./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/Parts.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:18:39,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:18:39,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:18:39,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:18:39,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:18:39,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:18:39,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:18:39,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:18:39,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:18:39,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:18:39,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:18:39,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:18:39,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:18:39,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:18:39,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:18:39,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:18:39,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:18:39,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:18:39,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:18:39,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:18:39,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:18:39,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:18:39,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:18:39,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:18:39,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:18:39,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:18:39,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:18:39,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:18:39,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:18:39,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:18:39,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:18:39,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:18:39,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:18:39,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:18:39,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:18:39,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:18:39,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:18:39,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:18:39,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:18:39,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:18:39,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:18:39,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-16 04:18:39,350 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:18:39,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:18:39,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:18:39,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:18:39,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:18:39,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:18:39,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:18:39,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:18:39,352 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:18:39,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:18:39,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:18:39,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:18:39,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:18:39,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:18:39,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:18:39,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:18:39,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:18:39,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:18:39,354 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:18:39,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:18:39,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:18:39,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:18:39,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:18:39,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:18:39,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:18:39,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:18:39,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:18:39,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:18:39,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:18:39,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:18:39,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:18:39,357 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:18:39,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:18:39,357 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:18:39,358 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2023-02-16 04:18:39,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:18:39,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:18:39,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:18:39,611 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:18:39,612 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:18:39,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2023-02-16 04:18:40,753 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:18:40,932 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:18:40,932 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2023-02-16 04:18:40,938 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bddc05a8/82c0b492e8de491fa63fdddf74c179b9/FLAG3865a219d [2023-02-16 04:18:40,956 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bddc05a8/82c0b492e8de491fa63fdddf74c179b9 [2023-02-16 04:18:40,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:18:40,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:18:40,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:18:40,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:18:40,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:18:40,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:18:40" (1/1) ... [2023-02-16 04:18:40,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f570802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:40, skipping insertion in model container [2023-02-16 04:18:40,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:18:40" (1/1) ... [2023-02-16 04:18:40,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:18:40,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:18:41,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:18:41,101 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:18:41,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:18:41,123 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:18:41,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41 WrapperNode [2023-02-16 04:18:41,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:18:41,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:18:41,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:18:41,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:18:41,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,144 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-02-16 04:18:41,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:18:41,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:18:41,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:18:41,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:18:41,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:18:41,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:18:41,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:18:41,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:18:41,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (1/1) ... [2023-02-16 04:18:41,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:18:41,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:41,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-16 04:18:41,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-16 04:18:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2023-02-16 04:18:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2023-02-16 04:18:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:18:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:18:41,266 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:18:41,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:18:41,387 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:18:41,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:18:41,393 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:18:41,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:18:41 BoogieIcfgContainer [2023-02-16 04:18:41,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:18:41,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:18:41,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:18:41,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:18:41,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:18:40" (1/3) ... [2023-02-16 04:18:41,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e0b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:18:41, skipping insertion in model container [2023-02-16 04:18:41,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:18:41" (2/3) ... [2023-02-16 04:18:41,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e0b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:18:41, skipping insertion in model container [2023-02-16 04:18:41,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:18:41" (3/3) ... [2023-02-16 04:18:41,402 INFO L112 eAbstractionObserver]: Analyzing ICFG Parts.c [2023-02-16 04:18:41,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:18:41,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-16 04:18:41,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:18:41,482 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c01d519, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:18:41,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-16 04:18:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-16 04:18:41,490 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:41,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:41,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:41,496 INFO L85 PathProgramCache]: Analyzing trace with hash -602953989, now seen corresponding path program 1 times [2023-02-16 04:18:41,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:41,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973638252] [2023-02-16 04:18:41,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:41,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:41,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:41,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973638252] [2023-02-16 04:18:41,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973638252] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:41,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:41,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:18:41,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708025021] [2023-02-16 04:18:41,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:41,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-16 04:18:41,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:41,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-16 04:18:41,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 04:18:41,727 INFO L87 Difference]: Start difference. First operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:41,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:41,768 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2023-02-16 04:18:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-16 04:18:41,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-16 04:18:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:41,776 INFO L225 Difference]: With dead ends: 86 [2023-02-16 04:18:41,776 INFO L226 Difference]: Without dead ends: 42 [2023-02-16 04:18:41,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 04:18:41,782 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:41,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-16 04:18:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-02-16 04:18:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-02-16 04:18:41,822 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 8 [2023-02-16 04:18:41,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:41,822 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-02-16 04:18:41,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-02-16 04:18:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-16 04:18:41,825 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:41,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:41,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:18:41,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:41,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash -602965521, now seen corresponding path program 1 times [2023-02-16 04:18:41,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:41,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401298589] [2023-02-16 04:18:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:41,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:41,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401298589] [2023-02-16 04:18:41,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401298589] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:41,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:41,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:18:41,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597612603] [2023-02-16 04:18:41,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:41,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:18:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:41,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:18:41,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:18:41,908 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:41,976 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2023-02-16 04:18:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:18:41,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-16 04:18:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:41,980 INFO L225 Difference]: With dead ends: 81 [2023-02-16 04:18:41,981 INFO L226 Difference]: Without dead ends: 43 [2023-02-16 04:18:41,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:41,983 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 21 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:41,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-16 04:18:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-02-16 04:18:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2023-02-16 04:18:41,997 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 8 [2023-02-16 04:18:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:41,998 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2023-02-16 04:18:41,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-02-16 04:18:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-16 04:18:41,999 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:41,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:41,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:18:42,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1944725597, now seen corresponding path program 1 times [2023-02-16 04:18:42,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725701830] [2023-02-16 04:18:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:42,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725701830] [2023-02-16 04:18:42,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725701830] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:18:42,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337900543] [2023-02-16 04:18:42,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:18:42,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:18:42,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:18:42,065 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:42,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,097 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2023-02-16 04:18:42,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:18:42,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2023-02-16 04:18:42,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,100 INFO L225 Difference]: With dead ends: 45 [2023-02-16 04:18:42,100 INFO L226 Difference]: Without dead ends: 44 [2023-02-16 04:18:42,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:18:42,102 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-02-16 04:18:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2023-02-16 04:18:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-02-16 04:18:42,120 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 12 [2023-02-16 04:18:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,121 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-02-16 04:18:42,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-02-16 04:18:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-16 04:18:42,124 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:18:42,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,126 INFO L85 PathProgramCache]: Analyzing trace with hash 156951411, now seen corresponding path program 1 times [2023-02-16 04:18:42,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684245689] [2023-02-16 04:18:42,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:42,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684245689] [2023-02-16 04:18:42,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684245689] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-16 04:18:42,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693105772] [2023-02-16 04:18:42,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:18:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:18:42,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:42,225 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:42,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,285 INFO L93 Difference]: Finished difference Result 101 states and 121 transitions. [2023-02-16 04:18:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:18:42,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 13 [2023-02-16 04:18:42,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,287 INFO L225 Difference]: With dead ends: 101 [2023-02-16 04:18:42,287 INFO L226 Difference]: Without dead ends: 63 [2023-02-16 04:18:42,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:18:42,289 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 147 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-16 04:18:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2023-02-16 04:18:42,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-16 04:18:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-02-16 04:18:42,299 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 13 [2023-02-16 04:18:42,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,299 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-02-16 04:18:42,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:18:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-02-16 04:18:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-16 04:18:42,301 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:18:42,301 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 565418330, now seen corresponding path program 1 times [2023-02-16 04:18:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366990165] [2023-02-16 04:18:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:42,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366990165] [2023-02-16 04:18:42,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366990165] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:18:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059226686] [2023-02-16 04:18:42,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:18:42,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:18:42,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:18:42,351 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,374 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2023-02-16 04:18:42,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:18:42,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-02-16 04:18:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,375 INFO L225 Difference]: With dead ends: 54 [2023-02-16 04:18:42,375 INFO L226 Difference]: Without dead ends: 53 [2023-02-16 04:18:42,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:42,377 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 113 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-16 04:18:42,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-02-16 04:18:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.368421052631579) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-16 04:18:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2023-02-16 04:18:42,401 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 14 [2023-02-16 04:18:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,402 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-02-16 04:18:42,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-02-16 04:18:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:18:42,402 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-16 04:18:42,403 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash 348099144, now seen corresponding path program 1 times [2023-02-16 04:18:42,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787658429] [2023-02-16 04:18:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:42,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787658429] [2023-02-16 04:18:42,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787658429] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:18:42,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410912120] [2023-02-16 04:18:42,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:18:42,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:18:42,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:18:42,491 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,520 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2023-02-16 04:18:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:18:42,520 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-02-16 04:18:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,521 INFO L225 Difference]: With dead ends: 64 [2023-02-16 04:18:42,522 INFO L226 Difference]: Without dead ends: 63 [2023-02-16 04:18:42,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:42,523 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 125 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-02-16 04:18:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-02-16 04:18:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 53 states have internal predecessors, (60), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:18:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2023-02-16 04:18:42,533 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 15 [2023-02-16 04:18:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,534 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2023-02-16 04:18:42,534 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-02-16 04:18:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-16 04:18:42,535 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:18:42,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2124333102, now seen corresponding path program 1 times [2023-02-16 04:18:42,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467493604] [2023-02-16 04:18:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:18:42,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467493604] [2023-02-16 04:18:42,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467493604] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:18:42,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460532197] [2023-02-16 04:18:42,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:18:42,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:18:42,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:18:42,593 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,613 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2023-02-16 04:18:42,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:18:42,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-02-16 04:18:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,615 INFO L225 Difference]: With dead ends: 63 [2023-02-16 04:18:42,615 INFO L226 Difference]: Without dead ends: 62 [2023-02-16 04:18:42,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:42,617 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-16 04:18:42,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-02-16 04:18:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 52 states have internal predecessors, (59), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:18:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2023-02-16 04:18:42,638 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 18 [2023-02-16 04:18:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,638 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2023-02-16 04:18:42,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2023-02-16 04:18:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-16 04:18:42,640 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-16 04:18:42,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1429816616, now seen corresponding path program 1 times [2023-02-16 04:18:42,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591306152] [2023-02-16 04:18:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:18:42,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591306152] [2023-02-16 04:18:42,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591306152] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:42,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:42,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:18:42,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917523840] [2023-02-16 04:18:42,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:42,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:18:42,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:18:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:18:42,722 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:42,748 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2023-02-16 04:18:42,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:18:42,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-02-16 04:18:42,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:42,749 INFO L225 Difference]: With dead ends: 67 [2023-02-16 04:18:42,749 INFO L226 Difference]: Without dead ends: 66 [2023-02-16 04:18:42,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:42,751 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:42,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 123 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-16 04:18:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-02-16 04:18:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 55 states have internal predecessors, (62), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:18:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2023-02-16 04:18:42,759 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 19 [2023-02-16 04:18:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:42,760 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2023-02-16 04:18:42,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2023-02-16 04:18:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-02-16 04:18:42,761 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:42,761 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:42,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-16 04:18:42,761 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:42,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1719727877, now seen corresponding path program 1 times [2023-02-16 04:18:42,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:42,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243047829] [2023-02-16 04:18:42,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:18:42,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:42,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243047829] [2023-02-16 04:18:42,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243047829] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:42,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591048722] [2023-02-16 04:18:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:42,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:42,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:42,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:18:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:42,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:18:42,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:18:42,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-16 04:18:43,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591048722] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:43,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:43,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-16 04:18:43,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913413038] [2023-02-16 04:18:43,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:43,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:18:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:18:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:18:43,018 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:43,093 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2023-02-16 04:18:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-16 04:18:43,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 25 [2023-02-16 04:18:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:43,095 INFO L225 Difference]: With dead ends: 126 [2023-02-16 04:18:43,095 INFO L226 Difference]: Without dead ends: 125 [2023-02-16 04:18:43,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:18:43,096 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 32 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:43,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-02-16 04:18:43,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 101. [2023-02-16 04:18:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.240506329113924) internal successors, (98), 85 states have internal predecessors, (98), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-16 04:18:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2023-02-16 04:18:43,109 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 25 [2023-02-16 04:18:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:43,109 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2023-02-16 04:18:43,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-02-16 04:18:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-16 04:18:43,110 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:43,111 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:43,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-16 04:18:43,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:43,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:43,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:43,317 INFO L85 PathProgramCache]: Analyzing trace with hash 679022498, now seen corresponding path program 1 times [2023-02-16 04:18:43,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:43,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264755286] [2023-02-16 04:18:43,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:43,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:43,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264755286] [2023-02-16 04:18:43,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264755286] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666859633] [2023-02-16 04:18:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:43,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:43,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:43,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:43,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:18:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:43,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:18:43,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:43,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:18:43,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666859633] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:43,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:43,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-02-16 04:18:43,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357963986] [2023-02-16 04:18:43,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:43,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-16 04:18:43,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:43,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-16 04:18:43,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-02-16 04:18:43,696 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 04:18:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:43,822 INFO L93 Difference]: Finished difference Result 165 states and 201 transitions. [2023-02-16 04:18:43,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:18:43,822 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2023-02-16 04:18:43,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:43,823 INFO L225 Difference]: With dead ends: 165 [2023-02-16 04:18:43,823 INFO L226 Difference]: Without dead ends: 102 [2023-02-16 04:18:43,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-02-16 04:18:43,825 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 27 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:43,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 302 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-16 04:18:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2023-02-16 04:18:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 85 states have internal predecessors, (97), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-16 04:18:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 123 transitions. [2023-02-16 04:18:43,836 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 123 transitions. Word has length 28 [2023-02-16 04:18:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:43,836 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 123 transitions. [2023-02-16 04:18:43,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 04:18:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2023-02-16 04:18:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-02-16 04:18:43,838 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:43,838 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] [2023-02-16 04:18:43,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:44,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-16 04:18:44,044 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:44,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash -606599675, now seen corresponding path program 2 times [2023-02-16 04:18:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:44,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885864762] [2023-02-16 04:18:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-16 04:18:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:44,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885864762] [2023-02-16 04:18:44,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885864762] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:44,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:44,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-16 04:18:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25893690] [2023-02-16 04:18:44,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:44,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:18:44,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:18:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:44,101 INFO L87 Difference]: Start difference. First operand 101 states and 123 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:44,158 INFO L93 Difference]: Finished difference Result 171 states and 214 transitions. [2023-02-16 04:18:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:18:44,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2023-02-16 04:18:44,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:44,161 INFO L225 Difference]: With dead ends: 171 [2023-02-16 04:18:44,161 INFO L226 Difference]: Without dead ends: 112 [2023-02-16 04:18:44,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:18:44,163 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 12 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:44,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 156 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-02-16 04:18:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2023-02-16 04:18:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 92 states have internal predecessors, (105), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-02-16 04:18:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 131 transitions. [2023-02-16 04:18:44,174 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 131 transitions. Word has length 38 [2023-02-16 04:18:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:44,174 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 131 transitions. [2023-02-16 04:18:44,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:18:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 131 transitions. [2023-02-16 04:18:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-02-16 04:18:44,176 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:44,176 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:44,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-16 04:18:44,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:44,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1431296022, now seen corresponding path program 1 times [2023-02-16 04:18:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:44,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730184868] [2023-02-16 04:18:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:44,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-16 04:18:44,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:44,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730184868] [2023-02-16 04:18:44,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730184868] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:44,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559983145] [2023-02-16 04:18:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:44,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:44,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:44,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:44,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:18:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:18:44,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-02-16 04:18:44,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:18:44,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559983145] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:44,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:18:44,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-02-16 04:18:44,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861617708] [2023-02-16 04:18:44,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:44,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:18:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:44,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:18:44,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:18:44,414 INFO L87 Difference]: Start difference. First operand 110 states and 131 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 04:18:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:44,514 INFO L93 Difference]: Finished difference Result 185 states and 225 transitions. [2023-02-16 04:18:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:18:44,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-02-16 04:18:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:44,516 INFO L225 Difference]: With dead ends: 185 [2023-02-16 04:18:44,516 INFO L226 Difference]: Without dead ends: 119 [2023-02-16 04:18:44,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:18:44,518 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 47 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:44,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 161 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-02-16 04:18:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2023-02-16 04:18:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 96 states have internal predecessors, (111), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2023-02-16 04:18:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2023-02-16 04:18:44,528 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 44 [2023-02-16 04:18:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:44,528 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2023-02-16 04:18:44,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 04:18:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2023-02-16 04:18:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-02-16 04:18:44,530 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:44,530 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:44,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-16 04:18:44,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:44,735 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:44,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash -877145674, now seen corresponding path program 1 times [2023-02-16 04:18:44,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:44,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103319279] [2023-02-16 04:18:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-16 04:18:44,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:44,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103319279] [2023-02-16 04:18:44,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103319279] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:44,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094074809] [2023-02-16 04:18:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:44,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:44,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:44,860 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:44,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:18:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:44,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:18:44,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-16 04:18:45,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-16 04:18:45,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094074809] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:45,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:45,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2023-02-16 04:18:45,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109532651] [2023-02-16 04:18:45,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:45,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:18:45,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:45,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:18:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:18:45,066 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:45,233 INFO L93 Difference]: Finished difference Result 186 states and 227 transitions. [2023-02-16 04:18:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-16 04:18:45,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2023-02-16 04:18:45,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:45,235 INFO L225 Difference]: With dead ends: 186 [2023-02-16 04:18:45,235 INFO L226 Difference]: Without dead ends: 116 [2023-02-16 04:18:45,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 87 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2023-02-16 04:18:45,236 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:45,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 303 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-02-16 04:18:45,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-02-16 04:18:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 96 states have internal predecessors, (110), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2023-02-16 04:18:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 139 transitions. [2023-02-16 04:18:45,246 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 139 transitions. Word has length 45 [2023-02-16 04:18:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:45,246 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 139 transitions. [2023-02-16 04:18:45,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2023-02-16 04:18:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-02-16 04:18:45,247 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:45,248 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:45,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:45,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:45,453 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1063701326, now seen corresponding path program 1 times [2023-02-16 04:18:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:45,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300793646] [2023-02-16 04:18:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:45,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-16 04:18:45,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:45,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300793646] [2023-02-16 04:18:45,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300793646] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:45,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112315188] [2023-02-16 04:18:45,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:45,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:45,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:18:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:45,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-16 04:18:45,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-16 04:18:45,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-16 04:18:45,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112315188] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:45,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:45,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-02-16 04:18:45,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289443922] [2023-02-16 04:18:45,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:45,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-16 04:18:45,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:45,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-16 04:18:45,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-02-16 04:18:45,758 INFO L87 Difference]: Start difference. First operand 116 states and 139 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:46,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:46,052 INFO L93 Difference]: Finished difference Result 198 states and 261 transitions. [2023-02-16 04:18:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-16 04:18:46,052 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2023-02-16 04:18:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:46,054 INFO L225 Difference]: With dead ends: 198 [2023-02-16 04:18:46,054 INFO L226 Difference]: Without dead ends: 196 [2023-02-16 04:18:46,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2023-02-16 04:18:46,055 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 151 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:46,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 195 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:18:46,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-02-16 04:18:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 175. [2023-02-16 04:18:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.2142857142857142) internal successors, (170), 143 states have internal predecessors, (170), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2023-02-16 04:18:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2023-02-16 04:18:46,070 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 49 [2023-02-16 04:18:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:46,070 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2023-02-16 04:18:46,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-16 04:18:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2023-02-16 04:18:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-02-16 04:18:46,071 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:46,071 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:46,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:46,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-16 04:18:46,276 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:46,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:46,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1507341244, now seen corresponding path program 2 times [2023-02-16 04:18:46,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:46,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692813406] [2023-02-16 04:18:46,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:18:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:18:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-16 04:18:46,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692813406] [2023-02-16 04:18:46,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692813406] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722830853] [2023-02-16 04:18:46,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:46,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:46,429 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:46,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 04:18:46,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:46,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:46,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-16 04:18:46,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-16 04:18:46,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-16 04:18:46,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722830853] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:46,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:46,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-16 04:18:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495349310] [2023-02-16 04:18:46,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:46,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-16 04:18:46,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:46,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-16 04:18:46,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-16 04:18:46,681 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-16 04:18:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:46,904 INFO L93 Difference]: Finished difference Result 356 states and 452 transitions. [2023-02-16 04:18:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-16 04:18:46,904 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 55 [2023-02-16 04:18:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:46,908 INFO L225 Difference]: With dead ends: 356 [2023-02-16 04:18:46,908 INFO L226 Difference]: Without dead ends: 355 [2023-02-16 04:18:46,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-16 04:18:46,910 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 103 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:46,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 294 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-02-16 04:18:46,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 283. [2023-02-16 04:18:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 230 states have (on average 1.208695652173913) internal successors, (278), 233 states have internal predecessors, (278), 39 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (45), 43 states have call predecessors, (45), 39 states have call successors, (45) [2023-02-16 04:18:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 362 transitions. [2023-02-16 04:18:46,933 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 362 transitions. Word has length 55 [2023-02-16 04:18:46,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:46,935 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-02-16 04:18:46,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-02-16 04:18:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 362 transitions. [2023-02-16 04:18:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-16 04:18:46,936 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:46,936 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:46,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:47,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-16 04:18:47,143 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -752404403, now seen corresponding path program 2 times [2023-02-16 04:18:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899233361] [2023-02-16 04:18:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-16 04:18:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-16 04:18:47,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899233361] [2023-02-16 04:18:47,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899233361] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128379676] [2023-02-16 04:18:47,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:47,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:47,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:47,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:47,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 04:18:47,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:47,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-16 04:18:47,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-16 04:18:47,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-16 04:18:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128379676] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:47,438 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:47,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2023-02-16 04:18:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250849482] [2023-02-16 04:18:47,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:47,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-16 04:18:47,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:47,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-16 04:18:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2023-02-16 04:18:47,440 INFO L87 Difference]: Start difference. First operand 283 states and 362 transitions. Second operand has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-16 04:18:47,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:47,883 INFO L93 Difference]: Finished difference Result 436 states and 559 transitions. [2023-02-16 04:18:47,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-02-16 04:18:47,884 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 56 [2023-02-16 04:18:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:47,886 INFO L225 Difference]: With dead ends: 436 [2023-02-16 04:18:47,886 INFO L226 Difference]: Without dead ends: 434 [2023-02-16 04:18:47,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=614, Invalid=2142, Unknown=0, NotChecked=0, Total=2756 [2023-02-16 04:18:47,888 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 158 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:47,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 407 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-02-16 04:18:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 176. [2023-02-16 04:18:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 142 states have (on average 1.204225352112676) internal successors, (171), 144 states have internal predecessors, (171), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2023-02-16 04:18:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2023-02-16 04:18:47,917 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 56 [2023-02-16 04:18:47,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:47,918 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2023-02-16 04:18:47,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-16 04:18:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2023-02-16 04:18:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-02-16 04:18:47,919 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:47,919 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:47,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:48,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:48,124 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:48,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1756437604, now seen corresponding path program 1 times [2023-02-16 04:18:48,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:48,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044246290] [2023-02-16 04:18:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:48,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-02-16 04:18:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-16 04:18:48,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:48,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044246290] [2023-02-16 04:18:48,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044246290] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:48,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683675889] [2023-02-16 04:18:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:48,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:48,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-16 04:18:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:48,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-16 04:18:48,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-02-16 04:18:48,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-16 04:18:48,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683675889] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:48,387 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:48,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2023-02-16 04:18:48,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863274567] [2023-02-16 04:18:48,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:48,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-16 04:18:48,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:48,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-16 04:18:48,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:18:48,390 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-02-16 04:18:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:48,811 INFO L93 Difference]: Finished difference Result 363 states and 492 transitions. [2023-02-16 04:18:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-16 04:18:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 62 [2023-02-16 04:18:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:48,814 INFO L225 Difference]: With dead ends: 363 [2023-02-16 04:18:48,814 INFO L226 Difference]: Without dead ends: 278 [2023-02-16 04:18:48,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2023-02-16 04:18:48,815 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 196 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:48,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 210 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:18:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-02-16 04:18:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 237. [2023-02-16 04:18:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 190 states have (on average 1.2263157894736842) internal successors, (233), 194 states have internal predecessors, (233), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (36), 32 states have call predecessors, (36), 29 states have call successors, (36) [2023-02-16 04:18:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 298 transitions. [2023-02-16 04:18:48,839 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 298 transitions. Word has length 62 [2023-02-16 04:18:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:48,839 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 298 transitions. [2023-02-16 04:18:48,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-02-16 04:18:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 298 transitions. [2023-02-16 04:18:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-02-16 04:18:48,840 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:48,840 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 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] [2023-02-16 04:18:48,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:49,044 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,SelfDestructingSolverStorable16 [2023-02-16 04:18:49,045 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:49,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:49,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1961639078, now seen corresponding path program 1 times [2023-02-16 04:18:49,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:49,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384614562] [2023-02-16 04:18:49,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:49,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-16 04:18:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-16 04:18:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-02-16 04:18:49,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:49,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384614562] [2023-02-16 04:18:49,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384614562] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:49,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:49,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-16 04:18:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130225318] [2023-02-16 04:18:49,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:49,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:18:49,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:49,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:18:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:18:49,122 INFO L87 Difference]: Start difference. First operand 237 states and 298 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:49,174 INFO L93 Difference]: Finished difference Result 362 states and 485 transitions. [2023-02-16 04:18:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:18:49,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2023-02-16 04:18:49,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:49,177 INFO L225 Difference]: With dead ends: 362 [2023-02-16 04:18:49,177 INFO L226 Difference]: Without dead ends: 224 [2023-02-16 04:18:49,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:18:49,179 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:49,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 96 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-02-16 04:18:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2023-02-16 04:18:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 177 states have (on average 1.1977401129943503) internal successors, (212), 186 states have internal predecessors, (212), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (34), 27 states have call predecessors, (34), 29 states have call successors, (34) [2023-02-16 04:18:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 275 transitions. [2023-02-16 04:18:49,195 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 275 transitions. Word has length 64 [2023-02-16 04:18:49,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:49,195 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 275 transitions. [2023-02-16 04:18:49,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 275 transitions. [2023-02-16 04:18:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-16 04:18:49,196 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:49,197 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2023-02-16 04:18:49,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-16 04:18:49,197 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash -676414306, now seen corresponding path program 2 times [2023-02-16 04:18:49,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:49,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800498819] [2023-02-16 04:18:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:49,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-16 04:18:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-16 04:18:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-02-16 04:18:49,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:49,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800498819] [2023-02-16 04:18:49,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800498819] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:49,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785570966] [2023-02-16 04:18:49,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:49,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:49,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:49,278 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:49,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-16 04:18:49,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:49,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:49,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:18:49,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-02-16 04:18:49,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:18:49,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785570966] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:49,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:18:49,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-02-16 04:18:49,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073673382] [2023-02-16 04:18:49,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:49,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:18:49,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:18:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:18:49,348 INFO L87 Difference]: Start difference. First operand 224 states and 275 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:49,384 INFO L93 Difference]: Finished difference Result 256 states and 326 transitions. [2023-02-16 04:18:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:18:49,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2023-02-16 04:18:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:49,386 INFO L225 Difference]: With dead ends: 256 [2023-02-16 04:18:49,386 INFO L226 Difference]: Without dead ends: 255 [2023-02-16 04:18:49,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:18:49,387 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:49,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-02-16 04:18:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 242. [2023-02-16 04:18:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 191 states have (on average 1.1832460732984293) internal successors, (226), 199 states have internal predecessors, (226), 29 states have call successors, (29), 10 states have call predecessors, (29), 17 states have return successors, (49), 32 states have call predecessors, (49), 29 states have call successors, (49) [2023-02-16 04:18:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 304 transitions. [2023-02-16 04:18:49,404 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 304 transitions. Word has length 65 [2023-02-16 04:18:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:49,404 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 304 transitions. [2023-02-16 04:18:49,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 304 transitions. [2023-02-16 04:18:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-02-16 04:18:49,405 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:49,405 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2023-02-16 04:18:49,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-02-16 04:18:49,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:49,615 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:49,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:49,615 INFO L85 PathProgramCache]: Analyzing trace with hash 505993054, now seen corresponding path program 1 times [2023-02-16 04:18:49,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:49,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765554854] [2023-02-16 04:18:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:49,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-16 04:18:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-16 04:18:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-02-16 04:18:49,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:49,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765554854] [2023-02-16 04:18:49,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765554854] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:49,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:18:49,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-16 04:18:49,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577612122] [2023-02-16 04:18:49,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:49,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:18:49,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:49,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:18:49,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:18:49,679 INFO L87 Difference]: Start difference. First operand 242 states and 304 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:49,731 INFO L93 Difference]: Finished difference Result 309 states and 410 transitions. [2023-02-16 04:18:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-16 04:18:49,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2023-02-16 04:18:49,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:49,733 INFO L225 Difference]: With dead ends: 309 [2023-02-16 04:18:49,733 INFO L226 Difference]: Without dead ends: 308 [2023-02-16 04:18:49,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:18:49,734 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:49,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 186 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:49,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-02-16 04:18:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 283. [2023-02-16 04:18:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 224 states have (on average 1.1696428571428572) internal successors, (262), 230 states have internal predecessors, (262), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (73), 42 states have call predecessors, (73), 34 states have call successors, (73) [2023-02-16 04:18:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2023-02-16 04:18:49,759 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 66 [2023-02-16 04:18:49,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:49,759 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2023-02-16 04:18:49,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 04:18:49,760 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2023-02-16 04:18:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-16 04:18:49,763 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:49,763 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:49,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-16 04:18:49,764 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:49,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 924442603, now seen corresponding path program 1 times [2023-02-16 04:18:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:49,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37736374] [2023-02-16 04:18:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:49,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-16 04:18:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-02-16 04:18:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-02-16 04:18:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-02-16 04:18:49,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:49,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37736374] [2023-02-16 04:18:49,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37736374] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:49,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005625307] [2023-02-16 04:18:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:49,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:49,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:49,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-16 04:18:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:49,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:18:49,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-02-16 04:18:49,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:18:49,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005625307] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:49,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:18:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-02-16 04:18:49,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695186131] [2023-02-16 04:18:49,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:49,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:18:49,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:49,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:18:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:18:49,947 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-16 04:18:50,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:50,069 INFO L93 Difference]: Finished difference Result 564 states and 799 transitions. [2023-02-16 04:18:50,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:18:50,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 101 [2023-02-16 04:18:50,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:50,071 INFO L225 Difference]: With dead ends: 564 [2023-02-16 04:18:50,072 INFO L226 Difference]: Without dead ends: 377 [2023-02-16 04:18:50,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-02-16 04:18:50,073 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 44 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:50,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 117 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:50,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-02-16 04:18:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2023-02-16 04:18:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 298 states have (on average 1.174496644295302) internal successors, (350), 297 states have internal predecessors, (350), 44 states have call successors, (44), 10 states have call predecessors, (44), 27 states have return successors, (140), 66 states have call predecessors, (140), 44 states have call successors, (140) [2023-02-16 04:18:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 534 transitions. [2023-02-16 04:18:50,095 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 534 transitions. Word has length 101 [2023-02-16 04:18:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:50,095 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 534 transitions. [2023-02-16 04:18:50,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-02-16 04:18:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 534 transitions. [2023-02-16 04:18:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-16 04:18:50,096 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:50,096 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:50,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:50,301 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,SelfDestructingSolverStorable20 [2023-02-16 04:18:50,301 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:50,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:50,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1168908398, now seen corresponding path program 1 times [2023-02-16 04:18:50,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:50,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090236114] [2023-02-16 04:18:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:50,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-16 04:18:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-02-16 04:18:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-02-16 04:18:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 36 proven. 72 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-02-16 04:18:50,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:50,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090236114] [2023-02-16 04:18:50,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090236114] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:50,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742697717] [2023-02-16 04:18:50,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:50,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:50,416 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:50,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-16 04:18:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:18:50,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-02-16 04:18:50,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:18:50,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742697717] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:18:50,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:18:50,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2023-02-16 04:18:50,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654221380] [2023-02-16 04:18:50,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:18:50,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:18:50,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:18:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-02-16 04:18:50,509 INFO L87 Difference]: Start difference. First operand 374 states and 534 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-16 04:18:50,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:50,580 INFO L93 Difference]: Finished difference Result 555 states and 830 transitions. [2023-02-16 04:18:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:18:50,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 101 [2023-02-16 04:18:50,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:50,582 INFO L225 Difference]: With dead ends: 555 [2023-02-16 04:18:50,582 INFO L226 Difference]: Without dead ends: 282 [2023-02-16 04:18:50,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-02-16 04:18:50,586 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:50,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 93 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:50,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-02-16 04:18:50,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-02-16 04:18:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 224 states have (on average 1.1473214285714286) internal successors, (257), 229 states have internal predecessors, (257), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (65), 42 states have call predecessors, (65), 34 states have call successors, (65) [2023-02-16 04:18:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 356 transitions. [2023-02-16 04:18:50,610 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 356 transitions. Word has length 101 [2023-02-16 04:18:50,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:50,610 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 356 transitions. [2023-02-16 04:18:50,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-16 04:18:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 356 transitions. [2023-02-16 04:18:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-02-16 04:18:50,611 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:50,611 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:50,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:50,816 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,SelfDestructingSolverStorable21 [2023-02-16 04:18:50,817 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1778803619, now seen corresponding path program 2 times [2023-02-16 04:18:50,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:50,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954183324] [2023-02-16 04:18:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-02-16 04:18:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-02-16 04:18:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-02-16 04:18:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:50,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954183324] [2023-02-16 04:18:50,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954183324] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668429428] [2023-02-16 04:18:50,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:50,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:50,939 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:50,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-16 04:18:50,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:50,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:50,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:18:50,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-02-16 04:18:51,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-02-16 04:18:51,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668429428] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:51,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:51,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 16 [2023-02-16 04:18:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114971135] [2023-02-16 04:18:51,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:51,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-16 04:18:51,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-16 04:18:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-02-16 04:18:51,094 INFO L87 Difference]: Start difference. First operand 282 states and 356 transitions. Second operand has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2023-02-16 04:18:51,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:51,528 INFO L93 Difference]: Finished difference Result 577 states and 746 transitions. [2023-02-16 04:18:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-16 04:18:51,529 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) Word has length 85 [2023-02-16 04:18:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:51,530 INFO L225 Difference]: With dead ends: 577 [2023-02-16 04:18:51,531 INFO L226 Difference]: Without dead ends: 388 [2023-02-16 04:18:51,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2023-02-16 04:18:51,532 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 84 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:51,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 208 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:18:51,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-02-16 04:18:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 331. [2023-02-16 04:18:51,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 265 states have (on average 1.1320754716981132) internal successors, (300), 267 states have internal predecessors, (300), 41 states have call successors, (41), 16 states have call predecessors, (41), 21 states have return successors, (72), 47 states have call predecessors, (72), 41 states have call successors, (72) [2023-02-16 04:18:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 413 transitions. [2023-02-16 04:18:51,551 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 413 transitions. Word has length 85 [2023-02-16 04:18:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:51,551 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 413 transitions. [2023-02-16 04:18:51,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 7 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2023-02-16 04:18:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 413 transitions. [2023-02-16 04:18:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-02-16 04:18:51,553 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:51,553 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:51,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:51,758 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,SelfDestructingSolverStorable22 [2023-02-16 04:18:51,758 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:51,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1176948905, now seen corresponding path program 1 times [2023-02-16 04:18:51,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:51,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194437117] [2023-02-16 04:18:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-02-16 04:18:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-02-16 04:18:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-02-16 04:18:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-02-16 04:18:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-02-16 04:18:51,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:51,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194437117] [2023-02-16 04:18:51,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194437117] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:51,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977664441] [2023-02-16 04:18:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:51,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:51,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:51,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-16 04:18:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:52,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:18:52,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 152 proven. 37 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-02-16 04:18:52,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-02-16 04:18:52,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977664441] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:52,289 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:52,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2023-02-16 04:18:52,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334717126] [2023-02-16 04:18:52,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:52,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-16 04:18:52,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:52,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-16 04:18:52,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2023-02-16 04:18:52,291 INFO L87 Difference]: Start difference. First operand 331 states and 413 transitions. Second operand has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-16 04:18:52,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:52,480 INFO L93 Difference]: Finished difference Result 584 states and 736 transitions. [2023-02-16 04:18:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-16 04:18:52,481 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 117 [2023-02-16 04:18:52,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:52,483 INFO L225 Difference]: With dead ends: 584 [2023-02-16 04:18:52,483 INFO L226 Difference]: Without dead ends: 351 [2023-02-16 04:18:52,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 238 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:18:52,487 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:52,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 457 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-02-16 04:18:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 341. [2023-02-16 04:18:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 275 states have (on average 1.1236363636363635) internal successors, (309), 275 states have internal predecessors, (309), 41 states have call successors, (41), 16 states have call predecessors, (41), 21 states have return successors, (72), 49 states have call predecessors, (72), 41 states have call successors, (72) [2023-02-16 04:18:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 422 transitions. [2023-02-16 04:18:52,506 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 422 transitions. Word has length 117 [2023-02-16 04:18:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:52,506 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 422 transitions. [2023-02-16 04:18:52,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 18 states have internal predecessors, (74), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-16 04:18:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 422 transitions. [2023-02-16 04:18:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-02-16 04:18:52,509 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:52,510 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:52,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:52,714 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,SelfDestructingSolverStorable23 [2023-02-16 04:18:52,714 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:52,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1993379434, now seen corresponding path program 3 times [2023-02-16 04:18:52,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:52,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011008477] [2023-02-16 04:18:52,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:18:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:18:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:18:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-16 04:18:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-16 04:18:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-16 04:18:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-16 04:18:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-16 04:18:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:18:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:53,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011008477] [2023-02-16 04:18:53,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011008477] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:53,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892207241] [2023-02-16 04:18:53,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:18:53,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:53,070 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:53,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-16 04:18:53,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:18:53,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:53,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-16 04:18:53,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:18:53,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-02-16 04:18:53,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892207241] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:53,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:53,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-16 04:18:53,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419835891] [2023-02-16 04:18:53,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:53,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-16 04:18:53,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:53,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-16 04:18:53,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-16 04:18:53,709 INFO L87 Difference]: Start difference. First operand 341 states and 422 transitions. Second operand has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-02-16 04:18:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:54,267 INFO L93 Difference]: Finished difference Result 804 states and 1018 transitions. [2023-02-16 04:18:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-16 04:18:54,268 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 115 [2023-02-16 04:18:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:54,271 INFO L225 Difference]: With dead ends: 804 [2023-02-16 04:18:54,272 INFO L226 Difference]: Without dead ends: 803 [2023-02-16 04:18:54,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-16 04:18:54,274 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 260 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:54,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 503 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:18:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2023-02-16 04:18:54,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 413. [2023-02-16 04:18:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 335 states have (on average 1.137313432835821) internal successors, (381), 335 states have internal predecessors, (381), 53 states have call successors, (53), 16 states have call predecessors, (53), 21 states have return successors, (84), 61 states have call predecessors, (84), 53 states have call successors, (84) [2023-02-16 04:18:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 518 transitions. [2023-02-16 04:18:54,308 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 518 transitions. Word has length 115 [2023-02-16 04:18:54,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:54,308 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 518 transitions. [2023-02-16 04:18:54,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6444444444444444) internal successors, (119), 46 states have internal predecessors, (119), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-02-16 04:18:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 518 transitions. [2023-02-16 04:18:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-02-16 04:18:54,310 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:54,311 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:54,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:54,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:54,517 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2101172134, now seen corresponding path program 2 times [2023-02-16 04:18:54,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:54,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205947625] [2023-02-16 04:18:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:18:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:18:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-02-16 04:18:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-02-16 04:18:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-02-16 04:18:54,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:54,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205947625] [2023-02-16 04:18:54,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205947625] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:54,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434698938] [2023-02-16 04:18:54,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:54,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:54,715 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:54,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-16 04:18:54,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:54,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:54,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-16 04:18:54,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 178 proven. 46 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-02-16 04:18:54,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-02-16 04:18:55,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434698938] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:55,048 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:55,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2023-02-16 04:18:55,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552132660] [2023-02-16 04:18:55,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:55,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-16 04:18:55,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:55,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-16 04:18:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-02-16 04:18:55,051 INFO L87 Difference]: Start difference. First operand 413 states and 518 transitions. Second operand has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-02-16 04:18:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:55,370 INFO L93 Difference]: Finished difference Result 595 states and 754 transitions. [2023-02-16 04:18:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-16 04:18:55,371 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 127 [2023-02-16 04:18:55,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:55,373 INFO L225 Difference]: With dead ends: 595 [2023-02-16 04:18:55,373 INFO L226 Difference]: Without dead ends: 395 [2023-02-16 04:18:55,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 260 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=730, Unknown=0, NotChecked=0, Total=930 [2023-02-16 04:18:55,375 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 77 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:55,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 418 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:18:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-02-16 04:18:55,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 390. [2023-02-16 04:18:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 316 states have (on average 1.1360759493670887) internal successors, (359), 318 states have internal predecessors, (359), 49 states have call successors, (49), 16 states have call predecessors, (49), 21 states have return successors, (75), 55 states have call predecessors, (75), 49 states have call successors, (75) [2023-02-16 04:18:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 483 transitions. [2023-02-16 04:18:55,414 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 483 transitions. Word has length 127 [2023-02-16 04:18:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:55,414 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 483 transitions. [2023-02-16 04:18:55,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 17 states have internal predecessors, (77), 9 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-02-16 04:18:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 483 transitions. [2023-02-16 04:18:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-02-16 04:18:55,416 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:55,416 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:55,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:55,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-02-16 04:18:55,622 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1050490384, now seen corresponding path program 1 times [2023-02-16 04:18:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261519722] [2023-02-16 04:18:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:18:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:18:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-02-16 04:18:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-02-16 04:18:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-02-16 04:18:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-02-16 04:18:55,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:55,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261519722] [2023-02-16 04:18:55,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261519722] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:55,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141453057] [2023-02-16 04:18:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:55,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:55,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:55,792 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:55,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-16 04:18:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:55,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:18:55,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 269 proven. 57 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-02-16 04:18:55,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 88 proven. 104 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-02-16 04:18:56,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141453057] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:56,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:56,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2023-02-16 04:18:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012624831] [2023-02-16 04:18:56,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:56,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-16 04:18:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:56,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-16 04:18:56,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-02-16 04:18:56,052 INFO L87 Difference]: Start difference. First operand 390 states and 483 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-02-16 04:18:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:56,346 INFO L93 Difference]: Finished difference Result 597 states and 737 transitions. [2023-02-16 04:18:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-16 04:18:56,347 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 147 [2023-02-16 04:18:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:56,349 INFO L225 Difference]: With dead ends: 597 [2023-02-16 04:18:56,349 INFO L226 Difference]: Without dead ends: 383 [2023-02-16 04:18:56,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 311 SyntacticMatches, 8 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2023-02-16 04:18:56,350 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 82 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:56,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 285 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:18:56,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-02-16 04:18:56,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2023-02-16 04:18:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 292 states have (on average 1.1232876712328768) internal successors, (328), 296 states have internal predecessors, (328), 45 states have call successors, (45), 16 states have call predecessors, (45), 19 states have return successors, (57), 47 states have call predecessors, (57), 45 states have call successors, (57) [2023-02-16 04:18:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 430 transitions. [2023-02-16 04:18:56,370 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 430 transitions. Word has length 147 [2023-02-16 04:18:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:56,370 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 430 transitions. [2023-02-16 04:18:56,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 8 states have internal predecessors, (67), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-02-16 04:18:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 430 transitions. [2023-02-16 04:18:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-02-16 04:18:56,372 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:56,372 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 9, 9, 9, 8, 8, 8, 8, 8, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:56,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:56,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-02-16 04:18:56,578 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:56,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash -431856080, now seen corresponding path program 1 times [2023-02-16 04:18:56,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:56,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733892556] [2023-02-16 04:18:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:18:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:18:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:18:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:18:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-02-16 04:18:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-02-16 04:18:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-16 04:18:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 205 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-02-16 04:18:56,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:56,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733892556] [2023-02-16 04:18:56,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733892556] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:56,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168856344] [2023-02-16 04:18:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:56,678 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:56,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-16 04:18:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:56,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:18:56,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 384 proven. 1 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-02-16 04:18:56,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 205 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-02-16 04:18:56,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168856344] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:56,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:56,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-02-16 04:18:56,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403557694] [2023-02-16 04:18:56,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:56,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:18:56,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:56,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:18:56,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:18:56,872 INFO L87 Difference]: Start difference. First operand 360 states and 430 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-16 04:18:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:56,944 INFO L93 Difference]: Finished difference Result 516 states and 621 transitions. [2023-02-16 04:18:56,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:18:56,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 164 [2023-02-16 04:18:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:56,947 INFO L225 Difference]: With dead ends: 516 [2023-02-16 04:18:56,947 INFO L226 Difference]: Without dead ends: 364 [2023-02-16 04:18:56,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-02-16 04:18:56,948 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:56,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 104 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:18:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-02-16 04:18:56,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2023-02-16 04:18:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 292 states have (on average 1.11986301369863) internal successors, (327), 296 states have internal predecessors, (327), 45 states have call successors, (45), 16 states have call predecessors, (45), 19 states have return successors, (56), 47 states have call predecessors, (56), 45 states have call successors, (56) [2023-02-16 04:18:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 428 transitions. [2023-02-16 04:18:56,968 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 428 transitions. Word has length 164 [2023-02-16 04:18:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:56,968 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 428 transitions. [2023-02-16 04:18:56,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-02-16 04:18:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-02-16 04:18:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-02-16 04:18:56,970 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:56,970 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 10, 9, 9, 8, 8, 8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:56,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:57,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-02-16 04:18:57,176 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1304950545, now seen corresponding path program 2 times [2023-02-16 04:18:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:57,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483897287] [2023-02-16 04:18:57,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:57,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:18:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:18:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:18:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:18:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:18:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:18:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:18:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 61 proven. 159 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2023-02-16 04:18:57,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:57,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483897287] [2023-02-16 04:18:57,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483897287] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:57,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478768249] [2023-02-16 04:18:57,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:18:57,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:57,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:57,351 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:57,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-02-16 04:18:57,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:18:57,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:57,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-16 04:18:57,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 390 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-02-16 04:18:57,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 278 proven. 70 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-02-16 04:18:58,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478768249] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:58,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:58,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 27 [2023-02-16 04:18:58,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714325462] [2023-02-16 04:18:58,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:58,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-16 04:18:58,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:58,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-16 04:18:58,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-02-16 04:18:58,042 INFO L87 Difference]: Start difference. First operand 360 states and 428 transitions. Second operand has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2023-02-16 04:18:58,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:58,865 INFO L93 Difference]: Finished difference Result 654 states and 833 transitions. [2023-02-16 04:18:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-16 04:18:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) Word has length 184 [2023-02-16 04:18:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:58,869 INFO L225 Difference]: With dead ends: 654 [2023-02-16 04:18:58,869 INFO L226 Difference]: Without dead ends: 547 [2023-02-16 04:18:58,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 378 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=1977, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:18:58,871 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 318 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:58,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 361 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-16 04:18:58,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-02-16 04:18:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 500. [2023-02-16 04:18:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 406 states have (on average 1.1206896551724137) internal successors, (455), 407 states have internal predecessors, (455), 62 states have call successors, (62), 21 states have call predecessors, (62), 28 states have return successors, (116), 71 states have call predecessors, (116), 62 states have call successors, (116) [2023-02-16 04:18:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 633 transitions. [2023-02-16 04:18:58,909 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 633 transitions. Word has length 184 [2023-02-16 04:18:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:18:58,909 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 633 transitions. [2023-02-16 04:18:58,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 26 states have internal predecessors, (131), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2023-02-16 04:18:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 633 transitions. [2023-02-16 04:18:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-02-16 04:18:58,912 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:18:58,912 INFO L195 NwaCegarLoop]: trace histogram [20, 18, 13, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:18:58,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-02-16 04:18:59,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-02-16 04:18:59,117 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:18:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:18:59,118 INFO L85 PathProgramCache]: Analyzing trace with hash 123362224, now seen corresponding path program 3 times [2023-02-16 04:18:59,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:18:59,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684607870] [2023-02-16 04:18:59,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:18:59,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:18:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:18:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:18:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:18:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:18:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:18:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:18:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:18:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:18:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:18:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:18:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:18:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-02-16 04:18:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:18:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 226 proven. 14 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2023-02-16 04:18:59,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:18:59,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684607870] [2023-02-16 04:18:59,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684607870] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:18:59,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815716102] [2023-02-16 04:18:59,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:18:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:18:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:18:59,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:18:59,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-16 04:18:59,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-16 04:18:59,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:18:59,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-16 04:18:59,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:18:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 136 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-02-16 04:18:59,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:18:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 136 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-02-16 04:18:59,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815716102] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:18:59,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:18:59,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2023-02-16 04:18:59,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972184325] [2023-02-16 04:18:59,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:18:59,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-16 04:18:59,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:18:59,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-16 04:18:59,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:18:59,720 INFO L87 Difference]: Start difference. First operand 500 states and 633 transitions. Second operand has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-16 04:18:59,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:18:59,970 INFO L93 Difference]: Finished difference Result 706 states and 921 transitions. [2023-02-16 04:18:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-16 04:18:59,970 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 212 [2023-02-16 04:18:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:18:59,974 INFO L225 Difference]: With dead ends: 706 [2023-02-16 04:18:59,974 INFO L226 Difference]: Without dead ends: 705 [2023-02-16 04:18:59,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 455 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:18:59,975 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 139 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:18:59,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 211 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:18:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-02-16 04:19:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 642. [2023-02-16 04:19:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 515 states have (on average 1.1242718446601943) internal successors, (579), 516 states have internal predecessors, (579), 81 states have call successors, (81), 28 states have call predecessors, (81), 42 states have return successors, (162), 97 states have call predecessors, (162), 81 states have call successors, (162) [2023-02-16 04:19:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 822 transitions. [2023-02-16 04:19:00,021 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 822 transitions. Word has length 212 [2023-02-16 04:19:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:00,023 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 822 transitions. [2023-02-16 04:19:00,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-16 04:19:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 822 transitions. [2023-02-16 04:19:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-02-16 04:19:00,026 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:00,026 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:00,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:00,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:00,231 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:00,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:00,231 INFO L85 PathProgramCache]: Analyzing trace with hash -326239683, now seen corresponding path program 4 times [2023-02-16 04:19:00,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:00,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747351939] [2023-02-16 04:19:00,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:00,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-02-16 04:19:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 262 proven. 106 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2023-02-16 04:19:00,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:00,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747351939] [2023-02-16 04:19:00,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747351939] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:00,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637266096] [2023-02-16 04:19:00,489 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:19:00,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:00,491 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:00,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-02-16 04:19:00,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:19:00,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:00,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-16 04:19:00,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 223 proven. 2 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2023-02-16 04:19:00,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 149 proven. 6 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-02-16 04:19:00,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637266096] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:00,765 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:00,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 18 [2023-02-16 04:19:00,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670051193] [2023-02-16 04:19:00,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:00,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-16 04:19:00,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:00,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-16 04:19:00,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-02-16 04:19:00,767 INFO L87 Difference]: Start difference. First operand 642 states and 822 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-02-16 04:19:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:01,328 INFO L93 Difference]: Finished difference Result 1137 states and 1523 transitions. [2023-02-16 04:19:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-02-16 04:19:01,328 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 217 [2023-02-16 04:19:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:01,332 INFO L225 Difference]: With dead ends: 1137 [2023-02-16 04:19:01,332 INFO L226 Difference]: Without dead ends: 706 [2023-02-16 04:19:01,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 465 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2023-02-16 04:19:01,335 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 113 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:01,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 398 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 04:19:01,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-02-16 04:19:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 647. [2023-02-16 04:19:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 522 states have (on average 1.103448275862069) internal successors, (576), 521 states have internal predecessors, (576), 82 states have call successors, (82), 29 states have call predecessors, (82), 39 states have return successors, (121), 96 states have call predecessors, (121), 82 states have call successors, (121) [2023-02-16 04:19:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 779 transitions. [2023-02-16 04:19:01,375 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 779 transitions. Word has length 217 [2023-02-16 04:19:01,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:01,377 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 779 transitions. [2023-02-16 04:19:01,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 15 states have internal predecessors, (87), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2023-02-16 04:19:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 779 transitions. [2023-02-16 04:19:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-02-16 04:19:01,380 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:01,380 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:01,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:01,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-02-16 04:19:01,585 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:01,586 INFO L85 PathProgramCache]: Analyzing trace with hash -487313181, now seen corresponding path program 5 times [2023-02-16 04:19:01,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:01,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044463433] [2023-02-16 04:19:01,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:01,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-02-16 04:19:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 208 proven. 165 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2023-02-16 04:19:01,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044463433] [2023-02-16 04:19:01,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044463433] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057440052] [2023-02-16 04:19:01,885 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:19:01,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:01,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:01,887 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:01,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-02-16 04:19:01,984 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-02-16 04:19:01,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:19:01,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2023-02-16 04:19:02,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 139 proven. 9 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2023-02-16 04:19:02,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057440052] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:02,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:02,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 26 [2023-02-16 04:19:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195633167] [2023-02-16 04:19:02,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:02,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-16 04:19:02,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-16 04:19:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:19:02,210 INFO L87 Difference]: Start difference. First operand 647 states and 779 transitions. Second operand has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-16 04:19:03,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:03,350 INFO L93 Difference]: Finished difference Result 1458 states and 1763 transitions. [2023-02-16 04:19:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-02-16 04:19:03,350 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 217 [2023-02-16 04:19:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:03,355 INFO L225 Difference]: With dead ends: 1458 [2023-02-16 04:19:03,355 INFO L226 Difference]: Without dead ends: 946 [2023-02-16 04:19:03,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=628, Invalid=4202, Unknown=0, NotChecked=0, Total=4830 [2023-02-16 04:19:03,360 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 465 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:03,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 482 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-16 04:19:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2023-02-16 04:19:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 918. [2023-02-16 04:19:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 740 states have (on average 1.1) internal successors, (814), 730 states have internal predecessors, (814), 115 states have call successors, (115), 43 states have call predecessors, (115), 59 states have return successors, (187), 144 states have call predecessors, (187), 115 states have call successors, (187) [2023-02-16 04:19:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1116 transitions. [2023-02-16 04:19:03,424 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1116 transitions. Word has length 217 [2023-02-16 04:19:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:03,424 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1116 transitions. [2023-02-16 04:19:03,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.583333333333333) internal successors, (110), 20 states have internal predecessors, (110), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-02-16 04:19:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1116 transitions. [2023-02-16 04:19:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-02-16 04:19:03,427 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:03,427 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:03,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:03,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:03,632 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:03,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:03,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1300890934, now seen corresponding path program 1 times [2023-02-16 04:19:03,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:03,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110431264] [2023-02-16 04:19:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:03,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-16 04:19:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 326 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-16 04:19:04,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110431264] [2023-02-16 04:19:04,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110431264] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080060020] [2023-02-16 04:19:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:04,043 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:04,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-02-16 04:19:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:04,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-16 04:19:04,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 416 proven. 36 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-16 04:19:04,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 326 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2023-02-16 04:19:04,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080060020] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:04,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:04,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 30 [2023-02-16 04:19:04,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249269433] [2023-02-16 04:19:04,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:04,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-02-16 04:19:04,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-02-16 04:19:04,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2023-02-16 04:19:04,830 INFO L87 Difference]: Start difference. First operand 918 states and 1116 transitions. Second operand has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2023-02-16 04:19:05,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:05,599 INFO L93 Difference]: Finished difference Result 1690 states and 2186 transitions. [2023-02-16 04:19:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-16 04:19:05,599 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) Word has length 234 [2023-02-16 04:19:05,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:05,604 INFO L225 Difference]: With dead ends: 1690 [2023-02-16 04:19:05,604 INFO L226 Difference]: Without dead ends: 1045 [2023-02-16 04:19:05,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 487 SyntacticMatches, 14 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=302, Invalid=1860, Unknown=0, NotChecked=0, Total=2162 [2023-02-16 04:19:05,609 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:05,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 497 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-16 04:19:05,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2023-02-16 04:19:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 921. [2023-02-16 04:19:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 743 states have (on average 1.0995962314939434) internal successors, (817), 732 states have internal predecessors, (817), 115 states have call successors, (115), 43 states have call predecessors, (115), 59 states have return successors, (180), 145 states have call predecessors, (180), 115 states have call successors, (180) [2023-02-16 04:19:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1112 transitions. [2023-02-16 04:19:05,686 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1112 transitions. Word has length 234 [2023-02-16 04:19:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:05,687 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1112 transitions. [2023-02-16 04:19:05,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.033333333333333) internal successors, (121), 28 states have internal predecessors, (121), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2023-02-16 04:19:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1112 transitions. [2023-02-16 04:19:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-02-16 04:19:05,690 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:05,691 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:05,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:05,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:05,896 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:05,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash 692914374, now seen corresponding path program 4 times [2023-02-16 04:19:05,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:05,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153849009] [2023-02-16 04:19:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:05,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:19:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:19:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-16 04:19:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-16 04:19:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-16 04:19:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-16 04:19:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-16 04:19:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-16 04:19:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-16 04:19:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-16 04:19:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-16 04:19:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-16 04:19:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-16 04:19:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:19:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-16 04:19:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-16 04:19:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-16 04:19:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-16 04:19:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-16 04:19:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-16 04:19:07,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:07,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153849009] [2023-02-16 04:19:07,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153849009] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:07,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25827519] [2023-02-16 04:19:07,045 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:19:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:07,047 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:07,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-02-16 04:19:07,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:19:07,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:07,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-16 04:19:07,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-16 04:19:07,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2530 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-02-16 04:19:08,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25827519] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:08,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:08,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-16 04:19:08,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275185114] [2023-02-16 04:19:08,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:08,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-16 04:19:08,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:08,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-16 04:19:08,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-16 04:19:08,936 INFO L87 Difference]: Start difference. First operand 921 states and 1112 transitions. Second operand has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-02-16 04:19:10,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:10,677 INFO L93 Difference]: Finished difference Result 2369 states and 2890 transitions. [2023-02-16 04:19:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-16 04:19:10,678 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 235 [2023-02-16 04:19:10,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:10,687 INFO L225 Difference]: With dead ends: 2369 [2023-02-16 04:19:10,687 INFO L226 Difference]: Without dead ends: 2368 [2023-02-16 04:19:10,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-16 04:19:10,693 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 702 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:10,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 832 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:19:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2023-02-16 04:19:10,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 1065. [2023-02-16 04:19:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 863 states have (on average 1.1135573580533025) internal successors, (961), 852 states have internal predecessors, (961), 139 states have call successors, (139), 43 states have call predecessors, (139), 59 states have return successors, (204), 169 states have call predecessors, (204), 139 states have call successors, (204) [2023-02-16 04:19:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1304 transitions. [2023-02-16 04:19:10,796 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1304 transitions. Word has length 235 [2023-02-16 04:19:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:10,797 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1304 transitions. [2023-02-16 04:19:10,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5698924731182795) internal successors, (239), 94 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-02-16 04:19:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1304 transitions. [2023-02-16 04:19:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-02-16 04:19:10,800 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:10,800 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 16, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:10,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:11,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:11,006 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:11,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:11,006 INFO L85 PathProgramCache]: Analyzing trace with hash -2074477219, now seen corresponding path program 2 times [2023-02-16 04:19:11,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:11,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185797340] [2023-02-16 04:19:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-16 04:19:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2023-02-16 04:19:11,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185797340] [2023-02-16 04:19:11,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185797340] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656533952] [2023-02-16 04:19:11,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:19:11,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:11,241 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:11,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-02-16 04:19:11,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:19:11,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:11,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-16 04:19:11,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2023-02-16 04:19:11,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 312 proven. 12 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2023-02-16 04:19:11,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656533952] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:11,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:11,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2023-02-16 04:19:11,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187684271] [2023-02-16 04:19:11,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:11,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:19:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:19:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:19:11,764 INFO L87 Difference]: Start difference. First operand 1065 states and 1304 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2023-02-16 04:19:11,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:11,907 INFO L93 Difference]: Finished difference Result 1480 states and 1994 transitions. [2023-02-16 04:19:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-16 04:19:11,908 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) Word has length 255 [2023-02-16 04:19:11,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:11,914 INFO L225 Difference]: With dead ends: 1480 [2023-02-16 04:19:11,914 INFO L226 Difference]: Without dead ends: 1473 [2023-02-16 04:19:11,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 547 SyntacticMatches, 10 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:19:11,916 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 18 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:11,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 261 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:19:11,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2023-02-16 04:19:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1253. [2023-02-16 04:19:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1020 states have (on average 1.119607843137255) internal successors, (1142), 988 states have internal predecessors, (1142), 152 states have call successors, (152), 43 states have call predecessors, (152), 77 states have return successors, (343), 221 states have call predecessors, (343), 152 states have call successors, (343) [2023-02-16 04:19:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1637 transitions. [2023-02-16 04:19:11,983 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1637 transitions. Word has length 255 [2023-02-16 04:19:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:11,984 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1637 transitions. [2023-02-16 04:19:11,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2023-02-16 04:19:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1637 transitions. [2023-02-16 04:19:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-02-16 04:19:11,987 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:11,988 INFO L195 NwaCegarLoop]: trace histogram [25, 23, 17, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:11,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:12,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:12,193 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:12,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2017853819, now seen corresponding path program 3 times [2023-02-16 04:19:12,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:12,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766364092] [2023-02-16 04:19:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:12,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-02-16 04:19:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-02-16 04:19:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 356 proven. 64 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2023-02-16 04:19:12,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:12,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766364092] [2023-02-16 04:19:12,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766364092] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:12,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479131563] [2023-02-16 04:19:12,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:19:12,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:12,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:12,511 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:12,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-02-16 04:19:12,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-02-16 04:19:12,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:12,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:19:12,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2023-02-16 04:19:12,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:19:12,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479131563] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:19:12,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-16 04:19:12,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 17 [2023-02-16 04:19:12,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183196760] [2023-02-16 04:19:12,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:19:12,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:19:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:19:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:19:12,619 INFO L87 Difference]: Start difference. First operand 1253 states and 1637 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-16 04:19:12,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:12,680 INFO L93 Difference]: Finished difference Result 1319 states and 1715 transitions. [2023-02-16 04:19:12,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:19:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 258 [2023-02-16 04:19:12,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:12,686 INFO L225 Difference]: With dead ends: 1319 [2023-02-16 04:19:12,687 INFO L226 Difference]: Without dead ends: 1318 [2023-02-16 04:19:12,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:19:12,692 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:12,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 112 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:19:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-02-16 04:19:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1239. [2023-02-16 04:19:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1006 states have (on average 1.121272365805169) internal successors, (1128), 981 states have internal predecessors, (1128), 152 states have call successors, (152), 43 states have call predecessors, (152), 77 states have return successors, (343), 214 states have call predecessors, (343), 152 states have call successors, (343) [2023-02-16 04:19:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1623 transitions. [2023-02-16 04:19:12,765 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1623 transitions. Word has length 258 [2023-02-16 04:19:12,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:12,767 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1623 transitions. [2023-02-16 04:19:12,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-16 04:19:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1623 transitions. [2023-02-16 04:19:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-02-16 04:19:12,769 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:12,770 INFO L195 NwaCegarLoop]: trace histogram [28, 26, 19, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:12,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:12,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-02-16 04:19:12,975 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:12,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:12,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2099787919, now seen corresponding path program 1 times [2023-02-16 04:19:12,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:12,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305696452] [2023-02-16 04:19:12,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-02-16 04:19:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-02-16 04:19:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-16 04:19:13,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:13,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305696452] [2023-02-16 04:19:13,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305696452] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:13,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261804439] [2023-02-16 04:19:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:13,261 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:13,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-02-16 04:19:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:13,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:19:13,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-16 04:19:13,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 424 proven. 111 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-02-16 04:19:13,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261804439] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:13,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:13,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 16 [2023-02-16 04:19:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630222007] [2023-02-16 04:19:13,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-16 04:19:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:13,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-16 04:19:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-02-16 04:19:13,661 INFO L87 Difference]: Start difference. First operand 1239 states and 1623 transitions. Second operand has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2023-02-16 04:19:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:13,989 INFO L93 Difference]: Finished difference Result 2336 states and 3298 transitions. [2023-02-16 04:19:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-16 04:19:13,989 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 290 [2023-02-16 04:19:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:13,997 INFO L225 Difference]: With dead ends: 2336 [2023-02-16 04:19:13,997 INFO L226 Difference]: Without dead ends: 1546 [2023-02-16 04:19:14,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 620 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:19:14,004 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 138 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:14,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 254 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:19:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2023-02-16 04:19:14,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1437. [2023-02-16 04:19:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1158 states have (on average 1.1070811744386875) internal successors, (1282), 1138 states have internal predecessors, (1282), 185 states have call successors, (185), 49 states have call predecessors, (185), 90 states have return successors, (367), 249 states have call predecessors, (367), 178 states have call successors, (367) [2023-02-16 04:19:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1834 transitions. [2023-02-16 04:19:14,086 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1834 transitions. Word has length 290 [2023-02-16 04:19:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:14,086 INFO L495 AbstractCegarLoop]: Abstraction has 1437 states and 1834 transitions. [2023-02-16 04:19:14,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2023-02-16 04:19:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1834 transitions. [2023-02-16 04:19:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-02-16 04:19:14,089 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:14,089 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 17, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:14,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:14,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-02-16 04:19:14,296 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:14,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:14,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1185222851, now seen corresponding path program 4 times [2023-02-16 04:19:14,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:14,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589880908] [2023-02-16 04:19:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-02-16 04:19:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-16 04:19:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 423 proven. 55 refuted. 0 times theorem prover too weak. 1267 trivial. 0 not checked. [2023-02-16 04:19:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:14,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589880908] [2023-02-16 04:19:14,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589880908] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:14,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118364223] [2023-02-16 04:19:14,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:19:14,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:14,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:14,579 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:14,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-02-16 04:19:14,669 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:19:14,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:14,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-16 04:19:14,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 489 proven. 263 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-02-16 04:19:14,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 481 proven. 272 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-02-16 04:19:15,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118364223] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:15,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:15,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 33 [2023-02-16 04:19:15,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110547374] [2023-02-16 04:19:15,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:15,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-02-16 04:19:15,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:15,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-02-16 04:19:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2023-02-16 04:19:15,646 INFO L87 Difference]: Start difference. First operand 1437 states and 1834 transitions. Second operand has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) [2023-02-16 04:19:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:17,445 INFO L93 Difference]: Finished difference Result 3977 states and 5800 transitions. [2023-02-16 04:19:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-02-16 04:19:17,449 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) Word has length 263 [2023-02-16 04:19:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:17,463 INFO L225 Difference]: With dead ends: 3977 [2023-02-16 04:19:17,464 INFO L226 Difference]: Without dead ends: 2982 [2023-02-16 04:19:17,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 561 SyntacticMatches, 10 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1008, Invalid=4394, Unknown=0, NotChecked=0, Total=5402 [2023-02-16 04:19:17,473 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1077 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 2258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:17,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 586 Invalid, 2258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-16 04:19:17,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2023-02-16 04:19:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2369. [2023-02-16 04:19:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1903 states have (on average 1.1192853389385182) internal successors, (2130), 1853 states have internal predecessors, (2130), 304 states have call successors, (304), 75 states have call predecessors, (304), 158 states have return successors, (897), 440 states have call predecessors, (897), 292 states have call successors, (897) [2023-02-16 04:19:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3331 transitions. [2023-02-16 04:19:17,658 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3331 transitions. Word has length 263 [2023-02-16 04:19:17,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:17,658 INFO L495 AbstractCegarLoop]: Abstraction has 2369 states and 3331 transitions. [2023-02-16 04:19:17,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.757575757575758) internal successors, (157), 32 states have internal predecessors, (157), 17 states have call successors, (22), 3 states have call predecessors, (22), 8 states have return successors, (23), 13 states have call predecessors, (23), 15 states have call successors, (23) [2023-02-16 04:19:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3331 transitions. [2023-02-16 04:19:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-02-16 04:19:17,663 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:17,663 INFO L195 NwaCegarLoop]: trace histogram [33, 30, 23, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:17,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:17,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-02-16 04:19:17,869 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash -395664352, now seen corresponding path program 2 times [2023-02-16 04:19:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:17,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608530483] [2023-02-16 04:19:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-16 04:19:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-02-16 04:19:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-02-16 04:19:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-02-16 04:19:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 699 proven. 277 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2023-02-16 04:19:18,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:18,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608530483] [2023-02-16 04:19:18,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608530483] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:18,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782528756] [2023-02-16 04:19:18,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:19:18,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:18,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:18,178 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:18,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-02-16 04:19:18,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:19:18,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:18,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:19:18,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 1651 proven. 3 refuted. 0 times theorem prover too weak. 1283 trivial. 0 not checked. [2023-02-16 04:19:18,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2937 backedges. 596 proven. 243 refuted. 0 times theorem prover too weak. 2098 trivial. 0 not checked. [2023-02-16 04:19:18,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782528756] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:18,720 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:18,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 22 [2023-02-16 04:19:18,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108433879] [2023-02-16 04:19:18,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:18,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-16 04:19:18,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:18,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-16 04:19:18,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2023-02-16 04:19:18,723 INFO L87 Difference]: Start difference. First operand 2369 states and 3331 transitions. Second operand has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) [2023-02-16 04:19:19,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:19,471 INFO L93 Difference]: Finished difference Result 4232 states and 6323 transitions. [2023-02-16 04:19:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-16 04:19:19,471 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) Word has length 334 [2023-02-16 04:19:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:19,482 INFO L225 Difference]: With dead ends: 4232 [2023-02-16 04:19:19,483 INFO L226 Difference]: Without dead ends: 2079 [2023-02-16 04:19:19,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 712 SyntacticMatches, 8 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=391, Invalid=2059, Unknown=0, NotChecked=0, Total=2450 [2023-02-16 04:19:19,499 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 123 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:19,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 305 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 04:19:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2023-02-16 04:19:19,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1870. [2023-02-16 04:19:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1508 states have (on average 1.1160477453580901) internal successors, (1683), 1473 states have internal predecessors, (1683), 236 states have call successors, (236), 75 states have call predecessors, (236), 122 states have return successors, (544), 321 states have call predecessors, (544), 231 states have call successors, (544) [2023-02-16 04:19:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2463 transitions. [2023-02-16 04:19:19,606 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2463 transitions. Word has length 334 [2023-02-16 04:19:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:19,606 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 2463 transitions. [2023-02-16 04:19:19,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 12 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (22), 12 states have call predecessors, (22), 12 states have call successors, (22) [2023-02-16 04:19:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2463 transitions. [2023-02-16 04:19:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-02-16 04:19:19,615 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:19,616 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 24, 15, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:19,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:19,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-02-16 04:19:19,822 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1763269518, now seen corresponding path program 3 times [2023-02-16 04:19:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:19,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580367865] [2023-02-16 04:19:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-02-16 04:19:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-02-16 04:19:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-16 04:19:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-02-16 04:19:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-02-16 04:19:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 624 proven. 298 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2023-02-16 04:19:20,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:20,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580367865] [2023-02-16 04:19:20,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580367865] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:20,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269997690] [2023-02-16 04:19:20,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:19:20,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:20,083 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:20,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-02-16 04:19:20,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-02-16 04:19:20,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:20,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:19:20,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 382 proven. 10 refuted. 0 times theorem prover too weak. 2699 trivial. 0 not checked. [2023-02-16 04:19:20,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 382 proven. 10 refuted. 0 times theorem prover too weak. 2699 trivial. 0 not checked. [2023-02-16 04:19:20,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269997690] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:20,684 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:20,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 21 [2023-02-16 04:19:20,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066516071] [2023-02-16 04:19:20,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:20,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-16 04:19:20,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:20,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-16 04:19:20,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-02-16 04:19:20,686 INFO L87 Difference]: Start difference. First operand 1870 states and 2463 transitions. Second operand has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-16 04:19:21,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:21,329 INFO L93 Difference]: Finished difference Result 2554 states and 3415 transitions. [2023-02-16 04:19:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-02-16 04:19:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) Word has length 340 [2023-02-16 04:19:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:21,339 INFO L225 Difference]: With dead ends: 2554 [2023-02-16 04:19:21,339 INFO L226 Difference]: Without dead ends: 2083 [2023-02-16 04:19:21,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 728 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=406, Invalid=2144, Unknown=0, NotChecked=0, Total=2550 [2023-02-16 04:19:21,342 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 132 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:21,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 277 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:19:21,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2023-02-16 04:19:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1831. [2023-02-16 04:19:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1477 states have (on average 1.0900473933649288) internal successors, (1610), 1449 states have internal predecessors, (1610), 228 states have call successors, (228), 75 states have call predecessors, (228), 122 states have return successors, (548), 306 states have call predecessors, (548), 228 states have call successors, (548) [2023-02-16 04:19:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2386 transitions. [2023-02-16 04:19:21,443 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2386 transitions. Word has length 340 [2023-02-16 04:19:21,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:21,444 INFO L495 AbstractCegarLoop]: Abstraction has 1831 states and 2386 transitions. [2023-02-16 04:19:21,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 19 states have internal predecessors, (95), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (14), 10 states have call predecessors, (14), 8 states have call successors, (14) [2023-02-16 04:19:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2386 transitions. [2023-02-16 04:19:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-02-16 04:19:21,448 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:21,448 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 28, 17, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:21,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:21,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-02-16 04:19:21,655 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1042379107, now seen corresponding path program 5 times [2023-02-16 04:19:21,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:21,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866251014] [2023-02-16 04:19:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:21,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-16 04:19:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-02-16 04:19:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-02-16 04:19:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-16 04:19:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-02-16 04:19:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2023-02-16 04:19:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 857 proven. 578 refuted. 0 times theorem prover too weak. 3086 trivial. 0 not checked. [2023-02-16 04:19:22,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866251014] [2023-02-16 04:19:22,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866251014] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029525418] [2023-02-16 04:19:22,318 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:19:22,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:22,321 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:22,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-02-16 04:19:22,412 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-02-16 04:19:22,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:22,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-16 04:19:22,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 2223 proven. 27 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2023-02-16 04:19:22,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 671 proven. 259 refuted. 0 times theorem prover too weak. 3591 trivial. 0 not checked. [2023-02-16 04:19:22,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029525418] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:22,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:22,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 33 [2023-02-16 04:19:22,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221424941] [2023-02-16 04:19:22,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:22,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-02-16 04:19:22,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:22,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-02-16 04:19:22,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2023-02-16 04:19:22,861 INFO L87 Difference]: Start difference. First operand 1831 states and 2386 transitions. Second operand has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2023-02-16 04:19:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:24,256 INFO L93 Difference]: Finished difference Result 3944 states and 5684 transitions. [2023-02-16 04:19:24,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-16 04:19:24,257 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 408 [2023-02-16 04:19:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:24,283 INFO L225 Difference]: With dead ends: 3944 [2023-02-16 04:19:24,283 INFO L226 Difference]: Without dead ends: 2555 [2023-02-16 04:19:24,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 869 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=477, Invalid=4079, Unknown=0, NotChecked=0, Total=4556 [2023-02-16 04:19:24,295 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 284 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:24,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 460 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-16 04:19:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2023-02-16 04:19:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2171. [2023-02-16 04:19:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1755 states have (on average 1.086039886039886) internal successors, (1906), 1725 states have internal predecessors, (1906), 269 states have call successors, (269), 94 states have call predecessors, (269), 143 states have return successors, (662), 351 states have call predecessors, (662), 265 states have call successors, (662) [2023-02-16 04:19:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2837 transitions. [2023-02-16 04:19:24,429 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2837 transitions. Word has length 408 [2023-02-16 04:19:24,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:24,430 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2837 transitions. [2023-02-16 04:19:24,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2023-02-16 04:19:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2837 transitions. [2023-02-16 04:19:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-02-16 04:19:24,434 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:24,434 INFO L195 NwaCegarLoop]: trace histogram [37, 35, 25, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:24,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:24,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2023-02-16 04:19:24,640 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:24,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:24,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1811704554, now seen corresponding path program 6 times [2023-02-16 04:19:24,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:24,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872353614] [2023-02-16 04:19:24,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:24,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:19:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:19:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:19:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-02-16 04:19:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-02-16 04:19:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-02-16 04:19:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-02-16 04:19:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-02-16 04:19:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-02-16 04:19:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 457 proven. 218 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked. [2023-02-16 04:19:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:24,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872353614] [2023-02-16 04:19:24,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872353614] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:24,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012487112] [2023-02-16 04:19:24,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:19:24,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:24,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:25,001 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:25,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-02-16 04:19:25,158 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-02-16 04:19:25,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-16 04:19:25,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 1682 proven. 234 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2023-02-16 04:19:25,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 310 proven. 332 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2023-02-16 04:19:25,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012487112] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:25,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:25,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 40 [2023-02-16 04:19:25,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096552328] [2023-02-16 04:19:25,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:25,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-02-16 04:19:25,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:25,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-02-16 04:19:25,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1402, Unknown=0, NotChecked=0, Total=1560 [2023-02-16 04:19:25,860 INFO L87 Difference]: Start difference. First operand 2171 states and 2837 transitions. Second operand has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) [2023-02-16 04:19:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:27,828 INFO L93 Difference]: Finished difference Result 4038 states and 5309 transitions. [2023-02-16 04:19:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-02-16 04:19:27,829 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) Word has length 381 [2023-02-16 04:19:27,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:27,837 INFO L225 Difference]: With dead ends: 4038 [2023-02-16 04:19:27,838 INFO L226 Difference]: Without dead ends: 2264 [2023-02-16 04:19:27,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 915 GetRequests, 804 SyntacticMatches, 5 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3223 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1726, Invalid=9830, Unknown=0, NotChecked=0, Total=11556 [2023-02-16 04:19:27,844 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 230 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:27,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1107 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-16 04:19:27,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2023-02-16 04:19:27,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2235. [2023-02-16 04:19:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 1815 states have (on average 1.0831955922865013) internal successors, (1966), 1778 states have internal predecessors, (1966), 273 states have call successors, (273), 94 states have call predecessors, (273), 143 states have return successors, (667), 362 states have call predecessors, (667), 269 states have call successors, (667) [2023-02-16 04:19:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2906 transitions. [2023-02-16 04:19:27,987 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2906 transitions. Word has length 381 [2023-02-16 04:19:27,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:27,987 INFO L495 AbstractCegarLoop]: Abstraction has 2235 states and 2906 transitions. [2023-02-16 04:19:27,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) [2023-02-16 04:19:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2906 transitions. [2023-02-16 04:19:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2023-02-16 04:19:27,991 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:27,992 INFO L195 NwaCegarLoop]: trace histogram [44, 40, 30, 18, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:28,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-02-16 04:19:28,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:28,199 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:28,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:28,199 INFO L85 PathProgramCache]: Analyzing trace with hash -615905234, now seen corresponding path program 7 times [2023-02-16 04:19:28,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:28,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059991645] [2023-02-16 04:19:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:28,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:19:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:19:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:19:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-16 04:19:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:19:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-16 04:19:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-16 04:19:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-02-16 04:19:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-02-16 04:19:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2023-02-16 04:19:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-02-16 04:19:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 604 proven. 179 refuted. 0 times theorem prover too weak. 4484 trivial. 0 not checked. [2023-02-16 04:19:28,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059991645] [2023-02-16 04:19:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059991645] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172423014] [2023-02-16 04:19:28,526 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-16 04:19:28,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:28,527 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:28,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-02-16 04:19:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:28,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-16 04:19:28,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 2242 proven. 6 refuted. 0 times theorem prover too weak. 3019 trivial. 0 not checked. [2023-02-16 04:19:28,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 604 proven. 179 refuted. 0 times theorem prover too weak. 4484 trivial. 0 not checked. [2023-02-16 04:19:28,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172423014] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:28,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:28,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2023-02-16 04:19:28,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290738410] [2023-02-16 04:19:28,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:28,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:19:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:28,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:19:28,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:19:28,968 INFO L87 Difference]: Start difference. First operand 2235 states and 2906 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-02-16 04:19:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:29,190 INFO L93 Difference]: Finished difference Result 3109 states and 4152 transitions. [2023-02-16 04:19:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:19:29,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 440 [2023-02-16 04:19:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:29,198 INFO L225 Difference]: With dead ends: 3109 [2023-02-16 04:19:29,198 INFO L226 Difference]: Without dead ends: 2228 [2023-02-16 04:19:29,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 955 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:19:29,206 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 99 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:29,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 172 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:19:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2023-02-16 04:19:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2207. [2023-02-16 04:19:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 1794 states have (on average 1.084169453734671) internal successors, (1945), 1757 states have internal predecessors, (1945), 266 states have call successors, (266), 94 states have call predecessors, (266), 143 states have return successors, (647), 355 states have call predecessors, (647), 266 states have call successors, (647) [2023-02-16 04:19:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2858 transitions. [2023-02-16 04:19:29,368 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2858 transitions. Word has length 440 [2023-02-16 04:19:29,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:29,369 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 2858 transitions. [2023-02-16 04:19:29,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-02-16 04:19:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2858 transitions. [2023-02-16 04:19:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2023-02-16 04:19:29,373 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:29,373 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 29, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:29,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:29,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:29,579 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2106644405, now seen corresponding path program 8 times [2023-02-16 04:19:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:29,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897506284] [2023-02-16 04:19:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:19:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:19:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:19:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-16 04:19:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:19:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-16 04:19:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-16 04:19:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2023-02-16 04:19:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-02-16 04:19:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2023-02-16 04:19:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 554 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2023-02-16 04:19:29,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:29,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897506284] [2023-02-16 04:19:29,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897506284] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:29,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978758117] [2023-02-16 04:19:29,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:19:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:29,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:29,971 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:29,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-02-16 04:19:30,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:19:30,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:30,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-16 04:19:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 1588 proven. 347 refuted. 0 times theorem prover too weak. 2947 trivial. 0 not checked. [2023-02-16 04:19:30,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4882 backedges. 554 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2023-02-16 04:19:30,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978758117] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:30,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:30,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 20 [2023-02-16 04:19:30,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406766906] [2023-02-16 04:19:30,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:30,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-16 04:19:30,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:30,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-16 04:19:30,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-02-16 04:19:30,628 INFO L87 Difference]: Start difference. First operand 2207 states and 2858 transitions. Second operand has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-16 04:19:31,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:31,202 INFO L93 Difference]: Finished difference Result 2747 states and 3578 transitions. [2023-02-16 04:19:31,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-16 04:19:31,203 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 425 [2023-02-16 04:19:31,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:31,210 INFO L225 Difference]: With dead ends: 2747 [2023-02-16 04:19:31,210 INFO L226 Difference]: Without dead ends: 2375 [2023-02-16 04:19:31,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 912 SyntacticMatches, 12 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2023-02-16 04:19:31,212 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 339 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:31,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 369 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:19:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2023-02-16 04:19:31,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2220. [2023-02-16 04:19:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 1804 states have (on average 1.0842572062084257) internal successors, (1956), 1769 states have internal predecessors, (1956), 265 states have call successors, (265), 99 states have call predecessors, (265), 147 states have return successors, (632), 351 states have call predecessors, (632), 265 states have call successors, (632) [2023-02-16 04:19:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 2853 transitions. [2023-02-16 04:19:31,348 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 2853 transitions. Word has length 425 [2023-02-16 04:19:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:31,348 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 2853 transitions. [2023-02-16 04:19:31,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2023-02-16 04:19:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2853 transitions. [2023-02-16 04:19:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2023-02-16 04:19:31,354 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:31,354 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 31, 17, 15, 15, 15, 15, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-16 04:19:31,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:31,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2023-02-16 04:19:31,560 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1269595166, now seen corresponding path program 9 times [2023-02-16 04:19:31,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:31,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848332290] [2023-02-16 04:19:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:31,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-02-16 04:19:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-02-16 04:19:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-02-16 04:19:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-02-16 04:19:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-02-16 04:19:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-02-16 04:19:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-02-16 04:19:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-02-16 04:19:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-02-16 04:19:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2023-02-16 04:19:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5074 backedges. 638 proven. 268 refuted. 0 times theorem prover too weak. 4168 trivial. 0 not checked. [2023-02-16 04:19:31,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:31,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848332290] [2023-02-16 04:19:31,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848332290] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:31,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233395111] [2023-02-16 04:19:31,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:19:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:31,953 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:31,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-02-16 04:19:32,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-02-16 04:19:32,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:32,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-16 04:19:32,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5074 backedges. 2672 proven. 26 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2023-02-16 04:19:32,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5074 backedges. 742 proven. 261 refuted. 0 times theorem prover too weak. 4071 trivial. 0 not checked. [2023-02-16 04:19:32,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233395111] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:32,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:32,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 20 [2023-02-16 04:19:32,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869365344] [2023-02-16 04:19:32,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:32,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-16 04:19:32,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:32,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-16 04:19:32,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-02-16 04:19:32,404 INFO L87 Difference]: Start difference. First operand 2220 states and 2853 transitions. Second operand has 20 states, 20 states have (on average 5.7) internal successors, (114), 20 states have internal predecessors, (114), 8 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2023-02-16 04:19:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:33,139 INFO L93 Difference]: Finished difference Result 3989 states and 5220 transitions. [2023-02-16 04:19:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-02-16 04:19:33,139 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.7) internal successors, (114), 20 states have internal predecessors, (114), 8 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 438 [2023-02-16 04:19:33,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:33,148 INFO L225 Difference]: With dead ends: 3989 [2023-02-16 04:19:33,148 INFO L226 Difference]: Without dead ends: 2341 [2023-02-16 04:19:33,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 945 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=319, Invalid=1661, Unknown=0, NotChecked=0, Total=1980 [2023-02-16 04:19:33,154 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 132 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:33,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 197 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-16 04:19:33,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2023-02-16 04:19:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 2240. [2023-02-16 04:19:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 1815 states have (on average 1.0853994490358128) internal successors, (1970), 1786 states have internal predecessors, (1970), 274 states have call successors, (274), 102 states have call predecessors, (274), 147 states have return successors, (648), 351 states have call predecessors, (648), 274 states have call successors, (648) [2023-02-16 04:19:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2892 transitions. [2023-02-16 04:19:33,319 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2892 transitions. Word has length 438 [2023-02-16 04:19:33,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:33,319 INFO L495 AbstractCegarLoop]: Abstraction has 2240 states and 2892 transitions. [2023-02-16 04:19:33,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.7) internal successors, (114), 20 states have internal predecessors, (114), 8 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2023-02-16 04:19:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2892 transitions. [2023-02-16 04:19:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2023-02-16 04:19:33,324 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:33,324 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2023-02-16 04:19:33,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:33,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:33,531 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:33,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -512290434, now seen corresponding path program 5 times [2023-02-16 04:19:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:33,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297139926] [2023-02-16 04:19:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:19:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:19:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-16 04:19:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-16 04:19:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-16 04:19:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-16 04:19:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-16 04:19:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-16 04:19:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-16 04:19:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-16 04:19:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-16 04:19:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-16 04:19:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-16 04:19:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:19:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-16 04:19:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-16 04:19:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-16 04:19:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-16 04:19:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-16 04:19:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:19:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-02-16 04:19:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-02-16 04:19:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-02-16 04:19:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-02-16 04:19:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-02-16 04:19:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-02-16 04:19:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-16 04:19:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-02-16 04:19:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-02-16 04:19:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-02-16 04:19:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-02-16 04:19:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-02-16 04:19:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-02-16 04:19:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-02-16 04:19:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-02-16 04:19:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-16 04:19:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-02-16 04:19:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-02-16 04:19:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-02-16 04:19:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-02-16 04:19:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-02-16 04:19:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-02-16 04:19:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-02-16 04:19:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-16 04:19:37,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297139926] [2023-02-16 04:19:37,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297139926] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578585063] [2023-02-16 04:19:37,542 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:19:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:37,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:37,545 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:37,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-02-16 04:19:37,822 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-16 04:19:37,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:37,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 95 conjunts are in the unsatisfiable core [2023-02-16 04:19:37,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-16 04:19:38,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10810 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-02-16 04:19:44,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578585063] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:44,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:44,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2023-02-16 04:19:44,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30774579] [2023-02-16 04:19:44,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:44,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-16 04:19:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:44,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-16 04:19:44,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2023-02-16 04:19:44,112 INFO L87 Difference]: Start difference. First operand 2240 states and 2892 transitions. Second operand has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-02-16 04:19:53,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:53,437 INFO L93 Difference]: Finished difference Result 13190 states and 17857 transitions. [2023-02-16 04:19:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-16 04:19:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 475 [2023-02-16 04:19:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:53,477 INFO L225 Difference]: With dead ends: 13190 [2023-02-16 04:19:53,477 INFO L226 Difference]: Without dead ends: 13189 [2023-02-16 04:19:53,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2023-02-16 04:19:53,488 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2416 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:53,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 1504 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-16 04:19:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13189 states. [2023-02-16 04:19:54,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13189 to 2528. [2023-02-16 04:19:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2528 states, 2055 states have (on average 1.0987834549878346) internal successors, (2258), 2026 states have internal predecessors, (2258), 322 states have call successors, (322), 102 states have call predecessors, (322), 147 states have return successors, (696), 399 states have call predecessors, (696), 322 states have call successors, (696) [2023-02-16 04:19:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3276 transitions. [2023-02-16 04:19:54,078 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3276 transitions. Word has length 475 [2023-02-16 04:19:54,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:54,078 INFO L495 AbstractCegarLoop]: Abstraction has 2528 states and 3276 transitions. [2023-02-16 04:19:54,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.5343915343915344) internal successors, (479), 190 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-02-16 04:19:54,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3276 transitions. [2023-02-16 04:19:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2023-02-16 04:19:54,086 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:54,087 INFO L195 NwaCegarLoop]: trace histogram [67, 64, 49, 29, 23, 23, 23, 23, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 18, 17, 17, 16, 16, 16, 16, 16, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:19:54,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:54,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2023-02-16 04:19:54,294 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:54,295 INFO L85 PathProgramCache]: Analyzing trace with hash 51960085, now seen corresponding path program 10 times [2023-02-16 04:19:54,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:54,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161485987] [2023-02-16 04:19:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:19:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:19:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:19:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-16 04:19:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-02-16 04:19:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-02-16 04:19:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-16 04:19:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-02-16 04:19:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2023-02-16 04:19:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2023-02-16 04:19:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-02-16 04:19:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-02-16 04:19:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-02-16 04:19:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2023-02-16 04:19:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13116 backedges. 1277 proven. 267 refuted. 0 times theorem prover too weak. 11572 trivial. 0 not checked. [2023-02-16 04:19:54,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161485987] [2023-02-16 04:19:54,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161485987] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856267577] [2023-02-16 04:19:54,976 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:19:54,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:54,977 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:54,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-02-16 04:19:55,143 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:19:55,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:19:55,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-16 04:19:55,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:19:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13116 backedges. 4875 proven. 72 refuted. 0 times theorem prover too weak. 8169 trivial. 0 not checked. [2023-02-16 04:19:55,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:19:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13116 backedges. 1927 proven. 398 refuted. 0 times theorem prover too weak. 10791 trivial. 0 not checked. [2023-02-16 04:19:56,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856267577] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:19:56,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:19:56,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 18] total 44 [2023-02-16 04:19:56,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362929422] [2023-02-16 04:19:56,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:19:56,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-02-16 04:19:56,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:19:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-02-16 04:19:56,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1732, Unknown=0, NotChecked=0, Total=1892 [2023-02-16 04:19:56,343 INFO L87 Difference]: Start difference. First operand 2528 states and 3276 transitions. Second operand has 44 states, 44 states have (on average 4.295454545454546) internal successors, (189), 43 states have internal predecessors, (189), 22 states have call successors, (31), 5 states have call predecessors, (31), 7 states have return successors, (26), 16 states have call predecessors, (26), 17 states have call successors, (26) [2023-02-16 04:19:58,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:19:58,431 INFO L93 Difference]: Finished difference Result 5128 states and 6786 transitions. [2023-02-16 04:19:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-02-16 04:19:58,432 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.295454545454546) internal successors, (189), 43 states have internal predecessors, (189), 22 states have call successors, (31), 5 states have call predecessors, (31), 7 states have return successors, (26), 16 states have call predecessors, (26), 17 states have call successors, (26) Word has length 686 [2023-02-16 04:19:58,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:19:58,442 INFO L225 Difference]: With dead ends: 5128 [2023-02-16 04:19:58,442 INFO L226 Difference]: Without dead ends: 3242 [2023-02-16 04:19:58,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1579 GetRequests, 1474 SyntacticMatches, 9 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2667 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1017, Invalid=8489, Unknown=0, NotChecked=0, Total=9506 [2023-02-16 04:19:58,450 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 510 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-16 04:19:58,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 675 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-16 04:19:58,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2023-02-16 04:19:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 2696. [2023-02-16 04:19:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 2196 states have (on average 1.0938069216757742) internal successors, (2402), 2166 states have internal predecessors, (2402), 332 states have call successors, (332), 117 states have call predecessors, (332), 164 states have return successors, (662), 412 states have call predecessors, (662), 330 states have call successors, (662) [2023-02-16 04:19:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3396 transitions. [2023-02-16 04:19:58,725 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3396 transitions. Word has length 686 [2023-02-16 04:19:58,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:19:58,726 INFO L495 AbstractCegarLoop]: Abstraction has 2696 states and 3396 transitions. [2023-02-16 04:19:58,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.295454545454546) internal successors, (189), 43 states have internal predecessors, (189), 22 states have call successors, (31), 5 states have call predecessors, (31), 7 states have return successors, (26), 16 states have call predecessors, (26), 17 states have call successors, (26) [2023-02-16 04:19:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3396 transitions. [2023-02-16 04:19:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2023-02-16 04:19:58,733 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:19:58,733 INFO L195 NwaCegarLoop]: trace histogram [66, 65, 47, 27, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 19, 18, 18, 17, 17, 17, 17, 17, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:19:58,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2023-02-16 04:19:58,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:58,939 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:19:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:19:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash -313777608, now seen corresponding path program 11 times [2023-02-16 04:19:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:19:58,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999990450] [2023-02-16 04:19:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:19:58,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:19:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:19:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:19:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:19:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:19:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-16 04:19:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-02-16 04:19:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-02-16 04:19:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-02-16 04:19:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-02-16 04:19:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-02-16 04:19:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:19:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-02-16 04:19:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-02-16 04:19:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-02-16 04:19:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2023-02-16 04:19:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2023-02-16 04:19:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2023-02-16 04:19:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:19:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2023-02-16 04:19:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:19:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:19:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:19:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:19:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12934 backedges. 2014 proven. 415 refuted. 0 times theorem prover too weak. 10505 trivial. 0 not checked. [2023-02-16 04:19:59,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:19:59,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999990450] [2023-02-16 04:19:59,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999990450] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:19:59,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387258735] [2023-02-16 04:19:59,753 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:19:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:19:59,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:19:59,754 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:19:59,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-02-16 04:20:00,029 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2023-02-16 04:20:00,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:00,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-16 04:20:00,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12934 backedges. 1634 proven. 79 refuted. 0 times theorem prover too weak. 11221 trivial. 0 not checked. [2023-02-16 04:20:00,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12934 backedges. 1634 proven. 80 refuted. 0 times theorem prover too weak. 11220 trivial. 0 not checked. [2023-02-16 04:20:00,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387258735] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:00,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:00,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 14] total 36 [2023-02-16 04:20:00,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400930341] [2023-02-16 04:20:00,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:00,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-16 04:20:00,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:00,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-16 04:20:00,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2023-02-16 04:20:00,989 INFO L87 Difference]: Start difference. First operand 2696 states and 3396 transitions. Second operand has 36 states, 36 states have (on average 4.861111111111111) internal successors, (175), 36 states have internal predecessors, (175), 20 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (25), 15 states have call predecessors, (25), 20 states have call successors, (25) [2023-02-16 04:20:02,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:02,319 INFO L93 Difference]: Finished difference Result 4619 states and 6372 transitions. [2023-02-16 04:20:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-02-16 04:20:02,319 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.861111111111111) internal successors, (175), 36 states have internal predecessors, (175), 20 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (25), 15 states have call predecessors, (25), 20 states have call successors, (25) Word has length 682 [2023-02-16 04:20:02,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:02,328 INFO L225 Difference]: With dead ends: 4619 [2023-02-16 04:20:02,329 INFO L226 Difference]: Without dead ends: 2813 [2023-02-16 04:20:02,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1548 GetRequests, 1475 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=698, Invalid=3994, Unknown=0, NotChecked=0, Total=4692 [2023-02-16 04:20:02,338 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 317 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:02,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 724 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-16 04:20:02,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2023-02-16 04:20:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2437. [2023-02-16 04:20:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1982 states have (on average 1.0908173562058527) internal successors, (2162), 1967 states have internal predecessors, (2162), 307 states have call successors, (307), 104 states have call predecessors, (307), 144 states have return successors, (492), 365 states have call predecessors, (492), 306 states have call successors, (492) [2023-02-16 04:20:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 2961 transitions. [2023-02-16 04:20:02,633 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 2961 transitions. Word has length 682 [2023-02-16 04:20:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:02,634 INFO L495 AbstractCegarLoop]: Abstraction has 2437 states and 2961 transitions. [2023-02-16 04:20:02,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.861111111111111) internal successors, (175), 36 states have internal predecessors, (175), 20 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (25), 15 states have call predecessors, (25), 20 states have call successors, (25) [2023-02-16 04:20:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2961 transitions. [2023-02-16 04:20:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2023-02-16 04:20:02,642 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:02,642 INFO L195 NwaCegarLoop]: trace histogram [64, 63, 47, 26, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 17, 17, 17, 16, 16, 16, 16, 16, 5, 5, 5, 5, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:02,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2023-02-16 04:20:02,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-02-16 04:20:02,848 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1212925755, now seen corresponding path program 12 times [2023-02-16 04:20:02,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:02,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192989165] [2023-02-16 04:20:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:20:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-16 04:20:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-02-16 04:20:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-02-16 04:20:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-02-16 04:20:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-02-16 04:20:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-02-16 04:20:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:20:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-02-16 04:20:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-02-16 04:20:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2023-02-16 04:20:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-02-16 04:20:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-16 04:20:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-02-16 04:20:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2023-02-16 04:20:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12285 backedges. 593 proven. 515 refuted. 0 times theorem prover too weak. 11177 trivial. 0 not checked. [2023-02-16 04:20:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192989165] [2023-02-16 04:20:03,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192989165] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072240321] [2023-02-16 04:20:03,597 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:20:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:03,598 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:03,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-02-16 04:20:03,772 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-02-16 04:20:03,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:03,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-16 04:20:03,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12285 backedges. 3305 proven. 654 refuted. 0 times theorem prover too weak. 8326 trivial. 0 not checked. [2023-02-16 04:20:04,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12285 backedges. 3295 proven. 674 refuted. 0 times theorem prover too weak. 8316 trivial. 0 not checked. [2023-02-16 04:20:06,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072240321] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:06,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:06,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27, 30] total 59 [2023-02-16 04:20:06,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355533390] [2023-02-16 04:20:06,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:06,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-02-16 04:20:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:06,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-02-16 04:20:06,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=3196, Unknown=0, NotChecked=0, Total=3422 [2023-02-16 04:20:06,340 INFO L87 Difference]: Start difference. First operand 2437 states and 2961 transitions. Second operand has 59 states, 59 states have (on average 4.796610169491525) internal successors, (283), 58 states have internal predecessors, (283), 36 states have call successors, (45), 3 states have call predecessors, (45), 13 states have return successors, (46), 27 states have call predecessors, (46), 35 states have call successors, (46) [2023-02-16 04:20:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:11,803 INFO L93 Difference]: Finished difference Result 5435 states and 7459 transitions. [2023-02-16 04:20:11,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-02-16 04:20:11,804 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 4.796610169491525) internal successors, (283), 58 states have internal predecessors, (283), 36 states have call successors, (45), 3 states have call predecessors, (45), 13 states have return successors, (46), 27 states have call predecessors, (46), 35 states have call successors, (46) Word has length 665 [2023-02-16 04:20:11,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:11,819 INFO L225 Difference]: With dead ends: 5435 [2023-02-16 04:20:11,819 INFO L226 Difference]: Without dead ends: 3535 [2023-02-16 04:20:11,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1575 GetRequests, 1413 SyntacticMatches, 13 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5831 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2613, Invalid=20037, Unknown=0, NotChecked=0, Total=22650 [2023-02-16 04:20:11,830 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 854 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 6805 mSolverCounterSat, 1364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 8169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1364 IncrementalHoareTripleChecker+Valid, 6805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:11,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1883 Invalid, 8169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1364 Valid, 6805 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-02-16 04:20:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3535 states. [2023-02-16 04:20:12,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3535 to 3154. [2023-02-16 04:20:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2558 states have (on average 1.0789679437060202) internal successors, (2760), 2541 states have internal predecessors, (2760), 398 states have call successors, (398), 156 states have call predecessors, (398), 194 states have return successors, (819), 456 states have call predecessors, (819), 394 states have call successors, (819) [2023-02-16 04:20:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 3977 transitions. [2023-02-16 04:20:12,185 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 3977 transitions. Word has length 665 [2023-02-16 04:20:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:12,185 INFO L495 AbstractCegarLoop]: Abstraction has 3154 states and 3977 transitions. [2023-02-16 04:20:12,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.796610169491525) internal successors, (283), 58 states have internal predecessors, (283), 36 states have call successors, (45), 3 states have call predecessors, (45), 13 states have return successors, (46), 27 states have call predecessors, (46), 35 states have call successors, (46) [2023-02-16 04:20:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3977 transitions. [2023-02-16 04:20:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2023-02-16 04:20:12,194 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:12,194 INFO L195 NwaCegarLoop]: trace histogram [79, 77, 58, 34, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 25, 24, 21, 19, 19, 18, 18, 18, 18, 18, 7, 7, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:12,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2023-02-16 04:20:12,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2023-02-16 04:20:12,401 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:12,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:12,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1368418038, now seen corresponding path program 13 times [2023-02-16 04:20:12,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:12,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331277193] [2023-02-16 04:20:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:20:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-16 04:20:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-02-16 04:20:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-02-16 04:20:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-02-16 04:20:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-02-16 04:20:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-02-16 04:20:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:20:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-02-16 04:20:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-02-16 04:20:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-02-16 04:20:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2023-02-16 04:20:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-02-16 04:20:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2023-02-16 04:20:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2023-02-16 04:20:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2023-02-16 04:20:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18627 backedges. 1089 proven. 656 refuted. 0 times theorem prover too weak. 16882 trivial. 0 not checked. [2023-02-16 04:20:13,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:13,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331277193] [2023-02-16 04:20:13,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331277193] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:13,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518443765] [2023-02-16 04:20:13,217 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-16 04:20:13,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:13,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:13,221 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:13,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-02-16 04:20:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:13,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-16 04:20:13,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18627 backedges. 8960 proven. 387 refuted. 0 times theorem prover too weak. 9280 trivial. 0 not checked. [2023-02-16 04:20:13,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18627 backedges. 1089 proven. 656 refuted. 0 times theorem prover too weak. 16882 trivial. 0 not checked. [2023-02-16 04:20:14,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518443765] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:14,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:14,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 36 [2023-02-16 04:20:14,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956930421] [2023-02-16 04:20:14,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:14,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-16 04:20:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:14,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-16 04:20:14,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2023-02-16 04:20:14,458 INFO L87 Difference]: Start difference. First operand 3154 states and 3977 transitions. Second operand has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 18 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2023-02-16 04:20:15,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:15,379 INFO L93 Difference]: Finished difference Result 6043 states and 7637 transitions. [2023-02-16 04:20:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-02-16 04:20:15,380 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 18 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) Word has length 811 [2023-02-16 04:20:15,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:15,389 INFO L225 Difference]: With dead ends: 6043 [2023-02-16 04:20:15,389 INFO L226 Difference]: Without dead ends: 3623 [2023-02-16 04:20:15,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1826 GetRequests, 1742 SyntacticMatches, 23 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=675, Invalid=3231, Unknown=0, NotChecked=0, Total=3906 [2023-02-16 04:20:15,395 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 123 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:15,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 786 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:20:15,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2023-02-16 04:20:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 3421. [2023-02-16 04:20:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 2788 states have (on average 1.0760401721664274) internal successors, (3000), 2766 states have internal predecessors, (3000), 435 states have call successors, (435), 156 states have call predecessors, (435), 194 states have return successors, (893), 498 states have call predecessors, (893), 431 states have call successors, (893) [2023-02-16 04:20:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 4328 transitions. [2023-02-16 04:20:15,756 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 4328 transitions. Word has length 811 [2023-02-16 04:20:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:15,757 INFO L495 AbstractCegarLoop]: Abstraction has 3421 states and 4328 transitions. [2023-02-16 04:20:15,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.888888888888889) internal successors, (140), 36 states have internal predecessors, (140), 18 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2023-02-16 04:20:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 4328 transitions. [2023-02-16 04:20:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2023-02-16 04:20:15,765 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:15,765 INFO L195 NwaCegarLoop]: trace histogram [70, 69, 51, 29, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 19, 18, 18, 17, 17, 17, 17, 17, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:15,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2023-02-16 04:20:15,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2023-02-16 04:20:15,972 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:15,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:15,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1474310482, now seen corresponding path program 14 times [2023-02-16 04:20:15,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:15,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736240628] [2023-02-16 04:20:15,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:15,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:20:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-02-16 04:20:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-02-16 04:20:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-02-16 04:20:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-02-16 04:20:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-02-16 04:20:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-02-16 04:20:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:20:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-02-16 04:20:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-02-16 04:20:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2023-02-16 04:20:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2023-02-16 04:20:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2023-02-16 04:20:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2023-02-16 04:20:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-02-16 04:20:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14685 backedges. 1943 proven. 36 refuted. 0 times theorem prover too weak. 12706 trivial. 0 not checked. [2023-02-16 04:20:16,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:16,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736240628] [2023-02-16 04:20:16,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736240628] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:16,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402235125] [2023-02-16 04:20:16,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:20:16,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:16,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:16,601 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:16,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-02-16 04:20:16,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:20:16,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:16,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-16 04:20:16,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14685 backedges. 1943 proven. 36 refuted. 0 times theorem prover too weak. 12706 trivial. 0 not checked. [2023-02-16 04:20:16,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14685 backedges. 2000 proven. 36 refuted. 0 times theorem prover too weak. 12649 trivial. 0 not checked. [2023-02-16 04:20:17,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402235125] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:17,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:17,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 14 [2023-02-16 04:20:17,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51548153] [2023-02-16 04:20:17,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:17,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-16 04:20:17,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:17,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-16 04:20:17,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-02-16 04:20:17,867 INFO L87 Difference]: Start difference. First operand 3421 states and 4328 transitions. Second operand has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2023-02-16 04:20:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:18,363 INFO L93 Difference]: Finished difference Result 3692 states and 4770 transitions. [2023-02-16 04:20:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-16 04:20:18,364 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) Word has length 724 [2023-02-16 04:20:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:18,374 INFO L225 Difference]: With dead ends: 3692 [2023-02-16 04:20:18,374 INFO L226 Difference]: Without dead ends: 3662 [2023-02-16 04:20:18,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1611 GetRequests, 1579 SyntacticMatches, 15 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2023-02-16 04:20:18,376 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 18 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:18,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 263 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:20:18,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2023-02-16 04:20:18,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3521. [2023-02-16 04:20:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3521 states, 2876 states have (on average 1.0719749652294854) internal successors, (3083), 2838 states have internal predecessors, (3083), 443 states have call successors, (443), 155 states have call predecessors, (443), 198 states have return successors, (943), 527 states have call predecessors, (943), 439 states have call successors, (943) [2023-02-16 04:20:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 4469 transitions. [2023-02-16 04:20:18,835 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 4469 transitions. Word has length 724 [2023-02-16 04:20:18,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:18,835 INFO L495 AbstractCegarLoop]: Abstraction has 3521 states and 4469 transitions. [2023-02-16 04:20:18,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2023-02-16 04:20:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 4469 transitions. [2023-02-16 04:20:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-02-16 04:20:18,842 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:18,842 INFO L195 NwaCegarLoop]: trace histogram [60, 58, 44, 25, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 16, 16, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:18,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-02-16 04:20:19,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2023-02-16 04:20:19,042 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:19,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1573770309, now seen corresponding path program 6 times [2023-02-16 04:20:19,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:19,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593499275] [2023-02-16 04:20:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:19,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:20:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:20:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:20:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-16 04:20:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:20:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-16 04:20:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-16 04:20:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-16 04:20:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-16 04:20:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-16 04:20:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2023-02-16 04:20:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-02-16 04:20:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2023-02-16 04:20:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 476 proven. 586 refuted. 0 times theorem prover too weak. 9596 trivial. 0 not checked. [2023-02-16 04:20:19,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:19,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593499275] [2023-02-16 04:20:19,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593499275] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:19,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80947606] [2023-02-16 04:20:19,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:20:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:19,513 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:19,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-02-16 04:20:19,654 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-02-16 04:20:19,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:19,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:20:19,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 480 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2023-02-16 04:20:19,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 480 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2023-02-16 04:20:20,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80947606] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:20,314 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:20,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 25 [2023-02-16 04:20:20,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579062067] [2023-02-16 04:20:20,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:20,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-16 04:20:20,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:20,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-16 04:20:20,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2023-02-16 04:20:20,316 INFO L87 Difference]: Start difference. First operand 3521 states and 4469 transitions. Second operand has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-02-16 04:20:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:21,321 INFO L93 Difference]: Finished difference Result 4870 states and 6255 transitions. [2023-02-16 04:20:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-16 04:20:21,322 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 622 [2023-02-16 04:20:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:21,330 INFO L225 Difference]: With dead ends: 4870 [2023-02-16 04:20:21,330 INFO L226 Difference]: Without dead ends: 4858 [2023-02-16 04:20:21,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1351 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=389, Invalid=1963, Unknown=0, NotChecked=0, Total=2352 [2023-02-16 04:20:21,332 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 326 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:21,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 335 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:20:21,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4858 states. [2023-02-16 04:20:22,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4858 to 4811. [2023-02-16 04:20:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4811 states, 3923 states have (on average 1.0675503441243945) internal successors, (4188), 3860 states have internal predecessors, (4188), 597 states have call successors, (597), 206 states have call predecessors, (597), 288 states have return successors, (1381), 744 states have call predecessors, (1381), 589 states have call successors, (1381) [2023-02-16 04:20:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4811 states to 4811 states and 6166 transitions. [2023-02-16 04:20:22,016 INFO L78 Accepts]: Start accepts. Automaton has 4811 states and 6166 transitions. Word has length 622 [2023-02-16 04:20:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:22,017 INFO L495 AbstractCegarLoop]: Abstraction has 4811 states and 6166 transitions. [2023-02-16 04:20:22,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 5.761904761904762) internal successors, (121), 21 states have internal predecessors, (121), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2023-02-16 04:20:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4811 states and 6166 transitions. [2023-02-16 04:20:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2023-02-16 04:20:22,025 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:22,026 INFO L195 NwaCegarLoop]: trace histogram [87, 81, 66, 40, 33, 33, 33, 33, 32, 32, 32, 32, 32, 29, 29, 29, 28, 26, 21, 15, 15, 14, 14, 14, 14, 14, 7, 7, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:22,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-02-16 04:20:22,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:22,230 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:22,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:22,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1745894347, now seen corresponding path program 15 times [2023-02-16 04:20:22,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:22,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313722127] [2023-02-16 04:20:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:22,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-02-16 04:20:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-02-16 04:20:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-02-16 04:20:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-02-16 04:20:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:20:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-02-16 04:20:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-02-16 04:20:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-02-16 04:20:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-16 04:20:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-02-16 04:20:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:22,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-16 04:20:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2023-02-16 04:20:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2023-02-16 04:20:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2023-02-16 04:20:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2023-02-16 04:20:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-02-16 04:20:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-16 04:20:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-16 04:20:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22346 backedges. 2739 proven. 2582 refuted. 0 times theorem prover too weak. 17025 trivial. 0 not checked. [2023-02-16 04:20:23,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313722127] [2023-02-16 04:20:23,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313722127] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423526959] [2023-02-16 04:20:23,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:20:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:23,149 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:23,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-02-16 04:20:23,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-02-16 04:20:23,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:23,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 29 conjunts are in the unsatisfiable core [2023-02-16 04:20:23,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 22346 backedges. 12789 proven. 418 refuted. 0 times theorem prover too weak. 9139 trivial. 0 not checked. [2023-02-16 04:20:23,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 22346 backedges. 3393 proven. 3325 refuted. 0 times theorem prover too weak. 15628 trivial. 0 not checked. [2023-02-16 04:20:25,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423526959] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:25,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:25,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 26] total 49 [2023-02-16 04:20:25,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650579337] [2023-02-16 04:20:25,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:25,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-02-16 04:20:25,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-02-16 04:20:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2115, Unknown=0, NotChecked=0, Total=2352 [2023-02-16 04:20:25,262 INFO L87 Difference]: Start difference. First operand 4811 states and 6166 transitions. Second operand has 49 states, 49 states have (on average 5.36734693877551) internal successors, (263), 49 states have internal predecessors, (263), 31 states have call successors, (45), 2 states have call predecessors, (45), 12 states have return successors, (47), 23 states have call predecessors, (47), 31 states have call successors, (47) [2023-02-16 04:20:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:28,501 INFO L93 Difference]: Finished difference Result 9940 states and 14032 transitions. [2023-02-16 04:20:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-02-16 04:20:28,501 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 5.36734693877551) internal successors, (263), 49 states have internal predecessors, (263), 31 states have call successors, (45), 2 states have call predecessors, (45), 12 states have return successors, (47), 23 states have call predecessors, (47), 31 states have call successors, (47) Word has length 875 [2023-02-16 04:20:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:28,522 INFO L225 Difference]: With dead ends: 9940 [2023-02-16 04:20:28,522 INFO L226 Difference]: Without dead ends: 5918 [2023-02-16 04:20:28,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2010 GetRequests, 1876 SyntacticMatches, 13 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4344 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2147, Invalid=12859, Unknown=0, NotChecked=0, Total=15006 [2023-02-16 04:20:28,542 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 640 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 3339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:28,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 584 Invalid, 3339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-02-16 04:20:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5918 states. [2023-02-16 04:20:29,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5918 to 5487. [2023-02-16 04:20:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5487 states, 4482 states have (on average 1.0631414547077198) internal successors, (4765), 4429 states have internal predecessors, (4765), 696 states have call successors, (696), 251 states have call predecessors, (696), 306 states have return successors, (1573), 806 states have call predecessors, (1573), 688 states have call successors, (1573) [2023-02-16 04:20:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 7034 transitions. [2023-02-16 04:20:29,336 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 7034 transitions. Word has length 875 [2023-02-16 04:20:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:29,336 INFO L495 AbstractCegarLoop]: Abstraction has 5487 states and 7034 transitions. [2023-02-16 04:20:29,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.36734693877551) internal successors, (263), 49 states have internal predecessors, (263), 31 states have call successors, (45), 2 states have call predecessors, (45), 12 states have return successors, (47), 23 states have call predecessors, (47), 31 states have call successors, (47) [2023-02-16 04:20:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 7034 transitions. [2023-02-16 04:20:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2023-02-16 04:20:29,347 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:29,347 INFO L195 NwaCegarLoop]: trace histogram [91, 88, 69, 40, 34, 34, 34, 34, 32, 32, 32, 32, 32, 32, 32, 32, 31, 29, 22, 19, 19, 18, 18, 18, 18, 18, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-02-16 04:20:29,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-02-16 04:20:29,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:29,548 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:29,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:29,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1525114144, now seen corresponding path program 16 times [2023-02-16 04:20:29,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:29,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475963088] [2023-02-16 04:20:29,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:20:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-02-16 04:20:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-02-16 04:20:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-02-16 04:20:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-02-16 04:20:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-02-16 04:20:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-02-16 04:20:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-02-16 04:20:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-02-16 04:20:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-02-16 04:20:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2023-02-16 04:20:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2023-02-16 04:20:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2023-02-16 04:20:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2023-02-16 04:20:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-02-16 04:20:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-02-16 04:20:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-16 04:20:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 822 [2023-02-16 04:20:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-02-16 04:20:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-02-16 04:20:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-02-16 04:20:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-02-16 04:20:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 25186 backedges. 1494 proven. 716 refuted. 0 times theorem prover too weak. 22976 trivial. 0 not checked. [2023-02-16 04:20:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:30,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475963088] [2023-02-16 04:20:30,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475963088] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:30,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078222430] [2023-02-16 04:20:30,497 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:20:30,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:30,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:30,499 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:30,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-02-16 04:20:30,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:20:30,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:30,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 28 conjunts are in the unsatisfiable core [2023-02-16 04:20:30,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 25186 backedges. 8403 proven. 1070 refuted. 0 times theorem prover too weak. 15713 trivial. 0 not checked. [2023-02-16 04:20:31,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:20:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 25186 backedges. 2842 proven. 1733 refuted. 0 times theorem prover too weak. 20611 trivial. 0 not checked. [2023-02-16 04:20:32,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078222430] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:20:32,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:20:32,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22, 24] total 56 [2023-02-16 04:20:32,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206967221] [2023-02-16 04:20:32,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:20:32,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-02-16 04:20:32,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:20:32,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-02-16 04:20:32,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=2851, Unknown=0, NotChecked=0, Total=3080 [2023-02-16 04:20:32,885 INFO L87 Difference]: Start difference. First operand 5487 states and 7034 transitions. Second operand has 56 states, 56 states have (on average 4.303571428571429) internal successors, (241), 54 states have internal predecessors, (241), 31 states have call successors, (40), 5 states have call predecessors, (40), 9 states have return successors, (36), 21 states have call predecessors, (36), 26 states have call successors, (36) [2023-02-16 04:20:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:20:37,341 INFO L93 Difference]: Finished difference Result 10277 states and 13448 transitions. [2023-02-16 04:20:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-02-16 04:20:37,342 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 4.303571428571429) internal successors, (241), 54 states have internal predecessors, (241), 31 states have call successors, (40), 5 states have call predecessors, (40), 9 states have return successors, (36), 21 states have call predecessors, (36), 26 states have call successors, (36) Word has length 935 [2023-02-16 04:20:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:20:37,358 INFO L225 Difference]: With dead ends: 10277 [2023-02-16 04:20:37,358 INFO L226 Difference]: Without dead ends: 4931 [2023-02-16 04:20:37,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2165 GetRequests, 2008 SyntacticMatches, 12 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6236 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2264, Invalid=19198, Unknown=0, NotChecked=0, Total=21462 [2023-02-16 04:20:37,375 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 560 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 5133 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 5650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 5133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-02-16 04:20:37,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1286 Invalid, 5650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 5133 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-02-16 04:20:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4931 states. [2023-02-16 04:20:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4931 to 4415. [2023-02-16 04:20:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4415 states, 3581 states have (on average 1.059759843619101) internal successors, (3795), 3563 states have internal predecessors, (3795), 553 states have call successors, (553), 239 states have call predecessors, (553), 278 states have return successors, (1008), 612 states have call predecessors, (1008), 550 states have call successors, (1008) [2023-02-16 04:20:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4415 states to 4415 states and 5356 transitions. [2023-02-16 04:20:37,825 INFO L78 Accepts]: Start accepts. Automaton has 4415 states and 5356 transitions. Word has length 935 [2023-02-16 04:20:37,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:20:37,826 INFO L495 AbstractCegarLoop]: Abstraction has 4415 states and 5356 transitions. [2023-02-16 04:20:37,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.303571428571429) internal successors, (241), 54 states have internal predecessors, (241), 31 states have call successors, (40), 5 states have call predecessors, (40), 9 states have return successors, (36), 21 states have call predecessors, (36), 26 states have call successors, (36) [2023-02-16 04:20:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4415 states and 5356 transitions. [2023-02-16 04:20:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2023-02-16 04:20:37,835 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:20:37,835 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1] [2023-02-16 04:20:37,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2023-02-16 04:20:38,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2023-02-16 04:20:38,036 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:20:38,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:20:38,036 INFO L85 PathProgramCache]: Analyzing trace with hash 77558510, now seen corresponding path program 6 times [2023-02-16 04:20:38,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:20:38,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752960871] [2023-02-16 04:20:38,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:20:38,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:20:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-02-16 04:20:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-02-16 04:20:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-02-16 04:20:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-02-16 04:20:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-02-16 04:20:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-02-16 04:20:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-02-16 04:20:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-02-16 04:20:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-02-16 04:20:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-02-16 04:20:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-02-16 04:20:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-02-16 04:20:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-02-16 04:20:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-02-16 04:20:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-02-16 04:20:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-02-16 04:20:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-02-16 04:20:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-02-16 04:20:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-02-16 04:20:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-02-16 04:20:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-02-16 04:20:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-02-16 04:20:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-02-16 04:20:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-02-16 04:20:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-02-16 04:20:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-02-16 04:20:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-02-16 04:20:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-02-16 04:20:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-02-16 04:20:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-02-16 04:20:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-02-16 04:20:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-02-16 04:20:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-02-16 04:20:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2023-02-16 04:20:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-02-16 04:20:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-02-16 04:20:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-02-16 04:20:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-02-16 04:20:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-02-16 04:20:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2023-02-16 04:20:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-02-16 04:20:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-02-16 04:20:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-02-16 04:20:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-02-16 04:20:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2023-02-16 04:20:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-02-16 04:20:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-02-16 04:20:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2023-02-16 04:20:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2023-02-16 04:20:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2023-02-16 04:20:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2023-02-16 04:20:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2023-02-16 04:20:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-02-16 04:20:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2023-02-16 04:20:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2023-02-16 04:20:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2023-02-16 04:20:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2023-02-16 04:20:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2023-02-16 04:20:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2023-02-16 04:20:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-02-16 04:20:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2023-02-16 04:20:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2023-02-16 04:20:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2023-02-16 04:20:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2023-02-16 04:20:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2023-02-16 04:20:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2023-02-16 04:20:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2023-02-16 04:20:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2023-02-16 04:20:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2023-02-16 04:20:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2023-02-16 04:20:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2023-02-16 04:20:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2023-02-16 04:20:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2023-02-16 04:20:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2023-02-16 04:20:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2023-02-16 04:20:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2023-02-16 04:20:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2023-02-16 04:20:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2023-02-16 04:20:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2023-02-16 04:20:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2023-02-16 04:20:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2023-02-16 04:20:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2023-02-16 04:20:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-02-16 04:20:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2023-02-16 04:20:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-02-16 04:20:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-02-16 04:20:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2023-02-16 04:20:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-02-16 04:20:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2023-02-16 04:20:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-02-16 04:20:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2023-02-16 04:20:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-02-16 04:20:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2023-02-16 04:20:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-02-16 04:20:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-02-16 04:20:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:20:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-16 04:20:54,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:20:54,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752960871] [2023-02-16 04:20:54,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752960871] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:20:54,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093874729] [2023-02-16 04:20:54,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:20:54,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:20:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:20:54,101 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:20:54,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-02-16 04:20:54,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-16 04:20:54,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:20:54,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 191 conjunts are in the unsatisfiable core [2023-02-16 04:20:54,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:20:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-16 04:20:55,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:21:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 44650 backedges. 0 proven. 26790 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2023-02-16 04:21:18,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093874729] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:21:18,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:21:18,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2023-02-16 04:21:18,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375799891] [2023-02-16 04:21:18,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:21:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2023-02-16 04:21:18,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:21:18,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2023-02-16 04:21:18,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2023-02-16 04:21:18,602 INFO L87 Difference]: Start difference. First operand 4415 states and 5356 transitions. Second operand has 382 states, 381 states have (on average 2.5170603674540684) internal successors, (959), 382 states have internal predecessors, (959), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190)