-18 07:30:37,792 INFO L226 Difference]: Without dead ends: 347 [2023-02-18 07:30:37,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 47 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2023-02-18 07:30:37,793 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 474 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:37,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1189 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-18 07:30:37,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-02-18 07:30:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 228. [2023-02-18 07:30:37,812 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) [2023-02-18 07:30:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 358 transitions. [2023-02-18 07:30:37,814 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 358 transitions. Word has length 36 [2023-02-18 07:30:37,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:37,815 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 358 transitions. [2023-02-18 07:30:37,815 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) [2023-02-18 07:30:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 358 transitions. [2023-02-18 07:30:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-18 07:30:37,816 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:37,817 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] [2023-02-18 07:30:37,829 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 (8)] Forceful destruction successful, exit code 0 [2023-02-18 07:30:38,024 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 [2023-02-18 07:30:38,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:38,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1863188226, now seen corresponding path program 2 times [2023-02-18 07:30:38,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:38,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884286891] [2023-02-18 07:30:38,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:30:38,026 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 [2023-02-18 07:30:38,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:38,027 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) [2023-02-18 07:30:38,028 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 [2023-02-18 07:30:38,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-18 07:30:38,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:38,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-18 07:30:38,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-02-18 07:30:38,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:30:38,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:38,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884286891] [2023-02-18 07:30:38,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884286891] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:30:38,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:30:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 07:30:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784954028] [2023-02-18 07:30:38,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:30:38,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 07:30:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 07:30:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:30:38,065 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) [2023-02-18 07:30:38,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:38,099 INFO L93 Difference]: Finished difference Result 244 states and 376 transitions. [2023-02-18 07:30:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 07:30:38,099 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 [2023-02-18 07:30:38,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:38,101 INFO L225 Difference]: With dead ends: 244 [2023-02-18 07:30:38,101 INFO L226 Difference]: Without dead ends: 239 [2023-02-18 07:30:38,102 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 [2023-02-18 07:30:38,102 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 [2023-02-18 07:30:38,102 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] [2023-02-18 07:30:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-02-18 07:30:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 235. [2023-02-18 07:30:38,123 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) [2023-02-18 07:30:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2023-02-18 07:30:38,125 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 60 [2023-02-18 07:30:38,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:38,125 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2023-02-18 07:30:38,126 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) [2023-02-18 07:30:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2023-02-18 07:30:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-18 07:30:38,127 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:38,128 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] [2023-02-18 07:30:38,137 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 [2023-02-18 07:30:38,334 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 [2023-02-18 07:30:38,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 463463118, now seen corresponding path program 1 times [2023-02-18 07:30:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:38,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220345830] [2023-02-18 07:30:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:38,335 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 [2023-02-18 07:30:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:38,337 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) [2023-02-18 07:30:38,340 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 [2023-02-18 07:30:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:38,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-18 07:30:38,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 53 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-02-18 07:30:38,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-02-18 07:30:38,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:38,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220345830] [2023-02-18 07:30:38,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220345830] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:38,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:38,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 15 [2023-02-18 07:30:38,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670485862] [2023-02-18 07:30:38,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:38,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-18 07:30:38,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:38,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-18 07:30:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-02-18 07:30:38,540 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) [2023-02-18 07:30:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:38,811 INFO L93 Difference]: Finished difference Result 569 states and 963 transitions. [2023-02-18 07:30:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-18 07:30:38,812 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 [2023-02-18 07:30:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:38,814 INFO L225 Difference]: With dead ends: 569 [2023-02-18 07:30:38,814 INFO L226 Difference]: Without dead ends: 377 [2023-02-18 07:30:38,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 107 SyntacticMatches, 9 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-02-18 07:30:38,816 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 [2023-02-18 07:30:38,816 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] [2023-02-18 07:30:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-02-18 07:30:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 352. [2023-02-18 07:30:38,834 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) [2023-02-18 07:30:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 480 transitions. [2023-02-18 07:30:38,836 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 480 transitions. Word has length 65 [2023-02-18 07:30:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:38,837 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 480 transitions. [2023-02-18 07:30:38,837 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) [2023-02-18 07:30:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 480 transitions. [2023-02-18 07:30:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-18 07:30:38,838 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:38,838 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] [2023-02-18 07:30:38,851 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 [2023-02-18 07:30:39,046 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 [2023-02-18 07:30:39,046 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:39,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1288557639, now seen corresponding path program 1 times [2023-02-18 07:30:39,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:39,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755532145] [2023-02-18 07:30:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:39,047 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 [2023-02-18 07:30:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:39,049 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) [2023-02-18 07:30:39,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-02-18 07:30:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:39,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 07:30:39,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-02-18 07:30:39,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 07:30:39,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:39,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755532145] [2023-02-18 07:30:39,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755532145] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:30:39,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:30:39,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:30:39,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875706372] [2023-02-18 07:30:39,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:30:39,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:30:39,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:39,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:30:39,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:30:39,104 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) [2023-02-18 07:30:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:39,132 INFO L93 Difference]: Finished difference Result 362 states and 492 transitions. [2023-02-18 07:30:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 07:30:39,133 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 [2023-02-18 07:30:39,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:39,135 INFO L225 Difference]: With dead ends: 362 [2023-02-18 07:30:39,135 INFO L226 Difference]: Without dead ends: 315 [2023-02-18 07:30:39,135 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 [2023-02-18 07:30:39,136 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 [2023-02-18 07:30:39,136 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] [2023-02-18 07:30:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-02-18 07:30:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2023-02-18 07:30:39,149 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) [2023-02-18 07:30:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2023-02-18 07:30:39,150 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 67 [2023-02-18 07:30:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:39,151 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2023-02-18 07:30:39,151 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) [2023-02-18 07:30:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2023-02-18 07:30:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-18 07:30:39,152 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:39,152 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-02-18 07:30:39,160 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 [2023-02-18 07:30:39,359 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 [2023-02-18 07:30:39,360 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:39,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:39,360 INFO L85 PathProgramCache]: Analyzing trace with hash 129037372, now seen corresponding path program 3 times [2023-02-18 07:30:39,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:39,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942137860] [2023-02-18 07:30:39,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:30:39,361 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 [2023-02-18 07:30:39,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:39,362 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) [2023-02-18 07:30:39,363 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 [2023-02-18 07:30:39,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-18 07:30:39,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:39,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-18 07:30:39,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:39,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:40,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:40,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942137860] [2023-02-18 07:30:40,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942137860] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:40,819 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:40,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2023-02-18 07:30:40,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039848702] [2023-02-18 07:30:40,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:40,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-18 07:30:40,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-18 07:30:40,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1739, Unknown=0, NotChecked=0, Total=2070 [2023-02-18 07:30:40,821 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) [2023-02-18 07:30:47,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:47,889 INFO L93 Difference]: Finished difference Result 1150 states and 1960 transitions. [2023-02-18 07:30:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-02-18 07:30:47,890 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 [2023-02-18 07:30:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:47,895 INFO L225 Difference]: With dead ends: 1150 [2023-02-18 07:30:47,896 INFO L226 Difference]: Without dead ends: 1113 [2023-02-18 07:30:47,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 104 SyntacticMatches, 6 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1387, Invalid=4775, Unknown=0, NotChecked=0, Total=6162 [2023-02-18 07:30:47,898 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1777 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 1939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1939 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:47,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 4487 Invalid, 4406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1939 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-02-18 07:30:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-02-18 07:30:47,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 721. [2023-02-18 07:30:47,951 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) [2023-02-18 07:30:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1454 transitions. [2023-02-18 07:30:47,957 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1454 transitions. Word has length 78 [2023-02-18 07:30:47,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:47,958 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 1454 transitions. [2023-02-18 07:30:47,958 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) [2023-02-18 07:30:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1454 transitions. [2023-02-18 07:30:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-02-18 07:30:47,962 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:47,962 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] [2023-02-18 07:30:47,975 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 [2023-02-18 07:30:48,170 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 [2023-02-18 07:30:48,171 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:48,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:48,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1732641074, now seen corresponding path program 2 times [2023-02-18 07:30:48,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:48,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846711647] [2023-02-18 07:30:48,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:30:48,172 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 [2023-02-18 07:30:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:48,173 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) [2023-02-18 07:30:48,174 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 [2023-02-18 07:30:48,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:30:48,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:48,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-18 07:30:48,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 35 proven. 217 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-02-18 07:30:48,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 35 proven. 238 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-02-18 07:30:48,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:48,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846711647] [2023-02-18 07:30:48,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846711647] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:48,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:48,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 21 [2023-02-18 07:30:48,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692308658] [2023-02-18 07:30:48,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:48,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-18 07:30:48,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:48,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-18 07:30:48,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2023-02-18 07:30:48,624 INFO L87 Difference]: Start difference. First operand 721 states and 1454 transitions. Second operand has 22 states, 19 states have (on average 3.526315789473684) internal successors, (67), 16 states have internal predecessors, (67), 13 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (14), 7 states have call predecessors, (14), 9 states have call successors, (14) [2023-02-18 07:30:49,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:49,728 INFO L93 Difference]: Finished difference Result 1799 states and 4094 transitions. [2023-02-18 07:30:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-18 07:30:49,729 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 3.526315789473684) internal successors, (67), 16 states have internal predecessors, (67), 13 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (14), 7 states have call predecessors, (14), 9 states have call successors, (14) Word has length 129 [2023-02-18 07:30:49,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:49,736 INFO L225 Difference]: With dead ends: 1799 [2023-02-18 07:30:49,736 INFO L226 Difference]: Without dead ends: 1187 [2023-02-18 07:30:49,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 232 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2023-02-18 07:30:49,744 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 232 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:49,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 348 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-18 07:30:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2023-02-18 07:30:49,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 997. [2023-02-18 07:30:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 740 states have (on average 1.0486486486486486) internal successors, (776), 739 states have internal predecessors, (776), 164 states have call successors, (164), 88 states have call predecessors, (164), 89 states have return successors, (540), 169 states have call predecessors, (540), 161 states have call successors, (540) [2023-02-18 07:30:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1480 transitions. [2023-02-18 07:30:49,802 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1480 transitions. Word has length 129 [2023-02-18 07:30:49,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:49,803 INFO L495 AbstractCegarLoop]: Abstraction has 997 states and 1480 transitions. [2023-02-18 07:30:49,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 3.526315789473684) internal successors, (67), 16 states have internal predecessors, (67), 13 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (14), 7 states have call predecessors, (14), 9 states have call successors, (14) [2023-02-18 07:30:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1480 transitions. [2023-02-18 07:30:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-02-18 07:30:49,805 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:49,805 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] [2023-02-18 07:30:49,813 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 [2023-02-18 07:30:50,013 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 [2023-02-18 07:30:50,014 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:50,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:50,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1744998254, now seen corresponding path program 1 times [2023-02-18 07:30:50,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:50,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387811866] [2023-02-18 07:30:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:50,015 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 [2023-02-18 07:30:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:50,016 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) [2023-02-18 07:30:50,018 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 [2023-02-18 07:30:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:50,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 07:30:50,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:30:50,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-02-18 07:30:50,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:50,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387811866] [2023-02-18 07:30:50,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387811866] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:50,178 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:50,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-02-18 07:30:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954874007] [2023-02-18 07:30:50,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:50,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-18 07:30:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:50,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-18 07:30:50,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-02-18 07:30:50,180 INFO L87 Difference]: Start difference. First operand 997 states and 1480 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) [2023-02-18 07:30:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:50,297 INFO L93 Difference]: Finished difference Result 1073 states and 1582 transitions. [2023-02-18 07:30:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 07:30:50,298 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 [2023-02-18 07:30:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:50,303 INFO L225 Difference]: With dead ends: 1073 [2023-02-18 07:30:50,303 INFO L226 Difference]: Without dead ends: 1061 [2023-02-18 07:30:50,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 271 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-02-18 07:30:50,304 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 12 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:50,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 154 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 07:30:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2023-02-18 07:30:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1054. [2023-02-18 07:30:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 788 states have (on average 1.049492385786802) internal successors, (827), 784 states have internal predecessors, (827), 164 states have call successors, (164), 88 states have call predecessors, (164), 98 states have return successors, (554), 181 states have call predecessors, (554), 161 states have call successors, (554) [2023-02-18 07:30:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1545 transitions. [2023-02-18 07:30:50,365 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1545 transitions. Word has length 142 [2023-02-18 07:30:50,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:50,365 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1545 transitions. [2023-02-18 07:30:50,365 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) [2023-02-18 07:30:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1545 transitions. [2023-02-18 07:30:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-02-18 07:30:50,368 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:50,368 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] [2023-02-18 07:30:50,383 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 [2023-02-18 07:30:50,577 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 [2023-02-18 07:30:50,577 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:50,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1390149118, now seen corresponding path program 3 times [2023-02-18 07:30:50,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:50,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052689247] [2023-02-18 07:30:50,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:30:50,578 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 [2023-02-18 07:30:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:50,579 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) [2023-02-18 07:30:50,585 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 [2023-02-18 07:30:50,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-18 07:30:50,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:50,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-18 07:30:50,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-18 07:30:50,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-02-18 07:30:51,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:51,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052689247] [2023-02-18 07:30:51,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052689247] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:51,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:51,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-02-18 07:30:51,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770371107] [2023-02-18 07:30:51,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:51,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-18 07:30:51,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-18 07:30:51,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2023-02-18 07:30:51,184 INFO L87 Difference]: Start difference. First operand 1054 states and 1545 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) [2023-02-18 07:30:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:53,154 INFO L93 Difference]: Finished difference Result 1363 states and 1877 transitions. [2023-02-18 07:30:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-02-18 07:30:53,157 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 [2023-02-18 07:30:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:53,163 INFO L225 Difference]: With dead ends: 1363 [2023-02-18 07:30:53,163 INFO L226 Difference]: Without dead ends: 1352 [2023-02-18 07:30:53,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=609, Invalid=1743, Unknown=0, NotChecked=0, Total=2352 [2023-02-18 07:30:53,165 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 529 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:53,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 729 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-18 07:30:53,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2023-02-18 07:30:53,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1238. [2023-02-18 07:30:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 939 states have (on average 1.0670926517571886) internal successors, (1002), 935 states have internal predecessors, (1002), 168 states have call successors, (168), 93 states have call predecessors, (168), 127 states have return successors, (580), 209 states have call predecessors, (580), 166 states have call successors, (580) [2023-02-18 07:30:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1750 transitions. [2023-02-18 07:30:53,222 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1750 transitions. Word has length 144 [2023-02-18 07:30:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:53,224 INFO L495 AbstractCegarLoop]: Abstraction has 1238 states and 1750 transitions. [2023-02-18 07:30:53,224 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) [2023-02-18 07:30:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1750 transitions. [2023-02-18 07:30:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-02-18 07:30:53,226 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:53,226 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] [2023-02-18 07:30:53,237 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 [2023-02-18 07:30:53,433 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 [2023-02-18 07:30:53,434 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1666257884, now seen corresponding path program 1 times [2023-02-18 07:30:53,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:53,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070919000] [2023-02-18 07:30:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:30:53,435 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 [2023-02-18 07:30:53,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:53,441 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) [2023-02-18 07:30:53,442 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 [2023-02-18 07:30:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:30:53,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-18 07:30:53,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 237 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-02-18 07:30:53,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 259 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-02-18 07:30:53,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:53,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070919000] [2023-02-18 07:30:53,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070919000] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:53,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:53,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 20 [2023-02-18 07:30:53,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117804836] [2023-02-18 07:30:53,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:53,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-18 07:30:53,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:53,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-18 07:30:53,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-02-18 07:30:53,771 INFO L87 Difference]: Start difference. First operand 1238 states and 1750 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) [2023-02-18 07:30:54,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:54,187 INFO L93 Difference]: Finished difference Result 1257 states and 1814 transitions. [2023-02-18 07:30:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-18 07:30:54,188 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 [2023-02-18 07:30:54,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:54,193 INFO L225 Difference]: With dead ends: 1257 [2023-02-18 07:30:54,193 INFO L226 Difference]: Without dead ends: 1252 [2023-02-18 07:30:54,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 280 SyntacticMatches, 13 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2023-02-18 07:30:54,194 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 72 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:54,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 344 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 07:30:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-02-18 07:30:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1246. [2023-02-18 07:30:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 944 states have (on average 1.0667372881355932) internal successors, (1007), 940 states have internal predecessors, (1007), 170 states have call successors, (170), 94 states have call predecessors, (170), 128 states have return successors, (581), 211 states have call predecessors, (581), 166 states have call successors, (581) [2023-02-18 07:30:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1758 transitions. [2023-02-18 07:30:54,245 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1758 transitions. Word has length 154 [2023-02-18 07:30:54,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:54,245 INFO L495 AbstractCegarLoop]: Abstraction has 1246 states and 1758 transitions. [2023-02-18 07:30:54,245 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) [2023-02-18 07:30:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1758 transitions. [2023-02-18 07:30:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-18 07:30:54,247 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:54,248 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] [2023-02-18 07:30:54,257 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 (16)] Forceful destruction successful, exit code 0 [2023-02-18 07:30:54,456 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 [2023-02-18 07:30:54,456 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:54,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:54,456 INFO L85 PathProgramCache]: Analyzing trace with hash -120268048, now seen corresponding path program 2 times [2023-02-18 07:30:54,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:54,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462891190] [2023-02-18 07:30:54,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 07:30:54,457 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 [2023-02-18 07:30:54,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:54,458 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) [2023-02-18 07:30:54,458 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 [2023-02-18 07:30:54,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 07:30:54,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:54,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-18 07:30:54,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 248 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-02-18 07:30:54,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 269 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-02-18 07:30:54,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462891190] [2023-02-18 07:30:54,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462891190] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:54,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:54,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 20 [2023-02-18 07:30:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234406403] [2023-02-18 07:30:54,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:54,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-18 07:30:54,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:54,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-18 07:30:54,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-02-18 07:30:54,778 INFO L87 Difference]: Start difference. First operand 1246 states and 1758 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) [2023-02-18 07:30:55,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:55,181 INFO L93 Difference]: Finished difference Result 1272 states and 1831 transitions. [2023-02-18 07:30:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-18 07:30:55,182 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 [2023-02-18 07:30:55,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:55,187 INFO L225 Difference]: With dead ends: 1272 [2023-02-18 07:30:55,187 INFO L226 Difference]: Without dead ends: 1255 [2023-02-18 07:30:55,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 290 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2023-02-18 07:30:55,188 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 109 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:55,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 300 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 07:30:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-02-18 07:30:55,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1251. [2023-02-18 07:30:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 948 states have (on average 1.0664556962025316) internal successors, (1011), 944 states have internal predecessors, (1011), 171 states have call successors, (171), 95 states have call predecessors, (171), 128 states have return successors, (581), 211 states have call predecessors, (581), 166 states have call successors, (581) [2023-02-18 07:30:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1763 transitions. [2023-02-18 07:30:55,238 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1763 transitions. Word has length 159 [2023-02-18 07:30:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:55,239 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1763 transitions. [2023-02-18 07:30:55,239 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) [2023-02-18 07:30:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1763 transitions. [2023-02-18 07:30:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-02-18 07:30:55,241 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:55,241 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] [2023-02-18 07:30:55,254 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 [2023-02-18 07:30:55,450 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 [2023-02-18 07:30:55,450 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:55,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:55,450 INFO L85 PathProgramCache]: Analyzing trace with hash -380613724, now seen corresponding path program 3 times [2023-02-18 07:30:55,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:55,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520618811] [2023-02-18 07:30:55,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 07:30:55,451 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 [2023-02-18 07:30:55,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:55,452 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) [2023-02-18 07:30:55,452 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 [2023-02-18 07:30:55,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-18 07:30:55,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:55,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 07:30:55,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-02-18 07:30:55,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-02-18 07:30:55,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:55,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520618811] [2023-02-18 07:30:55,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520618811] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:55,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:55,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-02-18 07:30:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715892696] [2023-02-18 07:30:55,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:55,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-18 07:30:55,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:55,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-18 07:30:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-18 07:30:55,622 INFO L87 Difference]: Start difference. First operand 1251 states and 1763 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) [2023-02-18 07:30:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:55,841 INFO L93 Difference]: Finished difference Result 1394 states and 1958 transitions. [2023-02-18 07:30:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-18 07:30:55,847 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 [2023-02-18 07:30:55,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:55,853 INFO L225 Difference]: With dead ends: 1394 [2023-02-18 07:30:55,854 INFO L226 Difference]: Without dead ends: 1353 [2023-02-18 07:30:55,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 310 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-02-18 07:30:55,855 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 11 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:55,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 281 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:30:55,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2023-02-18 07:30:55,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1346. [2023-02-18 07:30:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1030 states have (on average 1.0689320388349515) internal successors, (1101), 1024 states have internal predecessors, (1101), 171 states have call successors, (171), 95 states have call predecessors, (171), 141 states have return successors, (596), 226 states have call predecessors, (596), 166 states have call successors, (596) [2023-02-18 07:30:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1868 transitions. [2023-02-18 07:30:55,914 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1868 transitions. Word has length 164 [2023-02-18 07:30:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:55,914 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1868 transitions. [2023-02-18 07:30:55,914 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) [2023-02-18 07:30:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1868 transitions. [2023-02-18 07:30:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-02-18 07:30:55,917 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:55,917 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] [2023-02-18 07:30:55,928 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 [2023-02-18 07:30:56,124 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 [2023-02-18 07:30:56,124 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:56,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:56,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2000691330, now seen corresponding path program 4 times [2023-02-18 07:30:56,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:56,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381245045] [2023-02-18 07:30:56,125 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:30:56,126 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 [2023-02-18 07:30:56,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:56,127 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) [2023-02-18 07:30:56,129 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 (19)] Waiting until timeout for monitored process [2023-02-18 07:30:56,225 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:30:56,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:56,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-18 07:30:56,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 223 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2023-02-18 07:30:56,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:30:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 244 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-02-18 07:30:56,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:30:56,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381245045] [2023-02-18 07:30:56,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381245045] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:30:56,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:30:56,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 19 [2023-02-18 07:30:56,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596919200] [2023-02-18 07:30:56,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:30:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-18 07:30:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:30:56,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-18 07:30:56,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-02-18 07:30:56,443 INFO L87 Difference]: Start difference. First operand 1346 states and 1868 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) [2023-02-18 07:30:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:30:56,864 INFO L93 Difference]: Finished difference Result 1734 states and 2343 transitions. [2023-02-18 07:30:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-18 07:30:56,865 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 [2023-02-18 07:30:56,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:30:56,870 INFO L225 Difference]: With dead ends: 1734 [2023-02-18 07:30:56,870 INFO L226 Difference]: Without dead ends: 1282 [2023-02-18 07:30:56,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 320 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2023-02-18 07:30:56,878 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 77 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 07:30:56,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 324 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 07:30:56,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2023-02-18 07:30:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1278. [2023-02-18 07:30:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 982 states have (on average 1.0712830957230142) internal successors, (1052), 976 states have internal predecessors, (1052), 155 states have call successors, (155), 90 states have call predecessors, (155), 137 states have return successors, (539), 211 states have call predecessors, (539), 150 states have call successors, (539) [2023-02-18 07:30:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1746 transitions. [2023-02-18 07:30:56,919 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1746 transitions. Word has length 174 [2023-02-18 07:30:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:30:56,919 INFO L495 AbstractCegarLoop]: Abstraction has 1278 states and 1746 transitions. [2023-02-18 07:30:56,919 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) [2023-02-18 07:30:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1746 transitions. [2023-02-18 07:30:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-18 07:30:56,922 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:30:56,922 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-02-18 07:30:56,930 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 [2023-02-18 07:30:57,129 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 [2023-02-18 07:30:57,130 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:30:57,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:30:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash 481921980, now seen corresponding path program 4 times [2023-02-18 07:30:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:30:57,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185268587] [2023-02-18 07:30:57,131 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 07:30:57,131 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 [2023-02-18 07:30:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:30:57,132 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) [2023-02-18 07:30:57,135 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 [2023-02-18 07:30:57,241 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 07:30:57,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:30:57,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 93 conjunts are in the unsatisfiable core [2023-02-18 07:30:57,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:30:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:30:58,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:31:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:31:03,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:31:03,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185268587] [2023-02-18 07:31:03,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185268587] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:31:03,028 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:31:03,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2023-02-18 07:31:03,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354708471] [2023-02-18 07:31:03,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:31:03,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-18 07:31:03,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:31:03,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-18 07:31:03,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=7499, Unknown=0, NotChecked=0, Total=8742 [2023-02-18 07:31:03,040 INFO L87 Difference]: Start difference. First operand 1278 states and 1746 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) [2023-02-18 07:31:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:31:54,560 INFO L93 Difference]: Finished difference Result 13317 states and 18392 transitions. [2023-02-18 07:31:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-02-18 07:31:54,561 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 162 [2023-02-18 07:31:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:31:54,624 INFO L225 Difference]: With dead ends: 13317 [2023-02-18 07:31:54,624 INFO L226 Difference]: Without dead ends: 13172 [2023-02-18 07:31:54,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 217 SyntacticMatches, 13 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3613 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=5659, Invalid=20747, Unknown=0, NotChecked=0, Total=26406 [2023-02-18 07:31:54,636 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 5606 mSDsluCounter, 19626 mSDsCounter, 0 mSdLazyCounter, 13246 mSolverCounterSat, 10637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 20206 SdHoareTripleChecker+Invalid, 23883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10637 IncrementalHoareTripleChecker+Valid, 13246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2023-02-18 07:31:54,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 20206 Invalid, 23883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10637 Valid, 13246 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2023-02-18 07:31:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2023-02-18 07:31:54,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 2382. [2023-02-18 07:31:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1798 states have (on average 1.0522803114571746) internal successors, (1892), 1792 states have internal predecessors, (1892), 347 states have call successors, (347), 186 states have call predecessors, (347), 233 states have return successors, (3689), 403 states have call predecessors, (3689), 342 states have call successors, (3689) [2023-02-18 07:31:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 5928 transitions. [2023-02-18 07:31:54,901 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 5928 transitions. Word has length 162 [2023-02-18 07:31:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:31:54,901 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 5928 transitions. [2023-02-18 07:31:54,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-02-18 07:31:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 5928 transitions. [2023-02-18 07:31:54,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-02-18 07:31:54,907 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:31:54,907 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:31:54,918 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 (20)] Forceful destruction successful, exit code 0 [2023-02-18 07:31:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /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 [2023-02-18 07:31:55,116 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:31:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:31:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash -66310014, now seen corresponding path program 5 times [2023-02-18 07:31:55,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:31:55,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728212948] [2023-02-18 07:31:55,117 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:31:55,117 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 [2023-02-18 07:31:55,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:31:55,118 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2023-02-18 07:31:55,132 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 (21)] Waiting until timeout for monitored process [2023-02-18 07:31:55,405 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2023-02-18 07:31:55,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:31:55,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-18 07:31:55,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:31:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 221 proven. 702 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2023-02-18 07:31:55,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:31:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 221 proven. 742 refuted. 0 times theorem prover too weak. 1992 trivial. 0 not checked. [2023-02-18 07:31:55,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:31:55,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728212948] [2023-02-18 07:31:55,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728212948] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:31:55,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:31:55,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 23 [2023-02-18 07:31:55,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395272329] [2023-02-18 07:31:55,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:31:55,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-18 07:31:55,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:31:55,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-18 07:31:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2023-02-18 07:31:55,748 INFO L87 Difference]: Start difference. First operand 2382 states and 5928 transitions. Second operand has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2023-02-18 07:31:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:31:56,568 INFO L93 Difference]: Finished difference Result 5526 states and 16639 transitions. [2023-02-18 07:31:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-18 07:31:56,569 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) Word has length 302 [2023-02-18 07:31:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:31:56,585 INFO L225 Difference]: With dead ends: 5526 [2023-02-18 07:31:56,586 INFO L226 Difference]: Without dead ends: 3318 [2023-02-18 07:31:56,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 571 SyntacticMatches, 13 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2023-02-18 07:31:56,622 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 70 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-18 07:31:56,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 470 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-18 07:31:56,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2023-02-18 07:31:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 2738. [2023-02-18 07:31:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2071 states have (on average 1.0453887011105747) internal successors, (2165), 2064 states have internal predecessors, (2165), 395 states have call successors, (395), 221 states have call predecessors, (395), 268 states have return successors, (1699), 452 states have call predecessors, (1699), 384 states have call successors, (1699) [2023-02-18 07:31:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 4259 transitions. [2023-02-18 07:31:56,819 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 4259 transitions. Word has length 302 [2023-02-18 07:31:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:31:56,819 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 4259 transitions. [2023-02-18 07:31:56,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.761904761904762) internal successors, (79), 18 states have internal predecessors, (79), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2023-02-18 07:31:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 4259 transitions. [2023-02-18 07:31:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2023-02-18 07:31:56,840 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:31:56,840 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 07:31:56,852 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 (21)] Ended with exit code 0 [2023-02-18 07:31:57,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /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 [2023-02-18 07:31:57,050 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:31:57,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:31:57,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1989365890, now seen corresponding path program 6 times [2023-02-18 07:31:57,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:31:57,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910862844] [2023-02-18 07:31:57,051 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 07:31:57,051 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 [2023-02-18 07:31:57,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:31:57,052 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2023-02-18 07:31:57,053 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 (22)] Waiting until timeout for monitored process [2023-02-18 07:31:57,445 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-02-18 07:31:57,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:31:57,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 39 conjunts are in the unsatisfiable core [2023-02-18 07:31:57,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:31:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 11787 backedges. 614 proven. 1774 refuted. 0 times theorem prover too weak. 9399 trivial. 0 not checked. [2023-02-18 07:31:58,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:32:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11787 backedges. 606 proven. 1840 refuted. 0 times theorem prover too weak. 9341 trivial. 0 not checked. [2023-02-18 07:32:01,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:32:01,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910862844] [2023-02-18 07:32:01,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910862844] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:32:01,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:32:01,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 37] total 65 [2023-02-18 07:32:01,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532650468] [2023-02-18 07:32:01,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:32:01,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-02-18 07:32:01,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:32:01,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-02-18 07:32:01,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=3869, Unknown=0, NotChecked=0, Total=4290 [2023-02-18 07:32:01,633 INFO L87 Difference]: Start difference. First operand 2738 states and 4259 transitions. Second operand has 66 states, 63 states have (on average 2.619047619047619) internal successors, (165), 40 states have internal predecessors, (165), 34 states have call successors, (40), 23 states have call predecessors, (40), 9 states have return successors, (21), 15 states have call predecessors, (21), 12 states have call successors, (21) [2023-02-18 07:32:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:32:11,262 INFO L93 Difference]: Finished difference Result 5692 states and 9714 transitions. [2023-02-18 07:32:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-02-18 07:32:11,263 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 63 states have (on average 2.619047619047619) internal successors, (165), 40 states have internal predecessors, (165), 34 states have call successors, (40), 23 states have call predecessors, (40), 9 states have return successors, (21), 15 states have call predecessors, (21), 12 states have call successors, (21) Word has length 558 [2023-02-18 07:32:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:32:11,275 INFO L225 Difference]: With dead ends: 5692 [2023-02-18 07:32:11,275 INFO L226 Difference]: Without dead ends: 3602 [2023-02-18 07:32:11,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1038 SyntacticMatches, 15 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1573 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=996, Invalid=10134, Unknown=0, NotChecked=0, Total=11130 [2023-02-18 07:32:11,284 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 547 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 4792 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 3303 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 4792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-02-18 07:32:11,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 3303 Invalid, 5129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 4792 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-02-18 07:32:11,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2023-02-18 07:32:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 2938. [2023-02-18 07:32:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2248 states have (on average 1.0440391459074734) internal successors, (2347), 2240 states have internal predecessors, (2347), 415 states have call successors, (415), 248 states have call predecessors, (415), 271 states have return successors, (1003), 449 states have call predecessors, (1003), 408 states have call successors, (1003) [2023-02-18 07:32:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 3765 transitions. [2023-02-18 07:32:11,443 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 3765 transitions. Word has length 558 [2023-02-18 07:32:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:32:11,444 INFO L495 AbstractCegarLoop]: Abstraction has 2938 states and 3765 transitions. [2023-02-18 07:32:11,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 63 states have (on average 2.619047619047619) internal successors, (165), 40 states have internal predecessors, (165), 34 states have call successors, (40), 23 states have call predecessors, (40), 9 states have return successors, (21), 15 states have call predecessors, (21), 12 states have call successors, (21) [2023-02-18 07:32:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3765 transitions. [2023-02-18 07:32:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-02-18 07:32:11,451 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:32:11,451 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-02-18 07:32:11,461 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 (22)] Forceful destruction successful, exit code 0 [2023-02-18 07:32:11,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /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 [2023-02-18 07:32:11,661 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-02-18 07:32:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:32:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash 370309820, now seen corresponding path program 5 times [2023-02-18 07:32:11,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 07:32:11,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566881136] [2023-02-18 07:32:11,662 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 07:32:11,662 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 [2023-02-18 07:32:11,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 07:32:11,669 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2023-02-18 07:32:11,672 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 (23)] Waiting until timeout for monitored process [2023-02-18 07:32:12,548 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 07:32:12,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 07:32:12,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 216 conjunts are in the unsatisfiable core [2023-02-18 07:32:12,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 07:32:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:32:24,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 07:35:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:35:08,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-18 07:35:08,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566881136] [2023-02-18 07:35:08,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566881136] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 07:35:08,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 07:35:08,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95] total 189 [2023-02-18 07:35:08,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596742755] [2023-02-18 07:35:08,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 07:35:08,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-18 07:35:08,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-18 07:35:08,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-18 07:35:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4795, Invalid=31115, Unknown=0, NotChecked=0, Total=35910 [2023-02-18 07:35:08,338 INFO L87 Difference]: Start difference. First operand 2938 states and 3765 transitions. Second operand has 190 states, 189 states have (on average 2.984126984126984) internal successors, (564), 190 states have internal predecessors, (564), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)