./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 6c24879c 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-?-6c24879 [2022-07-13 02:11:58,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:11:58,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:11:58,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:11:58,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:11:58,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:11:58,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:11:58,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:11:58,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:11:58,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:11:58,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:11:58,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:11:58,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:11:58,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:11:58,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:11:58,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:11:58,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:11:58,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:11:58,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:11:58,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:11:58,070 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:11:58,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:11:58,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:11:58,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:11:58,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:11:58,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:11:58,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:11:58,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:11:58,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:11:58,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:11:58,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:11:58,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:11:58,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:11:58,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:11:58,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:11:58,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:11:58,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:11:58,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:11:58,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:11:58,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:11:58,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:11:58,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:11:58,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:11:58,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:11:58,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:11:58,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:11:58,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:11:58,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:11:58,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:11:58,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:11:58,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:11:58,119 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:11:58,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:11:58,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:11:58,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:11:58,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:11:58,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:11:58,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:11:58,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:11:58,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:11:58,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:11:58,121 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:11:58,121 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:11:58,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:11:58,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:11:58,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:11:58,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:11:58,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:11:58,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:11:58,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:11:58,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:11:58,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:11:58,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:11:58,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:11:58,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:11:58,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:11:58,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2022-07-13 02:11:58,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:11:58,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:11:58,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:11:58,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:11:58,415 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:11:58,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/recHanoi01.c [2022-07-13 02:11:58,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ddb85187/6d72345fdaea4118bea378de22adba26/FLAGd083656b4 [2022-07-13 02:11:58,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:11:58,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/recHanoi01.c [2022-07-13 02:11:58,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ddb85187/6d72345fdaea4118bea378de22adba26/FLAGd083656b4 [2022-07-13 02:11:58,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ddb85187/6d72345fdaea4118bea378de22adba26 [2022-07-13 02:11:58,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:11:58,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:11:58,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:11:58,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:11:58,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:11:58,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:11:58" (1/1) ... [2022-07-13 02:11:58,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3654caff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:58, skipping insertion in model container [2022-07-13 02:11:58,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:11:58" (1/1) ... [2022-07-13 02:11:58,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:11:58,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:11:59,075 WARN L230 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] [2022-07-13 02:11:59,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:11:59,083 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:11:59,098 WARN L230 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] [2022-07-13 02:11:59,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:11:59,116 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:11:59,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59 WrapperNode [2022-07-13 02:11:59,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:11:59,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:11:59,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:11:59,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:11:59,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,145 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-07-13 02:11:59,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:11:59,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:11:59,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:11:59,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:11:59,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:11:59,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:11:59,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:11:59,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:11:59,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (1/1) ... [2022-07-13 02:11:59,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:11:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:11:59,211 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) [2022-07-13 02:11:59,213 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 [2022-07-13 02:11:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:11:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2022-07-13 02:11:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2022-07-13 02:11:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2022-07-13 02:11:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2022-07-13 02:11:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:11:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:11:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:11:59,296 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:11:59,299 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:11:59,483 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:11:59,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:11:59,502 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 02:11:59,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:11:59 BoogieIcfgContainer [2022-07-13 02:11:59,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:11:59,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:11:59,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:11:59,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:11:59,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:11:58" (1/3) ... [2022-07-13 02:11:59,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa7f1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:11:59, skipping insertion in model container [2022-07-13 02:11:59,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:11:59" (2/3) ... [2022-07-13 02:11:59,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa7f1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:11:59, skipping insertion in model container [2022-07-13 02:11:59,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:11:59" (3/3) ... [2022-07-13 02:11:59,511 INFO L111 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2022-07-13 02:11:59,538 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:11:59,538 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-07-13 02:11:59,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:11:59,604 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f6d1fd9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4c738311 [2022-07-13 02:11:59,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-07-13 02:11:59,609 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) [2022-07-13 02:11:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-07-13 02:11:59,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:11:59,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:11:59,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:11:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:11:59,627 INFO L85 PathProgramCache]: Analyzing trace with hash -163922134, now seen corresponding path program 1 times [2022-07-13 02:11:59,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:11:59,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80088836] [2022-07-13 02:11:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:11:59,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:11:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:11:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:11:59,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:11:59,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80088836] [2022-07-13 02:11:59,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80088836] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:11:59,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:11:59,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 02:11:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338079843] [2022-07-13 02:11:59,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:11:59,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:11:59,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:11:59,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:11:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 02:11:59,891 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) [2022-07-13 02:11:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:11:59,962 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2022-07-13 02:11:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:11:59,966 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 [2022-07-13 02:11:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:11:59,972 INFO L225 Difference]: With dead ends: 83 [2022-07-13 02:11:59,972 INFO L226 Difference]: Without dead ends: 66 [2022-07-13 02:11:59,974 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 [2022-07-13 02:11:59,984 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 [2022-07-13 02:11:59,985 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] [2022-07-13 02:12:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-07-13 02:12:00,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2022-07-13 02:12:00,026 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) [2022-07-13 02:12:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-07-13 02:12:00,031 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2022-07-13 02:12:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:00,031 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-07-13 02:12:00,031 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) [2022-07-13 02:12:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-07-13 02:12:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-13 02:12:00,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:00,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:00,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:12:00,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:00,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1384620396, now seen corresponding path program 1 times [2022-07-13 02:12:00,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:00,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696507795] [2022-07-13 02:12:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:00,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:00,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696507795] [2022-07-13 02:12:00,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696507795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:00,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:12:00,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:12:00,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705595403] [2022-07-13 02:12:00,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:00,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 02:12:00,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:00,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 02:12:00,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:12:00,107 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) [2022-07-13 02:12:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:00,180 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2022-07-13 02:12:00,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:12:00,181 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 [2022-07-13 02:12:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:00,183 INFO L225 Difference]: With dead ends: 47 [2022-07-13 02:12:00,183 INFO L226 Difference]: Without dead ends: 45 [2022-07-13 02:12:00,184 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 [2022-07-13 02:12:00,185 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 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 [2022-07-13 02:12:00,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 100 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-07-13 02:12:00,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-07-13 02:12:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 38 states have internal predecessors, (40), 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) [2022-07-13 02:12:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2022-07-13 02:12:00,193 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 9 [2022-07-13 02:12:00,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:00,193 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2022-07-13 02:12:00,193 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) [2022-07-13 02:12:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-07-13 02:12:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 02:12:00,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:00,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:00,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 02:12:00,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:00,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:00,203 INFO L85 PathProgramCache]: Analyzing trace with hash -26440642, now seen corresponding path program 1 times [2022-07-13 02:12:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:00,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060966800] [2022-07-13 02:12:00,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:00,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:00,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:00,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060966800] [2022-07-13 02:12:00,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060966800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:00,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:12:00,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:12:00,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920433339] [2022-07-13 02:12:00,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:00,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 02:12:00,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:00,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 02:12:00,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:12:00,265 INFO L87 Difference]: Start difference. First operand 45 states and 50 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) [2022-07-13 02:12:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:00,332 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2022-07-13 02:12:00,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:12:00,333 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 [2022-07-13 02:12:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:00,334 INFO L225 Difference]: With dead ends: 74 [2022-07-13 02:12:00,335 INFO L226 Difference]: Without dead ends: 51 [2022-07-13 02:12:00,336 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 [2022-07-13 02:12:00,337 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:00,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 138 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-13 02:12:00,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-13 02:12:00,350 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) [2022-07-13 02:12:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2022-07-13 02:12:00,353 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2022-07-13 02:12:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:00,353 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2022-07-13 02:12:00,353 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) [2022-07-13 02:12:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2022-07-13 02:12:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-13 02:12:00,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:00,354 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:00,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 02:12:00,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1596321821, now seen corresponding path program 1 times [2022-07-13 02:12:00,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:00,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682835397] [2022-07-13 02:12:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:00,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682835397] [2022-07-13 02:12:00,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682835397] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:00,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114365237] [2022-07-13 02:12:00,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:00,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:00,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:00,415 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) [2022-07-13 02:12:00,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 02:12:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:00,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 02:12:00,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:00,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:00,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114365237] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:00,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:00,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-07-13 02:12:00,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216762792] [2022-07-13 02:12:00,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:00,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 02:12:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:00,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 02:12:00,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-13 02:12:00,598 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-07-13 02:12:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:00,784 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2022-07-13 02:12:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 02:12:00,784 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 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 14 [2022-07-13 02:12:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:00,787 INFO L225 Difference]: With dead ends: 161 [2022-07-13 02:12:00,787 INFO L226 Difference]: Without dead ends: 160 [2022-07-13 02:12:00,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-07-13 02:12:00,788 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 118 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:00,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 321 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:12:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-13 02:12:00,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 89. [2022-07-13 02:12:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 72 states have internal predecessors, (80), 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) [2022-07-13 02:12:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-07-13 02:12:00,806 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 14 [2022-07-13 02:12:00,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:00,807 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-07-13 02:12:00,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-07-13 02:12:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-07-13 02:12:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-13 02:12:00,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:00,808 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:00,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:01,026 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 [2022-07-13 02:12:01,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:01,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2053631139, now seen corresponding path program 1 times [2022-07-13 02:12:01,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:01,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662453726] [2022-07-13 02:12:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:01,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:01,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:01,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662453726] [2022-07-13 02:12:01,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662453726] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:01,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139635753] [2022-07-13 02:12:01,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:01,076 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) [2022-07-13 02:12:01,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 02:12:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:01,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 02:12:01,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:01,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:12:01,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139635753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:01,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 02:12:01,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-13 02:12:01,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512380984] [2022-07-13 02:12:01,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:01,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 02:12:01,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 02:12:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-13 02:12:01,195 INFO L87 Difference]: Start difference. First operand 89 states and 122 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-13 02:12:01,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:01,228 INFO L93 Difference]: Finished difference Result 89 states and 122 transitions. [2022-07-13 02:12:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 02:12:01,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2022-07-13 02:12:01,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:01,231 INFO L225 Difference]: With dead ends: 89 [2022-07-13 02:12:01,232 INFO L226 Difference]: Without dead ends: 88 [2022-07-13 02:12:01,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 02:12:01,235 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 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 [2022-07-13 02:12:01,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:01,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-13 02:12:01,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-13 02:12:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.305084745762712) internal successors, (77), 71 states have internal predecessors, (77), 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) [2022-07-13 02:12:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2022-07-13 02:12:01,264 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 15 [2022-07-13 02:12:01,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:01,264 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2022-07-13 02:12:01,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-13 02:12:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2022-07-13 02:12:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-13 02:12:01,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:01,266 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:01,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-13 02:12:01,479 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 [2022-07-13 02:12:01,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:01,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:01,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2145430299, now seen corresponding path program 1 times [2022-07-13 02:12:01,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:01,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557653012] [2022-07-13 02:12:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:01,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:01,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:01,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557653012] [2022-07-13 02:12:01,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557653012] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:01,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869120707] [2022-07-13 02:12:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:01,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:01,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:01,529 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) [2022-07-13 02:12:01,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 02:12:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:01,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 02:12:01,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:01,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:01,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869120707] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:01,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:01,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-07-13 02:12:01,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348598856] [2022-07-13 02:12:01,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:01,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 02:12:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:01,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 02:12:01,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-13 02:12:01,649 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-07-13 02:12:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:01,742 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2022-07-13 02:12:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 02:12:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 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 17 [2022-07-13 02:12:01,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:01,744 INFO L225 Difference]: With dead ends: 94 [2022-07-13 02:12:01,744 INFO L226 Difference]: Without dead ends: 92 [2022-07-13 02:12:01,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2022-07-13 02:12:01,745 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 51 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:01,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 172 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:12:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-13 02:12:01,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-13 02:12:01,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 72 states have internal predecessors, (74), 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) [2022-07-13 02:12:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-07-13 02:12:01,758 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 17 [2022-07-13 02:12:01,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:01,759 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-07-13 02:12:01,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-07-13 02:12:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-07-13 02:12:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 02:12:01,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:01,760 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] [2022-07-13 02:12:01,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:01,975 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 [2022-07-13 02:12:01,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:01,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:01,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1365612226, now seen corresponding path program 1 times [2022-07-13 02:12:01,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:01,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562073073] [2022-07-13 02:12:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 02:12:02,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:02,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562073073] [2022-07-13 02:12:02,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562073073] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:02,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059432625] [2022-07-13 02:12:02,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:02,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:02,116 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) [2022-07-13 02:12:02,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 02:12:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 02:12:02,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:02,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:12:02,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059432625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:02,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 02:12:02,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2022-07-13 02:12:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673199951] [2022-07-13 02:12:02,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:02,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 02:12:02,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:02,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 02:12:02,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-13 02:12:02,213 INFO L87 Difference]: Start difference. First operand 92 states and 119 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) [2022-07-13 02:12:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:02,244 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2022-07-13 02:12:02,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:12:02,245 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 28 [2022-07-13 02:12:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:02,246 INFO L225 Difference]: With dead ends: 92 [2022-07-13 02:12:02,247 INFO L226 Difference]: Without dead ends: 91 [2022-07-13 02:12:02,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 02:12:02,248 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 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 [2022-07-13 02:12:02,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 96 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-13 02:12:02,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-13 02:12:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 71 states have internal predecessors, (73), 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) [2022-07-13 02:12:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2022-07-13 02:12:02,261 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 28 [2022-07-13 02:12:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:02,261 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2022-07-13 02:12:02,261 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) [2022-07-13 02:12:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-07-13 02:12:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-13 02:12:02,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:02,262 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] [2022-07-13 02:12:02,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:02,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:02,483 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash -615693896, now seen corresponding path program 1 times [2022-07-13 02:12:02,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:02,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797690672] [2022-07-13 02:12:02,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:02,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:02,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797690672] [2022-07-13 02:12:02,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797690672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:02,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:12:02,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 02:12:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684447672] [2022-07-13 02:12:02,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:02,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 02:12:02,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:02,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 02:12:02,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 02:12:02,581 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 6 states, 4 states have (on average 4.25) 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) [2022-07-13 02:12:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:02,672 INFO L93 Difference]: Finished difference Result 110 states and 139 transitions. [2022-07-13 02:12:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 02:12:02,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.25) 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 [2022-07-13 02:12:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:02,673 INFO L225 Difference]: With dead ends: 110 [2022-07-13 02:12:02,674 INFO L226 Difference]: Without dead ends: 107 [2022-07-13 02:12:02,674 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 [2022-07-13 02:12:02,675 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:02,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 90 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:12:02,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-07-13 02:12:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2022-07-13 02:12:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 79 states have internal predecessors, (85), 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) [2022-07-13 02:12:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2022-07-13 02:12:02,687 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 29 [2022-07-13 02:12:02,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:02,687 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2022-07-13 02:12:02,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.25) 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) [2022-07-13 02:12:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2022-07-13 02:12:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-13 02:12:02,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:02,689 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:02,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 02:12:02,690 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1461802605, now seen corresponding path program 1 times [2022-07-13 02:12:02,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:02,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136387088] [2022-07-13 02:12:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:02,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:02,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136387088] [2022-07-13 02:12:02,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136387088] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:02,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737279266] [2022-07-13 02:12:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:02,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:02,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:02,756 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) [2022-07-13 02:12:02,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 02:12:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:02,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 02:12:02,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:02,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:02,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737279266] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:02,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:02,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-07-13 02:12:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797454670] [2022-07-13 02:12:02,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:02,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-13 02:12:02,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:02,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-13 02:12:02,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-13 02:12:02,911 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-07-13 02:12:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:03,197 INFO L93 Difference]: Finished difference Result 162 states and 195 transitions. [2022-07-13 02:12:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 02:12:03,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 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 34 [2022-07-13 02:12:03,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:03,199 INFO L225 Difference]: With dead ends: 162 [2022-07-13 02:12:03,199 INFO L226 Difference]: Without dead ends: 161 [2022-07-13 02:12:03,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-07-13 02:12:03,202 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 265 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:03,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 126 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:12:03,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-07-13 02:12:03,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2022-07-13 02:12:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 109 states have internal predecessors, (130), 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) [2022-07-13 02:12:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2022-07-13 02:12:03,245 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 34 [2022-07-13 02:12:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:03,246 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2022-07-13 02:12:03,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.1) internal successors, (31), 8 states have internal predecessors, (31), 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) [2022-07-13 02:12:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2022-07-13 02:12:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-13 02:12:03,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:03,255 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-07-13 02:12:03,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:03,459 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 [2022-07-13 02:12:03,460 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:03,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 770953962, now seen corresponding path program 2 times [2022-07-13 02:12:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:03,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163983164] [2022-07-13 02:12:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:03,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:03,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163983164] [2022-07-13 02:12:03,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163983164] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:03,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594945719] [2022-07-13 02:12:03,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:12:03,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:03,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:03,569 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) [2022-07-13 02:12:03,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 02:12:03,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:12:03,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:03,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 02:12:03,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:03,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:03,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594945719] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:03,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:03,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2022-07-13 02:12:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958529163] [2022-07-13 02:12:03,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:03,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-13 02:12:03,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:03,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-13 02:12:03,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-07-13 02:12:03,837 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 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) [2022-07-13 02:12:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:04,268 INFO L93 Difference]: Finished difference Result 835 states and 1189 transitions. [2022-07-13 02:12:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-13 02:12:04,268 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 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 35 [2022-07-13 02:12:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:04,273 INFO L225 Difference]: With dead ends: 835 [2022-07-13 02:12:04,273 INFO L226 Difference]: Without dead ends: 834 [2022-07-13 02:12:04,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 02:12:04,275 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 657 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:04,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 530 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:12:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-07-13 02:12:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 239. [2022-07-13 02:12:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 173 states have (on average 1.2023121387283238) internal successors, (208), 187 states have internal predecessors, (208), 36 states have call successors, (36), 16 states have call predecessors, (36), 24 states have return successors, (164), 35 states have call predecessors, (164), 35 states have call successors, (164) [2022-07-13 02:12:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 408 transitions. [2022-07-13 02:12:04,303 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 408 transitions. Word has length 35 [2022-07-13 02:12:04,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:04,303 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 408 transitions. [2022-07-13 02:12:04,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.739130434782609) internal successors, (63), 24 states have internal predecessors, (63), 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) [2022-07-13 02:12:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2022-07-13 02:12:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-13 02:12:04,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:04,305 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] [2022-07-13 02:12:04,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:04,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:04,520 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:04,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash 337499815, now seen corresponding path program 1 times [2022-07-13 02:12:04,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:04,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515347068] [2022-07-13 02:12:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-13 02:12:04,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:04,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515347068] [2022-07-13 02:12:04,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515347068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:04,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:12:04,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 02:12:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916078569] [2022-07-13 02:12:04,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:04,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 02:12:04,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:04,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 02:12:04,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 02:12:04,561 INFO L87 Difference]: Start difference. First operand 239 states and 408 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) [2022-07-13 02:12:04,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:04,616 INFO L93 Difference]: Finished difference Result 276 states and 461 transitions. [2022-07-13 02:12:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 02:12:04,617 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 [2022-07-13 02:12:04,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:04,619 INFO L225 Difference]: With dead ends: 276 [2022-07-13 02:12:04,619 INFO L226 Difference]: Without dead ends: 265 [2022-07-13 02:12:04,619 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 [2022-07-13 02:12:04,620 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:04,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 79 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-07-13 02:12:04,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2022-07-13 02:12:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.1734693877551021) internal successors, (230), 209 states have internal predecessors, (230), 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) [2022-07-13 02:12:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 434 transitions. [2022-07-13 02:12:04,647 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 434 transitions. Word has length 36 [2022-07-13 02:12:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:04,647 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 434 transitions. [2022-07-13 02:12:04,648 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) [2022-07-13 02:12:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 434 transitions. [2022-07-13 02:12:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-13 02:12:04,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:04,649 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:04,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 02:12:04,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 523742200, now seen corresponding path program 2 times [2022-07-13 02:12:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942459429] [2022-07-13 02:12:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 02:12:04,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:04,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942459429] [2022-07-13 02:12:04,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942459429] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:04,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634602147] [2022-07-13 02:12:04,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:12:04,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:04,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:04,805 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) [2022-07-13 02:12:04,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 02:12:04,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:12:04,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:04,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 02:12:04,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:04,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 02:12:05,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634602147] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:05,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:05,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 28 [2022-07-13 02:12:05,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750904720] [2022-07-13 02:12:05,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:05,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-13 02:12:05,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:05,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-13 02:12:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2022-07-13 02:12:05,107 INFO L87 Difference]: Start difference. First operand 265 states and 434 transitions. Second operand has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 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) [2022-07-13 02:12:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:06,032 INFO L93 Difference]: Finished difference Result 420 states and 584 transitions. [2022-07-13 02:12:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-07-13 02:12:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 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 49 [2022-07-13 02:12:06,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:06,034 INFO L225 Difference]: With dead ends: 420 [2022-07-13 02:12:06,034 INFO L226 Difference]: Without dead ends: 419 [2022-07-13 02:12:06,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2022-07-13 02:12:06,036 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 777 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:06,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 101 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 02:12:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-07-13 02:12:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 379. [2022-07-13 02:12:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 305 states have internal predecessors, (356), 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) [2022-07-13 02:12:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 578 transitions. [2022-07-13 02:12:06,067 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 578 transitions. Word has length 49 [2022-07-13 02:12:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:06,067 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 578 transitions. [2022-07-13 02:12:06,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 2.576923076923077) internal successors, (67), 18 states have internal predecessors, (67), 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) [2022-07-13 02:12:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2022-07-13 02:12:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-13 02:12:06,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:06,069 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] [2022-07-13 02:12:06,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:06,290 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 [2022-07-13 02:12:06,291 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash 335190125, now seen corresponding path program 1 times [2022-07-13 02:12:06,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:06,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670922366] [2022-07-13 02:12:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:06,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-13 02:12:06,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:06,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670922366] [2022-07-13 02:12:06,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670922366] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:06,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846952567] [2022-07-13 02:12:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:06,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:06,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:06,376 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) [2022-07-13 02:12:06,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 02:12:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:06,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 02:12:06,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-13 02:12:06,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 02:12:06,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846952567] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:06,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:06,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 13] total 24 [2022-07-13 02:12:06,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373215411] [2022-07-13 02:12:06,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:06,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-13 02:12:06,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:06,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-13 02:12:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2022-07-13 02:12:06,857 INFO L87 Difference]: Start difference. First operand 379 states and 578 transitions. Second operand has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-07-13 02:12:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:07,384 INFO L93 Difference]: Finished difference Result 751 states and 1306 transitions. [2022-07-13 02:12:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-13 02:12:07,384 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) Word has length 48 [2022-07-13 02:12:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:07,388 INFO L225 Difference]: With dead ends: 751 [2022-07-13 02:12:07,388 INFO L226 Difference]: Without dead ends: 604 [2022-07-13 02:12:07,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=1335, Unknown=0, NotChecked=0, Total=1560 [2022-07-13 02:12:07,390 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 171 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:07,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 127 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:12:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-07-13 02:12:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 569. [2022-07-13 02:12:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 434 states have (on average 1.1751152073732718) internal successors, (510), 445 states have internal predecessors, (510), 70 states have call successors, (70), 33 states have call predecessors, (70), 59 states have return successors, (398), 90 states have call predecessors, (398), 58 states have call successors, (398) [2022-07-13 02:12:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 978 transitions. [2022-07-13 02:12:07,435 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 978 transitions. Word has length 48 [2022-07-13 02:12:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:07,436 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 978 transitions. [2022-07-13 02:12:07,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.5454545454545454) internal successors, (78), 19 states have internal predecessors, (78), 11 states have call successors, (16), 4 states have call predecessors, (16), 8 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-07-13 02:12:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 978 transitions. [2022-07-13 02:12:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-13 02:12:07,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:07,439 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:07,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:07,663 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 [2022-07-13 02:12:07,663 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:07,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:07,664 INFO L85 PathProgramCache]: Analyzing trace with hash -206012584, now seen corresponding path program 3 times [2022-07-13 02:12:07,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:07,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612088086] [2022-07-13 02:12:07,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 2 proven. 271 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 02:12:08,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:08,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612088086] [2022-07-13 02:12:08,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612088086] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:08,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684228056] [2022-07-13 02:12:08,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 02:12:08,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:08,013 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) [2022-07-13 02:12:08,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 02:12:08,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-13 02:12:08,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:08,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-13 02:12:08,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-07-13 02:12:08,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-07-13 02:12:08,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684228056] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:08,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:08,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8, 9] total 36 [2022-07-13 02:12:08,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517235825] [2022-07-13 02:12:08,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:08,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-07-13 02:12:08,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:08,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-07-13 02:12:08,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2022-07-13 02:12:08,310 INFO L87 Difference]: Start difference. First operand 569 states and 978 transitions. Second operand has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 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) [2022-07-13 02:12:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:09,442 INFO L93 Difference]: Finished difference Result 1214 states and 2128 transitions. [2022-07-13 02:12:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-07-13 02:12:09,443 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 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 79 [2022-07-13 02:12:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:09,446 INFO L225 Difference]: With dead ends: 1214 [2022-07-13 02:12:09,446 INFO L226 Difference]: Without dead ends: 657 [2022-07-13 02:12:09,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1109, Invalid=4591, Unknown=0, NotChecked=0, Total=5700 [2022-07-13 02:12:09,453 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 875 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:09,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 100 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 02:12:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2022-07-13 02:12:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 612. [2022-07-13 02:12:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 474 states have (on average 1.1708860759493671) internal successors, (555), 475 states have internal predecessors, (555), 71 states have call successors, (71), 44 states have call predecessors, (71), 61 states have return successors, (303), 92 states have call predecessors, (303), 58 states have call successors, (303) [2022-07-13 02:12:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 929 transitions. [2022-07-13 02:12:09,491 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 929 transitions. Word has length 79 [2022-07-13 02:12:09,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:09,492 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 929 transitions. [2022-07-13 02:12:09,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 2.4411764705882355) internal successors, (83), 21 states have internal predecessors, (83), 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) [2022-07-13 02:12:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 929 transitions. [2022-07-13 02:12:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-13 02:12:09,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:09,494 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2022-07-13 02:12:09,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:09,707 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 [2022-07-13 02:12:09,707 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1085664118, now seen corresponding path program 3 times [2022-07-13 02:12:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:09,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885706000] [2022-07-13 02:12:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:09,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885706000] [2022-07-13 02:12:09,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885706000] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754726758] [2022-07-13 02:12:09,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 02:12:09,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:09,976 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) [2022-07-13 02:12:10,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 02:12:10,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-07-13 02:12:10,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:10,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-13 02:12:10,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:10,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:10,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754726758] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:10,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:10,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2022-07-13 02:12:10,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348477929] [2022-07-13 02:12:10,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:10,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-07-13 02:12:10,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-07-13 02:12:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2022-07-13 02:12:10,682 INFO L87 Difference]: Start difference. First operand 612 states and 929 transitions. Second operand has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 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) [2022-07-13 02:12:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:12,439 INFO L93 Difference]: Finished difference Result 6545 states and 9216 transitions. [2022-07-13 02:12:12,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-07-13 02:12:12,440 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 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 77 [2022-07-13 02:12:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:12,469 INFO L225 Difference]: With dead ends: 6545 [2022-07-13 02:12:12,469 INFO L226 Difference]: Without dead ends: 6544 [2022-07-13 02:12:12,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2022-07-13 02:12:12,474 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 1594 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:12,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 1012 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 02:12:12,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2022-07-13 02:12:12,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 936. [2022-07-13 02:12:12,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 702 states have (on average 1.1324786324786325) internal successors, (795), 703 states have internal predecessors, (795), 131 states have call successors, (131), 68 states have call predecessors, (131), 97 states have return successors, (1635), 164 states have call predecessors, (1635), 118 states have call successors, (1635) [2022-07-13 02:12:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 2561 transitions. [2022-07-13 02:12:12,631 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 2561 transitions. Word has length 77 [2022-07-13 02:12:12,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:12,632 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 2561 transitions. [2022-07-13 02:12:12,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.872340425531915) internal successors, (135), 48 states have internal predecessors, (135), 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) [2022-07-13 02:12:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 2561 transitions. [2022-07-13 02:12:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-13 02:12:12,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:12,636 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:12,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:12,859 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 [2022-07-13 02:12:12,859 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:12,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:12,860 INFO L85 PathProgramCache]: Analyzing trace with hash -641003795, now seen corresponding path program 4 times [2022-07-13 02:12:12,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:12,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148080214] [2022-07-13 02:12:12,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:12,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 15 proven. 365 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-13 02:12:13,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:13,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148080214] [2022-07-13 02:12:13,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148080214] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:13,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990602848] [2022-07-13 02:12:13,309 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 02:12:13,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:13,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:13,310 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) [2022-07-13 02:12:13,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-13 02:12:13,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 02:12:13,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:13,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-13 02:12:13,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 53 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-07-13 02:12:13,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 82 proven. 61 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-07-13 02:12:13,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990602848] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:13,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:13,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 11, 13] total 44 [2022-07-13 02:12:13,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529349658] [2022-07-13 02:12:13,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:13,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-07-13 02:12:13,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-07-13 02:12:13,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1606, Unknown=0, NotChecked=0, Total=1892 [2022-07-13 02:12:13,825 INFO L87 Difference]: Start difference. First operand 936 states and 2561 transitions. Second operand has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2022-07-13 02:12:14,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:14,499 INFO L93 Difference]: Finished difference Result 2071 states and 5966 transitions. [2022-07-13 02:12:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-13 02:12:14,500 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 116 [2022-07-13 02:12:14,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:14,510 INFO L225 Difference]: With dead ends: 2071 [2022-07-13 02:12:14,510 INFO L226 Difference]: Without dead ends: 1157 [2022-07-13 02:12:14,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 234 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=608, Invalid=3298, Unknown=0, NotChecked=0, Total=3906 [2022-07-13 02:12:14,524 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 241 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:14,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 191 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:12:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-13 02:12:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1025. [2022-07-13 02:12:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 790 states have (on average 1.1151898734177215) internal successors, (881), 772 states have internal predecessors, (881), 124 states have call successors, (124), 94 states have call predecessors, (124), 106 states have return successors, (507), 158 states have call predecessors, (507), 123 states have call successors, (507) [2022-07-13 02:12:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1512 transitions. [2022-07-13 02:12:14,615 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1512 transitions. Word has length 116 [2022-07-13 02:12:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:14,616 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1512 transitions. [2022-07-13 02:12:14,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 27 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2022-07-13 02:12:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1512 transitions. [2022-07-13 02:12:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-13 02:12:14,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:14,621 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] [2022-07-13 02:12:14,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:14,844 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 [2022-07-13 02:12:14,844 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:14,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1702605997, now seen corresponding path program 1 times [2022-07-13 02:12:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:14,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116959341] [2022-07-13 02:12:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:12:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-13 02:12:14,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:14,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116959341] [2022-07-13 02:12:14,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116959341] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:14,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799281612] [2022-07-13 02:12:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:14,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:14,975 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) [2022-07-13 02:12:14,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-13 02:12:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 02:12:15,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-13 02:12:15,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 02:12:15,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799281612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:12:15,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 02:12:15,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-07-13 02:12:15,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321701139] [2022-07-13 02:12:15,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:12:15,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 02:12:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:15,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 02:12:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 02:12:15,114 INFO L87 Difference]: Start difference. First operand 1025 states and 1512 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-13 02:12:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:15,176 INFO L93 Difference]: Finished difference Result 1025 states and 1512 transitions. [2022-07-13 02:12:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 02:12:15,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 145 [2022-07-13 02:12:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:15,183 INFO L225 Difference]: With dead ends: 1025 [2022-07-13 02:12:15,183 INFO L226 Difference]: Without dead ends: 1009 [2022-07-13 02:12:15,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 02:12:15,184 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:15,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 116 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 02:12:15,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2022-07-13 02:12:15,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 1009. [2022-07-13 02:12:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 778 states have (on average 1.069408740359897) internal successors, (832), 758 states have internal predecessors, (832), 124 states have call successors, (124), 94 states have call predecessors, (124), 104 states have return successors, (505), 156 states have call predecessors, (505), 123 states have call successors, (505) [2022-07-13 02:12:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1461 transitions. [2022-07-13 02:12:15,241 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1461 transitions. Word has length 145 [2022-07-13 02:12:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:15,241 INFO L495 AbstractCegarLoop]: Abstraction has 1009 states and 1461 transitions. [2022-07-13 02:12:15,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-13 02:12:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1461 transitions. [2022-07-13 02:12:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-13 02:12:15,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:15,245 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, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:15,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-07-13 02:12:15,467 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 [2022-07-13 02:12:15,467 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:15,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:15,468 INFO L85 PathProgramCache]: Analyzing trace with hash 852091527, now seen corresponding path program 2 times [2022-07-13 02:12:15,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:15,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312898182] [2022-07-13 02:12:15,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:15,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:12:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2022-07-13 02:12:15,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:15,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312898182] [2022-07-13 02:12:15,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312898182] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:15,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304186002] [2022-07-13 02:12:15,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 02:12:15,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:15,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:15,628 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) [2022-07-13 02:12:15,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-13 02:12:15,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 02:12:15,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:15,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 02:12:15,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 226 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-13 02:12:15,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 50 proven. 253 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-07-13 02:12:16,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304186002] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:16,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:16,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 19] total 28 [2022-07-13 02:12:16,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576826379] [2022-07-13 02:12:16,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:16,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-13 02:12:16,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-13 02:12:16,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2022-07-13 02:12:16,717 INFO L87 Difference]: Start difference. First operand 1009 states and 1461 transitions. Second operand has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-07-13 02:12:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:17,284 INFO L93 Difference]: Finished difference Result 1494 states and 2269 transitions. [2022-07-13 02:12:17,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-13 02:12:17,284 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) Word has length 156 [2022-07-13 02:12:17,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:17,291 INFO L225 Difference]: With dead ends: 1494 [2022-07-13 02:12:17,291 INFO L226 Difference]: Without dead ends: 1163 [2022-07-13 02:12:17,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2022-07-13 02:12:17,294 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 264 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:17,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 123 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 02:12:17,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-07-13 02:12:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1126. [2022-07-13 02:12:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 866 states have (on average 1.0612009237875288) internal successors, (919), 845 states have internal predecessors, (919), 138 states have call successors, (138), 94 states have call predecessors, (138), 119 states have return successors, (574), 186 states have call predecessors, (574), 127 states have call successors, (574) [2022-07-13 02:12:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1631 transitions. [2022-07-13 02:12:17,355 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1631 transitions. Word has length 156 [2022-07-13 02:12:17,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:17,355 INFO L495 AbstractCegarLoop]: Abstraction has 1126 states and 1631 transitions. [2022-07-13 02:12:17,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 25 states have internal predecessors, (105), 13 states have call successors, (20), 3 states have call predecessors, (20), 11 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-07-13 02:12:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1631 transitions. [2022-07-13 02:12:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-13 02:12:17,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:17,360 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2022-07-13 02:12:17,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:17,583 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 [2022-07-13 02:12:17,583 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash 17596362, now seen corresponding path program 4 times [2022-07-13 02:12:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:17,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938782367] [2022-07-13 02:12:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:17,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:18,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938782367] [2022-07-13 02:12:18,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938782367] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:18,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895569920] [2022-07-13 02:12:18,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 02:12:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:18,336 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) [2022-07-13 02:12:18,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-13 02:12:18,466 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 02:12:18,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:18,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 93 conjunts are in the unsatisfiable core [2022-07-13 02:12:18,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:18,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:20,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895569920] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:20,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:20,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2022-07-13 02:12:20,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346740671] [2022-07-13 02:12:20,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:20,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-07-13 02:12:20,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-07-13 02:12:20,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2022-07-13 02:12:20,284 INFO L87 Difference]: Start difference. First operand 1126 states and 1631 transitions. Second operand has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 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) [2022-07-13 02:12:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:24,202 INFO L93 Difference]: Finished difference Result 7465 states and 10315 transitions. [2022-07-13 02:12:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-07-13 02:12:24,203 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 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 161 [2022-07-13 02:12:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:24,236 INFO L225 Difference]: With dead ends: 7465 [2022-07-13 02:12:24,236 INFO L226 Difference]: Without dead ends: 7464 [2022-07-13 02:12:24,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2022-07-13 02:12:24,245 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 2622 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 2110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 4359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2110 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:24,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 1901 Invalid, 4359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2110 Valid, 2249 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-13 02:12:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2022-07-13 02:12:24,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 2038. [2022-07-13 02:12:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1538 states have (on average 1.0500650195058518) internal successors, (1615), 1493 states have internal predecessors, (1615), 282 states have call successors, (282), 190 states have call predecessors, (282), 215 states have return successors, (2416), 354 states have call predecessors, (2416), 259 states have call successors, (2416) [2022-07-13 02:12:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 4313 transitions. [2022-07-13 02:12:24,452 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 4313 transitions. Word has length 161 [2022-07-13 02:12:24,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:24,453 INFO L495 AbstractCegarLoop]: Abstraction has 2038 states and 4313 transitions. [2022-07-13 02:12:24,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.9368421052631577) internal successors, (279), 96 states have internal predecessors, (279), 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) [2022-07-13 02:12:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 4313 transitions. [2022-07-13 02:12:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-13 02:12:24,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:24,462 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:24,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-07-13 02:12:24,683 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 [2022-07-13 02:12:24,683 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:24,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:24,684 INFO L85 PathProgramCache]: Analyzing trace with hash -498290227, now seen corresponding path program 3 times [2022-07-13 02:12:24,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:24,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066231994] [2022-07-13 02:12:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:12:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-13 02:12:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2022-07-13 02:12:25,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:25,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066231994] [2022-07-13 02:12:25,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066231994] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:25,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354819796] [2022-07-13 02:12:25,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 02:12:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:25,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:25,064 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) [2022-07-13 02:12:25,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-13 02:12:25,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-13 02:12:25,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:25,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 02:12:25,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2022-07-13 02:12:25,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2022-07-13 02:12:25,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354819796] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:25,831 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:25,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2022-07-13 02:12:25,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165568116] [2022-07-13 02:12:25,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:25,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-13 02:12:25,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:25,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-13 02:12:25,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-07-13 02:12:25,834 INFO L87 Difference]: Start difference. First operand 2038 states and 4313 transitions. Second operand has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-13 02:12:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:26,128 INFO L93 Difference]: Finished difference Result 2420 states and 4803 transitions. [2022-07-13 02:12:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-13 02:12:26,129 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) Word has length 296 [2022-07-13 02:12:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:26,146 INFO L225 Difference]: With dead ends: 2420 [2022-07-13 02:12:26,146 INFO L226 Difference]: Without dead ends: 2213 [2022-07-13 02:12:26,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 647 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=289, Invalid=1043, Unknown=0, NotChecked=0, Total=1332 [2022-07-13 02:12:26,151 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 79 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:26,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 155 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 02:12:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-07-13 02:12:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-07-13 02:12:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1689 states have (on average 1.0355239786856127) internal successors, (1749), 1638 states have internal predecessors, (1749), 282 states have call successors, (282), 190 states have call predecessors, (282), 240 states have return successors, (2446), 384 states have call predecessors, (2446), 259 states have call successors, (2446) [2022-07-13 02:12:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4477 transitions. [2022-07-13 02:12:26,329 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4477 transitions. Word has length 296 [2022-07-13 02:12:26,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:26,331 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 4477 transitions. [2022-07-13 02:12:26,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 1 states have call successors, (8), 2 states have call predecessors, (8), 10 states have return successors, (12), 10 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-13 02:12:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4477 transitions. [2022-07-13 02:12:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-13 02:12:26,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:26,346 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:12:26,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:26,567 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 [2022-07-13 02:12:26,568 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:26,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash -989942841, now seen corresponding path program 4 times [2022-07-13 02:12:26,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:26,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204770601] [2022-07-13 02:12:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:12:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:12:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:12:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:12:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:12:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:12:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-13 02:12:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:12:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 2898 trivial. 0 not checked. [2022-07-13 02:12:27,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:27,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204770601] [2022-07-13 02:12:27,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204770601] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:27,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97245513] [2022-07-13 02:12:27,057 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 02:12:27,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:27,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:27,059 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) [2022-07-13 02:12:27,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-13 02:12:27,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 02:12:27,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:27,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-13 02:12:27,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 723 refuted. 0 times theorem prover too weak. 2076 trivial. 0 not checked. [2022-07-13 02:12:27,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 327 proven. 883 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked. [2022-07-13 02:12:30,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97245513] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:30,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:30,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 33] total 58 [2022-07-13 02:12:30,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793948294] [2022-07-13 02:12:30,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:30,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-07-13 02:12:30,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:30,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-07-13 02:12:30,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=2987, Unknown=0, NotChecked=0, Total=3306 [2022-07-13 02:12:30,708 INFO L87 Difference]: Start difference. First operand 2213 states and 4477 transitions. Second operand has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) [2022-07-13 02:12:32,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:12:32,652 INFO L93 Difference]: Finished difference Result 3710 states and 8533 transitions. [2022-07-13 02:12:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-07-13 02:12:32,653 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) Word has length 356 [2022-07-13 02:12:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:12:32,682 INFO L225 Difference]: With dead ends: 3710 [2022-07-13 02:12:32,683 INFO L226 Difference]: Without dead ends: 2647 [2022-07-13 02:12:32,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3412 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1690, Invalid=10966, Unknown=0, NotChecked=0, Total=12656 [2022-07-13 02:12:32,691 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1295 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 02:12:32,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 223 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 02:12:32,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2022-07-13 02:12:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2462. [2022-07-13 02:12:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2462 states, 1846 states have (on average 1.0319609967497292) internal successors, (1905), 1794 states have internal predecessors, (1905), 332 states have call successors, (332), 190 states have call predecessors, (332), 282 states have return successors, (4192), 477 states have call predecessors, (4192), 309 states have call successors, (4192) [2022-07-13 02:12:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 6429 transitions. [2022-07-13 02:12:32,921 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 6429 transitions. Word has length 356 [2022-07-13 02:12:32,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:12:32,921 INFO L495 AbstractCegarLoop]: Abstraction has 2462 states and 6429 transitions. [2022-07-13 02:12:32,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 56 states have (on average 3.875) internal successors, (217), 53 states have internal predecessors, (217), 24 states have call successors, (31), 4 states have call predecessors, (31), 25 states have return successors, (45), 26 states have call predecessors, (45), 22 states have call successors, (45) [2022-07-13 02:12:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 6429 transitions. [2022-07-13 02:12:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-13 02:12:32,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:12:32,956 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2022-07-13 02:12:32,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-13 02:12:33,171 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 [2022-07-13 02:12:33,171 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:12:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:12:33,172 INFO L85 PathProgramCache]: Analyzing trace with hash 511768138, now seen corresponding path program 5 times [2022-07-13 02:12:33,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:12:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893824087] [2022-07-13 02:12:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:12:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:12:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:12:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:35,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:12:35,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893824087] [2022-07-13 02:12:35,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893824087] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:12:35,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881313687] [2022-07-13 02:12:35,644 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-13 02:12:35,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:12:35,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:12:35,645 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) [2022-07-13 02:12:35,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-13 02:12:36,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-07-13 02:12:36,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:12:36,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 189 conjunts are in the unsatisfiable core [2022-07-13 02:12:36,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:12:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:36,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:12:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:12:42,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881313687] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:12:42,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:12:42,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2022-07-13 02:12:42,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801599622] [2022-07-13 02:12:42,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:12:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-07-13 02:12:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:12:42,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-07-13 02:12:42,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2022-07-13 02:12:42,340 INFO L87 Difference]: Start difference. First operand 2462 states and 6429 transitions. Second operand has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 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) [2022-07-13 02:13:01,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:13:01,625 INFO L93 Difference]: Finished difference Result 13297 states and 37695 transitions. [2022-07-13 02:13:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-07-13 02:13:01,628 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 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 329 [2022-07-13 02:13:01,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:13:01,816 INFO L225 Difference]: With dead ends: 13297 [2022-07-13 02:13:01,816 INFO L226 Difference]: Without dead ends: 13296 [2022-07-13 02:13:01,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2022-07-13 02:13:01,837 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 7612 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 8274 mSolverCounterSat, 12875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 3611 SdHoareTripleChecker+Invalid, 21149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12875 IncrementalHoareTripleChecker+Valid, 8274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-13 02:13:01,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 3611 Invalid, 21149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12875 Valid, 8274 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-13 02:13:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13296 states. [2022-07-13 02:13:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13296 to 4766. [2022-07-13 02:13:02,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4766 states, 3478 states have (on average 1.030764807360552) internal successors, (3585), 3378 states have internal predecessors, (3585), 716 states have call successors, (716), 382 states have call predecessors, (716), 570 states have return successors, (24416), 1005 states have call predecessors, (24416), 669 states have call successors, (24416) [2022-07-13 02:13:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4766 states to 4766 states and 28717 transitions. [2022-07-13 02:13:02,757 INFO L78 Accepts]: Start accepts. Automaton has 4766 states and 28717 transitions. Word has length 329 [2022-07-13 02:13:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:13:02,758 INFO L495 AbstractCegarLoop]: Abstraction has 4766 states and 28717 transitions. [2022-07-13 02:13:02,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.968586387434555) internal successors, (567), 192 states have internal predecessors, (567), 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) [2022-07-13 02:13:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 28717 transitions. [2022-07-13 02:13:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2022-07-13 02:13:02,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:13:02,960 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 02:13:02,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-07-13 02:13:03,184 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 [2022-07-13 02:13:03,184 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:13:03,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:13:03,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1245033357, now seen corresponding path program 5 times [2022-07-13 02:13:03,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:13:03,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810263970] [2022-07-13 02:13:03,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:13:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:13:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 02:13:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:13:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-13 02:13:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:13:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-13 02:13:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:13:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-13 02:13:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 02:13:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 02:13:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 02:13:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 02:13:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 02:13:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2022-07-13 02:13:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-13 02:13:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2022-07-13 02:13:05,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:13:05,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810263970] [2022-07-13 02:13:05,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810263970] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:13:05,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239990213] [2022-07-13 02:13:05,413 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-13 02:13:05,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:13:05,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:13:05,414 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) [2022-07-13 02:13:05,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-13 02:13:06,814 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 89 check-sat command(s) [2022-07-13 02:13:06,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:13:06,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 3853 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 02:13:06,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:13:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2022-07-13 02:13:07,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 02:13:11,352 INFO L134 CoverageAnalysis]: Checked inductivity of 48161 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 47873 trivial. 0 not checked. [2022-07-13 02:13:11,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239990213] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 02:13:11,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 02:13:11,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 44 [2022-07-13 02:13:11,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160710358] [2022-07-13 02:13:11,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 02:13:11,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-07-13 02:13:11,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:13:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-07-13 02:13:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2022-07-13 02:13:11,357 INFO L87 Difference]: Start difference. First operand 4766 states and 28717 transitions. Second operand has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-13 02:13:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:13:12,135 INFO L93 Difference]: Finished difference Result 5636 states and 29718 transitions. [2022-07-13 02:13:12,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-07-13 02:13:12,135 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) Word has length 1136 [2022-07-13 02:13:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:13:12,306 INFO L225 Difference]: With dead ends: 5636 [2022-07-13 02:13:12,306 INFO L226 Difference]: Without dead ends: 4848 [2022-07-13 02:13:12,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2605 GetRequests, 2513 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2948 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1429, Invalid=5711, Unknown=0, NotChecked=0, Total=7140 [2022-07-13 02:13:12,326 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 175 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:13:12,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 215 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:13:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4848 states. [2022-07-13 02:13:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4848 to 4848. [2022-07-13 02:13:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4848 states, 3549 states have (on average 1.0298675683291068) internal successors, (3655), 3448 states have internal predecessors, (3655), 716 states have call successors, (716), 382 states have call predecessors, (716), 581 states have return successors, (24428), 1017 states have call predecessors, (24428), 669 states have call successors, (24428) [2022-07-13 02:13:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 28799 transitions. [2022-07-13 02:13:13,361 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 28799 transitions. Word has length 1136 [2022-07-13 02:13:13,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:13:13,364 INFO L495 AbstractCegarLoop]: Abstraction has 4848 states and 28799 transitions. [2022-07-13 02:13:13,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.2045454545454546) internal successors, (141), 44 states have internal predecessors, (141), 1 states have call successors, (8), 2 states have call predecessors, (8), 22 states have return successors, (24), 22 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-13 02:13:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 28799 transitions. [2022-07-13 02:13:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2022-07-13 02:13:13,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:13:13,573 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2022-07-13 02:13:13,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-13 02:13:13,787 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 [2022-07-13 02:13:13,787 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-07-13 02:13:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:13:13,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1444388022, now seen corresponding path program 6 times [2022-07-13 02:13:13,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:13:13,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783901740] [2022-07-13 02:13:13,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:13:13,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:13:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:13:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:13:23,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:13:23,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783901740] [2022-07-13 02:13:23,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783901740] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 02:13:23,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248132099] [2022-07-13 02:13:23,063 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-13 02:13:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 02:13:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:13:23,068 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) [2022-07-13 02:13:23,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-13 02:13:24,028 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2022-07-13 02:13:24,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 02:13:24,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 161 conjunts are in the unsatisfiable core [2022-07-13 02:13:24,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 02:13:52,053 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-13 02:13:52,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-13 02:13:52,259 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 [2022-07-13 02:13:52,260 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:682) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:552) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:227) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:141) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:180) 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:269) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:255) 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) [2022-07-13 02:13:52,262 INFO L158 Benchmark]: Toolchain (without parser) took 113359.17ms. Allocated memory was 86.0MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 47.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 551.0MB. Max. memory is 16.1GB. [2022-07-13 02:13:52,263 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 02:13:52,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.37ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 90.4MB in the end (delta: -42.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-07-13 02:13:52,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.59ms. Allocated memory is still 111.1MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 02:13:52,263 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 111.1MB. Free memory was 88.3MB in the beginning and 87.5MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 02:13:52,264 INFO L158 Benchmark]: RCFGBuilder took 328.10ms. Allocated memory is still 111.1MB. Free memory was 87.5MB in the beginning and 76.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 02:13:52,264 INFO L158 Benchmark]: TraceAbstraction took 112756.89ms. Allocated memory was 111.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 75.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 551.2MB. Max. memory is 16.1GB. [2022-07-13 02:13:52,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.37ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 90.4MB in the end (delta: -42.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.59ms. Allocated memory is still 111.1MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 111.1MB. Free memory was 88.3MB in the beginning and 87.5MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.10ms. Allocated memory is still 111.1MB. Free memory was 87.5MB in the beginning and 76.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 112756.89ms. Allocated memory was 111.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 75.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 551.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:682) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-13 02:13:52,290 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 No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit