./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 791161d1 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-?-791161d [2022-07-23 13:25:45,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:25:45,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:25:45,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:25:45,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:25:45,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:25:45,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:25:45,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:25:45,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:25:45,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:25:45,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:25:45,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:25:45,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:25:45,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:25:45,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:25:45,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:25:45,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:25:45,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:25:45,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:25:45,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:25:45,447 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:25:45,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:25:45,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:25:45,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:25:45,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:25:45,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:25:45,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:25:45,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:25:45,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:25:45,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:25:45,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:25:45,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:25:45,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:25:45,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:25:45,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:25:45,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:25:45,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:25:45,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:25:45,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:25:45,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:25:45,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:25:45,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:25:45,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-23 13:25:45,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:25:45,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:25:45,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:25:45,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:25:45,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:25:45,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:25:45,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:25:45,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:25:45,511 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:25:45,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:25:45,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:25:45,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:25:45,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:25:45,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:25:45,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:25:45,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:25:45,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:25:45,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:25:45,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:25:45,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:25:45,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:25:45,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:25:45,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:25:45,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:25:45,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:25:45,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2022-07-23 13:25:45,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:25:45,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:25:45,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:25:45,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:25:45,774 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:25:45,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2022-07-23 13:25:45,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47e14f7d/96cd9d8688d44c838f274ee9e6b24a3d/FLAG86299853c [2022-07-23 13:25:46,212 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:25:46,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2022-07-23 13:25:46,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47e14f7d/96cd9d8688d44c838f274ee9e6b24a3d/FLAG86299853c [2022-07-23 13:25:46,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47e14f7d/96cd9d8688d44c838f274ee9e6b24a3d [2022-07-23 13:25:46,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:25:46,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:25:46,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:25:46,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:25:46,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:25:46,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2180e1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46, skipping insertion in model container [2022-07-23 13:25:46,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:25:46,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:25:46,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:25:46,407 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:25:46,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:25:46,428 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:25:46,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46 WrapperNode [2022-07-23 13:25:46,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:25:46,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:25:46,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:25:46,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:25:46,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,456 INFO L137 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2022-07-23 13:25:46,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:25:46,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:25:46,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:25:46,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:25:46,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:25:46,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:25:46,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:25:46,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:25:46,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (1/1) ... [2022-07-23 13:25:46,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:25:46,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:46,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 13:25:46,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 13:25:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2022-07-23 13:25:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2022-07-23 13:25:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:25:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:25:46,594 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:25:46,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:25:46,720 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:25:46,726 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:25:46,726 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 13:25:46,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:25:46 BoogieIcfgContainer [2022-07-23 13:25:46,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:25:46,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:25:46,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:25:46,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:25:46,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:25:46" (1/3) ... [2022-07-23 13:25:46,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ade7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:25:46, skipping insertion in model container [2022-07-23 13:25:46,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:25:46" (2/3) ... [2022-07-23 13:25:46,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ade7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:25:46, skipping insertion in model container [2022-07-23 13:25:46,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:25:46" (3/3) ... [2022-07-23 13:25:46,750 INFO L111 eAbstractionObserver]: Analyzing ICFG Parts.c [2022-07-23 13:25:46,760 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:25:46,761 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-07-23 13:25:46,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 13:25:46,804 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60f334a1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@511831ad [2022-07-23 13:25:46,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-07-23 13:25:46,807 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) [2022-07-23 13:25:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-23 13:25:46,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:46,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:46,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:46,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash -602953989, now seen corresponding path program 1 times [2022-07-23 13:25:46,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:46,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675723348] [2022-07-23 13:25:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:46,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:46,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675723348] [2022-07-23 13:25:46,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675723348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:46,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:46,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 13:25:46,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426308090] [2022-07-23 13:25:46,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:46,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 13:25:46,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:46,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 13:25:46,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 13:25:46,984 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) [2022-07-23 13:25:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,014 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-07-23 13:25:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 13:25:47,017 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 [2022-07-23 13:25:47,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,026 INFO L225 Difference]: With dead ends: 86 [2022-07-23 13:25:47,026 INFO L226 Difference]: Without dead ends: 42 [2022-07-23 13:25:47,030 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 [2022-07-23 13:25:47,038 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 [2022-07-23 13:25:47,040 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] [2022-07-23 13:25:47,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-07-23 13:25:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-07-23 13:25:47,092 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) [2022-07-23 13:25:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2022-07-23 13:25:47,095 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 8 [2022-07-23 13:25:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,096 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2022-07-23 13:25:47,096 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) [2022-07-23 13:25:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-07-23 13:25:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-23 13:25:47,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 13:25:47,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash -602965521, now seen corresponding path program 1 times [2022-07-23 13:25:47,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74242339] [2022-07-23 13:25:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:47,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74242339] [2022-07-23 13:25:47,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74242339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 13:25:47,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883177258] [2022-07-23 13:25:47,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:25:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:25:47,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:25:47,207 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) [2022-07-23 13:25:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,259 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2022-07-23 13:25:47,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 13:25:47,260 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 [2022-07-23 13:25:47,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,261 INFO L225 Difference]: With dead ends: 81 [2022-07-23 13:25:47,262 INFO L226 Difference]: Without dead ends: 43 [2022-07-23 13:25:47,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:25:47,265 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 [2022-07-23 13:25:47,267 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] [2022-07-23 13:25:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-23 13:25:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-23 13:25:47,275 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) [2022-07-23 13:25:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-07-23 13:25:47,281 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 8 [2022-07-23 13:25:47,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,282 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-07-23 13:25:47,282 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) [2022-07-23 13:25:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-07-23 13:25:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-23 13:25:47,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 13:25:47,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1944725597, now seen corresponding path program 1 times [2022-07-23 13:25:47,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787868346] [2022-07-23 13:25:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:47,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787868346] [2022-07-23 13:25:47,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787868346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 13:25:47,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411322640] [2022-07-23 13:25:47,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:47,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:25:47,341 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2022-07-23 13:25:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,434 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2022-07-23 13:25:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:25:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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 [2022-07-23 13:25:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,438 INFO L225 Difference]: With dead ends: 103 [2022-07-23 13:25:47,438 INFO L226 Difference]: Without dead ends: 64 [2022-07-23 13:25:47,439 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 [2022-07-23 13:25:47,441 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 17 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:47,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 150 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-07-23 13:25:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2022-07-23 13:25:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-23 13:25:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2022-07-23 13:25:47,458 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 12 [2022-07-23 13:25:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,459 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-07-23 13:25:47,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2022-07-23 13:25:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-07-23 13:25:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-23 13:25:47,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 13:25:47,462 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,465 INFO L85 PathProgramCache]: Analyzing trace with hash 565418330, now seen corresponding path program 1 times [2022-07-23 13:25:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652766407] [2022-07-23 13:25:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:47,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652766407] [2022-07-23 13:25:47,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652766407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 13:25:47,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070416170] [2022-07-23 13:25:47,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:25:47,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:25:47,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:25:47,538 INFO L87 Difference]: Start difference. First operand 55 states and 65 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) [2022-07-23 13:25:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,573 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2022-07-23 13:25:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:25:47,574 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 [2022-07-23 13:25:47,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,575 INFO L225 Difference]: With dead ends: 67 [2022-07-23 13:25:47,577 INFO L226 Difference]: Without dead ends: 66 [2022-07-23 13:25:47,577 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 [2022-07-23 13:25:47,578 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 5 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:47,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 129 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-07-23 13:25:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2022-07-23 13:25:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 53 states have internal predecessors, (61), 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) [2022-07-23 13:25:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2022-07-23 13:25:47,598 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 14 [2022-07-23 13:25:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,599 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2022-07-23 13:25:47,599 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) [2022-07-23 13:25:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-07-23 13:25:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-23 13:25:47,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 13:25:47,601 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,602 INFO L85 PathProgramCache]: Analyzing trace with hash 348099144, now seen corresponding path program 1 times [2022-07-23 13:25:47,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928768695] [2022-07-23 13:25:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:47,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928768695] [2022-07-23 13:25:47,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928768695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 13:25:47,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747530207] [2022-07-23 13:25:47,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:25:47,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:25:47,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:25:47,665 INFO L87 Difference]: Start difference. First operand 63 states and 75 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) [2022-07-23 13:25:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,694 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2022-07-23 13:25:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 13:25:47,695 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 [2022-07-23 13:25:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,700 INFO L225 Difference]: With dead ends: 63 [2022-07-23 13:25:47,700 INFO L226 Difference]: Without dead ends: 62 [2022-07-23 13:25:47,701 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 [2022-07-23 13:25:47,702 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 116 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 [2022-07-23 13:25:47,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 116 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:47,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-07-23 13:25:47,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-07-23 13:25:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.3409090909090908) 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) [2022-07-23 13:25:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2022-07-23 13:25:47,711 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 15 [2022-07-23 13:25:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,711 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2022-07-23 13:25:47,711 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) [2022-07-23 13:25:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2022-07-23 13:25:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-23 13:25:47,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 13:25:47,713 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2124333102, now seen corresponding path program 1 times [2022-07-23 13:25:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852872894] [2022-07-23 13:25:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:25:47,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852872894] [2022-07-23 13:25:47,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852872894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 13:25:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183982052] [2022-07-23 13:25:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:25:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:25:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:25:47,754 INFO L87 Difference]: Start difference. First operand 62 states and 73 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) [2022-07-23 13:25:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,776 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2022-07-23 13:25:47,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:25:47,777 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 [2022-07-23 13:25:47,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,777 INFO L225 Difference]: With dead ends: 68 [2022-07-23 13:25:47,777 INFO L226 Difference]: Without dead ends: 67 [2022-07-23 13:25:47,778 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 [2022-07-23 13:25:47,779 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:47,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 127 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-23 13:25:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2022-07-23 13:25:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.326086956521739) internal successors, (61), 54 states have internal predecessors, (61), 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) [2022-07-23 13:25:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2022-07-23 13:25:47,786 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 18 [2022-07-23 13:25:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,787 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2022-07-23 13:25:47,787 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) [2022-07-23 13:25:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-07-23 13:25:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-23 13:25:47,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 13:25:47,788 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1429816616, now seen corresponding path program 1 times [2022-07-23 13:25:47,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22572071] [2022-07-23 13:25:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 13:25:47,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22572071] [2022-07-23 13:25:47,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22572071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:47,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:47,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 13:25:47,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219692643] [2022-07-23 13:25:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:47,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 13:25:47,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:47,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 13:25:47,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 13:25:47,823 INFO L87 Difference]: Start difference. First operand 64 states and 75 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) [2022-07-23 13:25:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:47,865 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2022-07-23 13:25:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 13:25:47,865 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 [2022-07-23 13:25:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:47,866 INFO L225 Difference]: With dead ends: 64 [2022-07-23 13:25:47,866 INFO L226 Difference]: Without dead ends: 63 [2022-07-23 13:25:47,867 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 [2022-07-23 13:25:47,867 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 113 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 [2022-07-23 13:25:47,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 113 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-23 13:25:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-23 13:25:47,882 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) [2022-07-23 13:25:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2022-07-23 13:25:47,883 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 19 [2022-07-23 13:25:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:47,883 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2022-07-23 13:25:47,884 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) [2022-07-23 13:25:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-07-23 13:25:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-23 13:25:47,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:47,884 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:47,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 13:25:47,885 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:47,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash -637261571, now seen corresponding path program 1 times [2022-07-23 13:25:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:47,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6946526] [2022-07-23 13:25:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 13:25:47,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:47,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6946526] [2022-07-23 13:25:47,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6946526] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:47,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898186880] [2022-07-23 13:25:47,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:47,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:47,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:47,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:47,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 13:25:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:48,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 13:25:48,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 13:25:48,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 13:25:48,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898186880] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:48,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:48,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-23 13:25:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121924193] [2022-07-23 13:25:48,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:48,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 13:25:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:48,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 13:25:48,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-23 13:25:48,149 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-07-23 13:25:48,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:48,230 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2022-07-23 13:25:48,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 13:25:48,232 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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 24 [2022-07-23 13:25:48,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:48,234 INFO L225 Difference]: With dead ends: 123 [2022-07-23 13:25:48,234 INFO L226 Difference]: Without dead ends: 122 [2022-07-23 13:25:48,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:25:48,236 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 36 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:48,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 258 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-07-23 13:25:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 99. [2022-07-23 13:25:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.263157894736842) internal successors, (96), 83 states have internal predecessors, (96), 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) [2022-07-23 13:25:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2022-07-23 13:25:48,255 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 24 [2022-07-23 13:25:48,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:48,255 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2022-07-23 13:25:48,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 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) [2022-07-23 13:25:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2022-07-23 13:25:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-23 13:25:48,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:48,257 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] [2022-07-23 13:25:48,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:48,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:48,472 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:48,472 INFO L85 PathProgramCache]: Analyzing trace with hash 21903950, now seen corresponding path program 1 times [2022-07-23 13:25:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:48,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635398441] [2022-07-23 13:25:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:48,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:48,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635398441] [2022-07-23 13:25:48,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635398441] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:48,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476936609] [2022-07-23 13:25:48,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:48,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:48,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:48,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:48,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 13:25:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:48,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 13:25:48,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:48,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:25:48,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476936609] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:48,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:48,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2022-07-23 13:25:48,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472976140] [2022-07-23 13:25:48,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:48,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 13:25:48,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:48,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 13:25:48,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-23 13:25:48,784 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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) [2022-07-23 13:25:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:48,925 INFO L93 Difference]: Finished difference Result 164 states and 200 transitions. [2022-07-23 13:25:48,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 13:25:48,926 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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 27 [2022-07-23 13:25:48,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:48,927 INFO L225 Difference]: With dead ends: 164 [2022-07-23 13:25:48,927 INFO L226 Difference]: Without dead ends: 101 [2022-07-23 13:25:48,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-07-23 13:25:48,930 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:48,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 308 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-23 13:25:48,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2022-07-23 13:25:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.25) internal successors, (95), 83 states have internal predecessors, (95), 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) [2022-07-23 13:25:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2022-07-23 13:25:48,948 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2022-07-23 13:25:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:48,949 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2022-07-23 13:25:48,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 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) [2022-07-23 13:25:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2022-07-23 13:25:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-23 13:25:48,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:48,950 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] [2022-07-23 13:25:48,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:49,150 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,SelfDestructingSolverStorable8 [2022-07-23 13:25:49,151 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:49,151 INFO L85 PathProgramCache]: Analyzing trace with hash -19567733, now seen corresponding path program 2 times [2022-07-23 13:25:49,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:49,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507606187] [2022-07-23 13:25:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:49,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-23 13:25:49,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:49,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507606187] [2022-07-23 13:25:49,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507606187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:49,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:49,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 13:25:49,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621535976] [2022-07-23 13:25:49,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:49,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:49,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:49,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:25:49,192 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-07-23 13:25:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:49,235 INFO L93 Difference]: Finished difference Result 169 states and 212 transitions. [2022-07-23 13:25:49,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:25:49,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 37 [2022-07-23 13:25:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:49,237 INFO L225 Difference]: With dead ends: 169 [2022-07-23 13:25:49,237 INFO L226 Difference]: Without dead ends: 110 [2022-07-23 13:25:49,238 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 [2022-07-23 13:25:49,238 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 12 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:49,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 159 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-07-23 13:25:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2022-07-23 13:25:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.2409638554216869) internal successors, (103), 90 states have internal predecessors, (103), 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) [2022-07-23 13:25:49,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 129 transitions. [2022-07-23 13:25:49,248 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 129 transitions. Word has length 37 [2022-07-23 13:25:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:49,248 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 129 transitions. [2022-07-23 13:25:49,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-07-23 13:25:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2022-07-23 13:25:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-23 13:25:49,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:49,250 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:49,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 13:25:49,250 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:49,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:49,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1293096832, now seen corresponding path program 1 times [2022-07-23 13:25:49,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:49,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035899119] [2022-07-23 13:25:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:49,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 13:25:49,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:49,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035899119] [2022-07-23 13:25:49,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035899119] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:49,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146586968] [2022-07-23 13:25:49,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:49,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:49,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:49,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:49,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 13:25:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 13:25:49,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-23 13:25:49,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:25:49,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146586968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:49,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:25:49,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-23 13:25:49,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706666170] [2022-07-23 13:25:49,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:49,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 13:25:49,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:49,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 13:25:49,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:25:49,459 INFO L87 Difference]: Start difference. First operand 108 states and 129 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2022-07-23 13:25:49,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:49,563 INFO L93 Difference]: Finished difference Result 184 states and 224 transitions. [2022-07-23 13:25:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 13:25:49,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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 43 [2022-07-23 13:25:49,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:49,567 INFO L225 Difference]: With dead ends: 184 [2022-07-23 13:25:49,567 INFO L226 Difference]: Without dead ends: 118 [2022-07-23 13:25:49,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-23 13:25:49,569 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 48 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:49,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 161 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-07-23 13:25:49,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2022-07-23 13:25:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 94 states have internal predecessors, (109), 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) [2022-07-23 13:25:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 138 transitions. [2022-07-23 13:25:49,586 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 138 transitions. Word has length 43 [2022-07-23 13:25:49,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:49,586 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 138 transitions. [2022-07-23 13:25:49,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2022-07-23 13:25:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2022-07-23 13:25:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-23 13:25:49,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:49,590 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:49,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:49,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:49,791 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:49,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1218630964, now seen corresponding path program 1 times [2022-07-23 13:25:49,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:49,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131472455] [2022-07-23 13:25:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:49,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 13:25:49,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:49,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131472455] [2022-07-23 13:25:49,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131472455] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:49,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732293756] [2022-07-23 13:25:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:49,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:49,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:49,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:49,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 13:25:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:49,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 13:25:49,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 13:25:50,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 13:25:50,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732293756] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:50,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:50,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-23 13:25:50,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674164066] [2022-07-23 13:25:50,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:50,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 13:25:50,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:50,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 13:25:50,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-23 13:25:50,066 INFO L87 Difference]: Start difference. First operand 114 states and 138 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2022-07-23 13:25:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:50,235 INFO L93 Difference]: Finished difference Result 184 states and 225 transitions. [2022-07-23 13:25:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 13:25:50,236 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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 44 [2022-07-23 13:25:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:50,237 INFO L225 Difference]: With dead ends: 184 [2022-07-23 13:25:50,237 INFO L226 Difference]: Without dead ends: 114 [2022-07-23 13:25:50,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-07-23 13:25:50,238 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 33 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:50,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 278 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:50,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-07-23 13:25:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-07-23 13:25:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 94 states have internal predecessors, (108), 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) [2022-07-23 13:25:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 137 transitions. [2022-07-23 13:25:50,245 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 137 transitions. Word has length 44 [2022-07-23 13:25:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:50,246 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 137 transitions. [2022-07-23 13:25:50,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2022-07-23 13:25:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 137 transitions. [2022-07-23 13:25:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-23 13:25:50,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:50,247 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] [2022-07-23 13:25:50,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:50,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:50,448 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:50,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1696880930, now seen corresponding path program 1 times [2022-07-23 13:25:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:50,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136819504] [2022-07-23 13:25:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:50,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-23 13:25:50,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:50,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136819504] [2022-07-23 13:25:50,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136819504] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:50,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846050374] [2022-07-23 13:25:50,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:50,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:50,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:50,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:50,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 13:25:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:50,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 13:25:50,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-23 13:25:50,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-23 13:25:50,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846050374] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:50,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:50,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-07-23 13:25:50,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207517588] [2022-07-23 13:25:50,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:50,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 13:25:50,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:50,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 13:25:50,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-07-23 13:25:50,707 INFO L87 Difference]: Start difference. First operand 114 states and 137 transitions. Second operand has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 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) [2022-07-23 13:25:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:51,032 INFO L93 Difference]: Finished difference Result 197 states and 260 transitions. [2022-07-23 13:25:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 13:25:51,033 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 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 48 [2022-07-23 13:25:51,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:51,035 INFO L225 Difference]: With dead ends: 197 [2022-07-23 13:25:51,035 INFO L226 Difference]: Without dead ends: 195 [2022-07-23 13:25:51,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-07-23 13:25:51,036 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 164 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:51,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 206 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 13:25:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-23 13:25:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 173. [2022-07-23 13:25:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 141 states have internal predecessors, (169), 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) [2022-07-23 13:25:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 217 transitions. [2022-07-23 13:25:51,053 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 217 transitions. Word has length 48 [2022-07-23 13:25:51,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:51,053 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 217 transitions. [2022-07-23 13:25:51,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 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) [2022-07-23 13:25:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2022-07-23 13:25:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-23 13:25:51,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:51,055 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] [2022-07-23 13:25:51,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:51,278 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,SelfDestructingSolverStorable12 [2022-07-23 13:25:51,278 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:51,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1063701326, now seen corresponding path program 1 times [2022-07-23 13:25:51,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:51,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545746019] [2022-07-23 13:25:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-23 13:25:51,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:51,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545746019] [2022-07-23 13:25:51,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545746019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:51,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:51,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 13:25:51,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479840383] [2022-07-23 13:25:51,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:51,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 13:25:51,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:51,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 13:25:51,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 13:25:51,317 INFO L87 Difference]: Start difference. First operand 173 states and 217 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-07-23 13:25:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:51,344 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2022-07-23 13:25:51,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 13:25:51,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 49 [2022-07-23 13:25:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:51,348 INFO L225 Difference]: With dead ends: 181 [2022-07-23 13:25:51,348 INFO L226 Difference]: Without dead ends: 180 [2022-07-23 13:25:51,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 13:25:51,349 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:51,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 63 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-23 13:25:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2022-07-23 13:25:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 137 states have (on average 1.218978102189781) internal successors, (167), 140 states have internal predecessors, (167), 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) [2022-07-23 13:25:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 215 transitions. [2022-07-23 13:25:51,365 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 215 transitions. Word has length 49 [2022-07-23 13:25:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:51,366 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 215 transitions. [2022-07-23 13:25:51,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-07-23 13:25:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 215 transitions. [2022-07-23 13:25:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-23 13:25:51,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:51,370 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:51,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 13:25:51,370 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:51,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:51,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2029586074, now seen corresponding path program 2 times [2022-07-23 13:25:51,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:51,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916834545] [2022-07-23 13:25:51,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:51,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:25:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:25:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:25:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-23 13:25:51,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:51,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916834545] [2022-07-23 13:25:51,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916834545] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:51,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532851108] [2022-07-23 13:25:51,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:25:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:51,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:51,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 13:25:51,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:25:51,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:51,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 13:25:51,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-23 13:25:51,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-23 13:25:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532851108] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:51,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:51,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2022-07-23 13:25:51,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430414644] [2022-07-23 13:25:51,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 13:25:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:51,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 13:25:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2022-07-23 13:25:51,716 INFO L87 Difference]: Start difference. First operand 172 states and 215 transitions. Second operand has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 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) [2022-07-23 13:25:51,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:51,934 INFO L93 Difference]: Finished difference Result 356 states and 452 transitions. [2022-07-23 13:25:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 13:25:51,935 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 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 54 [2022-07-23 13:25:51,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:51,937 INFO L225 Difference]: With dead ends: 356 [2022-07-23 13:25:51,937 INFO L226 Difference]: Without dead ends: 355 [2022-07-23 13:25:51,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2022-07-23 13:25:51,938 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 149 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:51,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 370 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:51,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-07-23 13:25:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 280. [2022-07-23 13:25:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 227 states have (on average 1.2114537444933922) internal successors, (275), 230 states have internal predecessors, (275), 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) [2022-07-23 13:25:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2022-07-23 13:25:51,956 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 54 [2022-07-23 13:25:51,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:51,956 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2022-07-23 13:25:51,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 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) [2022-07-23 13:25:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2022-07-23 13:25:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-23 13:25:51,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:51,957 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:51,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:52,171 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 [2022-07-23 13:25:52,172 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1963933763, now seen corresponding path program 2 times [2022-07-23 13:25:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:52,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868348898] [2022-07-23 13:25:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 13:25:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 13:25:52,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:52,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868348898] [2022-07-23 13:25:52,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868348898] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:52,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028507577] [2022-07-23 13:25:52,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:25:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:52,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:52,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 13:25:52,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:25:52,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:52,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 13:25:52,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 13:25:52,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 13:25:52,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028507577] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:52,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:52,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2022-07-23 13:25:52,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334415380] [2022-07-23 13:25:52,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:52,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-23 13:25:52,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:52,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-23 13:25:52,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-07-23 13:25:52,471 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 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) [2022-07-23 13:25:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:52,995 INFO L93 Difference]: Finished difference Result 431 states and 554 transitions. [2022-07-23 13:25:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-07-23 13:25:52,996 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 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 55 [2022-07-23 13:25:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:52,998 INFO L225 Difference]: With dead ends: 431 [2022-07-23 13:25:52,998 INFO L226 Difference]: Without dead ends: 429 [2022-07-23 13:25:53,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=627, Invalid=2235, Unknown=0, NotChecked=0, Total=2862 [2022-07-23 13:25:53,000 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 125 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:53,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 408 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:53,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-07-23 13:25:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 175. [2022-07-23 13:25:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 141 states have (on average 1.2056737588652482) 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) [2022-07-23 13:25:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2022-07-23 13:25:53,016 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 55 [2022-07-23 13:25:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:53,016 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2022-07-23 13:25:53,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 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) [2022-07-23 13:25:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2022-07-23 13:25:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-23 13:25:53,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:53,017 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] [2022-07-23 13:25:53,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:53,240 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 [2022-07-23 13:25:53,240 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:53,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1328814042, now seen corresponding path program 1 times [2022-07-23 13:25:53,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631517408] [2022-07-23 13:25:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 13:25:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-23 13:25:53,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:53,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631517408] [2022-07-23 13:25:53,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631517408] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:53,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188983926] [2022-07-23 13:25:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:53,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:53,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:53,304 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:53,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 13:25:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:53,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 13:25:53,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-23 13:25:53,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:53,459 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 13:25:53,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188983926] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:53,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:53,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2022-07-23 13:25:53,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124851234] [2022-07-23 13:25:53,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:53,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 13:25:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:53,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 13:25:53,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:25:53,461 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 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) [2022-07-23 13:25:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:53,921 INFO L93 Difference]: Finished difference Result 362 states and 491 transitions. [2022-07-23 13:25:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 13:25:53,922 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 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 61 [2022-07-23 13:25:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:53,924 INFO L225 Difference]: With dead ends: 362 [2022-07-23 13:25:53,924 INFO L226 Difference]: Without dead ends: 277 [2022-07-23 13:25:53,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2022-07-23 13:25:53,925 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 205 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:53,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 210 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:25:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-07-23 13:25:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2022-07-23 13:25:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.2275132275132274) internal successors, (232), 193 states have internal predecessors, (232), 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) [2022-07-23 13:25:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 297 transitions. [2022-07-23 13:25:53,940 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 297 transitions. Word has length 61 [2022-07-23 13:25:53,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:53,940 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 297 transitions. [2022-07-23 13:25:53,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 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) [2022-07-23 13:25:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 297 transitions. [2022-07-23 13:25:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-23 13:25:53,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:53,941 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] [2022-07-23 13:25:53,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:54,155 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 [2022-07-23 13:25:54,155 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:54,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1961639078, now seen corresponding path program 1 times [2022-07-23 13:25:54,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:54,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698641697] [2022-07-23 13:25:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:54,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 13:25:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 13:25:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-23 13:25:54,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:54,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698641697] [2022-07-23 13:25:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698641697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:54,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:54,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 13:25:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31173453] [2022-07-23 13:25:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:54,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:54,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:54,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:25:54,204 INFO L87 Difference]: Start difference. First operand 236 states and 297 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), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-23 13:25:54,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:54,241 INFO L93 Difference]: Finished difference Result 331 states and 457 transitions. [2022-07-23 13:25:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 13:25:54,242 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), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2022-07-23 13:25:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:54,244 INFO L225 Difference]: With dead ends: 331 [2022-07-23 13:25:54,244 INFO L226 Difference]: Without dead ends: 330 [2022-07-23 13:25:54,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 13:25:54,245 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:54,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 147 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-07-23 13:25:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 288. [2022-07-23 13:25:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 229 states have (on average 1.2008733624454149) internal successors, (275), 231 states have internal predecessors, (275), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (76), 46 states have call predecessors, (76), 34 states have call successors, (76) [2022-07-23 13:25:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 385 transitions. [2022-07-23 13:25:54,261 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 385 transitions. Word has length 64 [2022-07-23 13:25:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:54,261 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 385 transitions. [2022-07-23 13:25:54,262 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), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-23 13:25:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 385 transitions. [2022-07-23 13:25:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-23 13:25:54,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:54,263 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, 1] [2022-07-23 13:25:54,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 13:25:54,263 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:54,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:54,263 INFO L85 PathProgramCache]: Analyzing trace with hash -681269214, now seen corresponding path program 1 times [2022-07-23 13:25:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:54,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560983584] [2022-07-23 13:25:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 13:25:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 13:25:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-23 13:25:54,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:54,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560983584] [2022-07-23 13:25:54,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560983584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:54,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:25:54,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 13:25:54,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525985401] [2022-07-23 13:25:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:54,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:54,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:54,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:54,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 13:25:54,312 INFO L87 Difference]: Start difference. First operand 288 states and 385 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-23 13:25:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:54,360 INFO L93 Difference]: Finished difference Result 451 states and 647 transitions. [2022-07-23 13:25:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:25:54,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 65 [2022-07-23 13:25:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:54,362 INFO L225 Difference]: With dead ends: 451 [2022-07-23 13:25:54,362 INFO L226 Difference]: Without dead ends: 261 [2022-07-23 13:25:54,364 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 [2022-07-23 13:25:54,364 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 [2022-07-23 13:25:54,364 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] [2022-07-23 13:25:54,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-07-23 13:25:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-07-23 13:25:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 213 states have internal predecessors, (243), 34 states have call successors, (34), 10 states have call predecessors, (34), 17 states have return successors, (59), 37 states have call predecessors, (59), 34 states have call successors, (59) [2022-07-23 13:25:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 336 transitions. [2022-07-23 13:25:54,405 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 336 transitions. Word has length 65 [2022-07-23 13:25:54,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:54,405 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 336 transitions. [2022-07-23 13:25:54,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-23 13:25:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 336 transitions. [2022-07-23 13:25:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-23 13:25:54,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:54,407 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] [2022-07-23 13:25:54,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 13:25:54,407 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash 505993054, now seen corresponding path program 2 times [2022-07-23 13:25:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:54,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670694455] [2022-07-23 13:25:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 13:25:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 13:25:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-23 13:25:54,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:54,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670694455] [2022-07-23 13:25:54,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670694455] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:54,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854329965] [2022-07-23 13:25:54,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:25:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:54,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:54,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 13:25:54,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:25:54,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:54,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:25:54,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-23 13:25:54,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:25:54,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854329965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:54,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:25:54,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-23 13:25:54,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258446722] [2022-07-23 13:25:54,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:54,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:54,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:54,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:54,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:25:54,550 INFO L87 Difference]: Start difference. First operand 261 states and 336 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-23 13:25:54,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:54,588 INFO L93 Difference]: Finished difference Result 280 states and 363 transitions. [2022-07-23 13:25:54,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:25:54,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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 66 [2022-07-23 13:25:54,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:54,590 INFO L225 Difference]: With dead ends: 280 [2022-07-23 13:25:54,590 INFO L226 Difference]: Without dead ends: 279 [2022-07-23 13:25:54,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:25:54,592 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, 12 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 [2022-07-23 13:25:54,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 106 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-07-23 13:25:54,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-07-23 13:25:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 220 states have (on average 1.1954545454545455) internal successors, (263), 223 states have internal predecessors, (263), 34 states have call successors, (34), 10 states have call predecessors, (34), 17 states have return successors, (59), 42 states have call predecessors, (59), 34 states have call successors, (59) [2022-07-23 13:25:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 356 transitions. [2022-07-23 13:25:54,613 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 356 transitions. Word has length 66 [2022-07-23 13:25:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:54,613 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 356 transitions. [2022-07-23 13:25:54,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-23 13:25:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 356 transitions. [2022-07-23 13:25:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-23 13:25:54,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:54,615 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] [2022-07-23 13:25:54,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:54,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:54,838 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:54,838 INFO L85 PathProgramCache]: Analyzing trace with hash 924442603, now seen corresponding path program 1 times [2022-07-23 13:25:54,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:54,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242543141] [2022-07-23 13:25:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:54,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 13:25:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 13:25:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 13:25:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:25:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 13:25:54,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:54,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242543141] [2022-07-23 13:25:54,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242543141] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:54,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69066629] [2022-07-23 13:25:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:54,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:54,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:54,894 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:54,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 13:25:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:54,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 13:25:54,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-23 13:25:54,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:25:54,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69066629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:54,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:25:54,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-07-23 13:25:54,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262091514] [2022-07-23 13:25:54,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:54,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 13:25:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:54,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 13:25:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 13:25:54,980 INFO L87 Difference]: Start difference. First operand 276 states and 356 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) [2022-07-23 13:25:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:55,114 INFO L93 Difference]: Finished difference Result 545 states and 750 transitions. [2022-07-23 13:25:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 13:25:55,115 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 [2022-07-23 13:25:55,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:55,117 INFO L225 Difference]: With dead ends: 545 [2022-07-23 13:25:55,117 INFO L226 Difference]: Without dead ends: 364 [2022-07-23 13:25:55,118 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 [2022-07-23 13:25:55,119 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 43 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:55,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 122 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-07-23 13:25:55,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 361. [2022-07-23 13:25:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 291 states have (on average 1.2096219931271477) internal successors, (352), 284 states have internal predecessors, (352), 44 states have call successors, (44), 10 states have call predecessors, (44), 21 states have return successors, (102), 66 states have call predecessors, (102), 44 states have call successors, (102) [2022-07-23 13:25:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 498 transitions. [2022-07-23 13:25:55,142 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 498 transitions. Word has length 101 [2022-07-23 13:25:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:55,143 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 498 transitions. [2022-07-23 13:25:55,143 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) [2022-07-23 13:25:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 498 transitions. [2022-07-23 13:25:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-23 13:25:55,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:55,144 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] [2022-07-23 13:25:55,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:55,363 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 [2022-07-23 13:25:55,363 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:55,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:55,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1778803619, now seen corresponding path program 1 times [2022-07-23 13:25:55,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:55,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866079443] [2022-07-23 13:25:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 13:25:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 13:25:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:25:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-23 13:25:55,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:55,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866079443] [2022-07-23 13:25:55,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866079443] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:55,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366313627] [2022-07-23 13:25:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:55,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:55,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:55,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:55,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-23 13:25:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:55,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 13:25:55,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-23 13:25:55,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-23 13:25:55,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366313627] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:55,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:55,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 12 [2022-07-23 13:25:55,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664151640] [2022-07-23 13:25:55,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:55,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 13:25:55,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:55,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 13:25:55,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-07-23 13:25:55,649 INFO L87 Difference]: Start difference. First operand 361 states and 498 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-23 13:25:55,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:55,820 INFO L93 Difference]: Finished difference Result 608 states and 871 transitions. [2022-07-23 13:25:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 13:25:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 85 [2022-07-23 13:25:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:55,823 INFO L225 Difference]: With dead ends: 608 [2022-07-23 13:25:55,823 INFO L226 Difference]: Without dead ends: 339 [2022-07-23 13:25:55,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 180 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-07-23 13:25:55,826 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 113 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:55,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 150 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:25:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-07-23 13:25:55,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 330. [2022-07-23 13:25:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 266 states have (on average 1.1541353383458646) internal successors, (307), 264 states have internal predecessors, (307), 40 states have call successors, (40), 16 states have call predecessors, (40), 20 states have return successors, (57), 49 states have call predecessors, (57), 40 states have call successors, (57) [2022-07-23 13:25:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 404 transitions. [2022-07-23 13:25:55,846 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 404 transitions. Word has length 85 [2022-07-23 13:25:55,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:55,846 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 404 transitions. [2022-07-23 13:25:55,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-23 13:25:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions. [2022-07-23 13:25:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-23 13:25:55,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:55,848 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:55,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:56,063 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 [2022-07-23 13:25:56,063 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 804951081, now seen corresponding path program 2 times [2022-07-23 13:25:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:56,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762189597] [2022-07-23 13:25:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 13:25:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:25:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 13:25:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-23 13:25:56,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:56,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762189597] [2022-07-23 13:25:56,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762189597] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:56,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514415154] [2022-07-23 13:25:56,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:25:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:56,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:56,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-23 13:25:56,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:25:56,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:56,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:25:56,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 13:25:56,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 13:25:56,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514415154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:25:56,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 13:25:56,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 14 [2022-07-23 13:25:56,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275860896] [2022-07-23 13:25:56,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:25:56,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 13:25:56,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:56,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 13:25:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:25:56,262 INFO L87 Difference]: Start difference. First operand 330 states and 404 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-23 13:25:56,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:56,292 INFO L93 Difference]: Finished difference Result 331 states and 404 transitions. [2022-07-23 13:25:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:25:56,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-07-23 13:25:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:56,295 INFO L225 Difference]: With dead ends: 331 [2022-07-23 13:25:56,295 INFO L226 Difference]: Without dead ends: 330 [2022-07-23 13:25:56,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:25:56,296 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:56,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 146 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:25:56,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-07-23 13:25:56,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 286. [2022-07-23 13:25:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 230 states have (on average 1.1434782608695653) internal successors, (263), 234 states have internal predecessors, (263), 33 states have call successors, (33), 16 states have call predecessors, (33), 19 states have return successors, (44), 35 states have call predecessors, (44), 33 states have call successors, (44) [2022-07-23 13:25:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 340 transitions. [2022-07-23 13:25:56,312 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 340 transitions. Word has length 86 [2022-07-23 13:25:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:56,312 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 340 transitions. [2022-07-23 13:25:56,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-23 13:25:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 340 transitions. [2022-07-23 13:25:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 13:25:56,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:56,314 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:56,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:56,535 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 [2022-07-23 13:25:56,535 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:56,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash -793317901, now seen corresponding path program 3 times [2022-07-23 13:25:56,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:56,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663368219] [2022-07-23 13:25:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:56,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 13:25:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 13:25:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:25:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 13:25:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 13:25:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:25:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 40 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-23 13:25:56,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663368219] [2022-07-23 13:25:56,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663368219] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278881689] [2022-07-23 13:25:56,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:25:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:56,644 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:56,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-23 13:25:56,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-23 13:25:56,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:56,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 13:25:56,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 159 proven. 32 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-23 13:25:56,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 37 proven. 50 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-23 13:25:57,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278881689] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:57,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:57,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 30 [2022-07-23 13:25:57,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500780963] [2022-07-23 13:25:57,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:57,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-07-23 13:25:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:57,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-07-23 13:25:57,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2022-07-23 13:25:57,083 INFO L87 Difference]: Start difference. First operand 286 states and 340 transitions. Second operand has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) [2022-07-23 13:25:58,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:58,029 INFO L93 Difference]: Finished difference Result 486 states and 581 transitions. [2022-07-23 13:25:58,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-23 13:25:58,029 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) Word has length 116 [2022-07-23 13:25:58,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:58,031 INFO L225 Difference]: With dead ends: 486 [2022-07-23 13:25:58,031 INFO L226 Difference]: Without dead ends: 298 [2022-07-23 13:25:58,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=506, Invalid=3034, Unknown=0, NotChecked=0, Total=3540 [2022-07-23 13:25:58,034 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 246 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:58,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 899 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 13:25:58,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-07-23 13:25:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 283. [2022-07-23 13:25:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 229 states have (on average 1.1266375545851528) internal successors, (258), 232 states have internal predecessors, (258), 31 states have call successors, (31), 16 states have call predecessors, (31), 19 states have return successors, (40), 34 states have call predecessors, (40), 31 states have call successors, (40) [2022-07-23 13:25:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 329 transitions. [2022-07-23 13:25:58,059 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 329 transitions. Word has length 116 [2022-07-23 13:25:58,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:58,059 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 329 transitions. [2022-07-23 13:25:58,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) [2022-07-23 13:25:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 329 transitions. [2022-07-23 13:25:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 13:25:58,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:58,062 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2022-07-23 13:25:58,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:58,286 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 [2022-07-23 13:25:58,286 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:58,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash 895586552, now seen corresponding path program 3 times [2022-07-23 13:25:58,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:58,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815343456] [2022-07-23 13:25:58,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:58,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:25:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:25:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:25:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:25:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:25:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:25:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 13:25:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 13:25:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 13:25:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 13:25:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 13:25:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:25:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-23 13:25:58,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:25:58,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815343456] [2022-07-23 13:25:58,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815343456] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:25:58,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789142591] [2022-07-23 13:25:58,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:25:58,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:25:58,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:25:58,529 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:25:58,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-23 13:25:58,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-07-23 13:25:58,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:25:58,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 13:25:58,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:25:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-23 13:25:58,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:25:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-23 13:25:59,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789142591] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:25:59,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:25:59,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2022-07-23 13:25:59,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083152374] [2022-07-23 13:25:59,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:25:59,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-23 13:25:59,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:25:59,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-23 13:25:59,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2022-07-23 13:25:59,126 INFO L87 Difference]: Start difference. First operand 283 states and 329 transitions. Second operand has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 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) [2022-07-23 13:25:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:25:59,701 INFO L93 Difference]: Finished difference Result 747 states and 906 transitions. [2022-07-23 13:25:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-07-23 13:25:59,702 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 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 114 [2022-07-23 13:25:59,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:25:59,706 INFO L225 Difference]: With dead ends: 747 [2022-07-23 13:25:59,706 INFO L226 Difference]: Without dead ends: 746 [2022-07-23 13:25:59,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2022-07-23 13:25:59,711 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 325 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:25:59,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 383 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 13:25:59,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-07-23 13:25:59,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 355. [2022-07-23 13:25:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 289 states have (on average 1.1418685121107266) internal successors, (330), 292 states have internal predecessors, (330), 43 states have call successors, (43), 16 states have call predecessors, (43), 19 states have return successors, (52), 46 states have call predecessors, (52), 43 states have call successors, (52) [2022-07-23 13:25:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 425 transitions. [2022-07-23 13:25:59,751 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 425 transitions. Word has length 114 [2022-07-23 13:25:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:25:59,752 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 425 transitions. [2022-07-23 13:25:59,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 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) [2022-07-23 13:25:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 425 transitions. [2022-07-23 13:25:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-23 13:25:59,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:25:59,754 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 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] [2022-07-23 13:25:59,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-23 13:25:59,975 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 [2022-07-23 13:25:59,975 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:25:59,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:25:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash -999556663, now seen corresponding path program 2 times [2022-07-23 13:25:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:25:59,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980764164] [2022-07-23 13:25:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:25:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:25:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 13:26:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 13:26:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-23 13:26:00,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:00,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980764164] [2022-07-23 13:26:00,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980764164] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:00,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299041411] [2022-07-23 13:26:00,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:26:00,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:00,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:00,109 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:26:00,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-23 13:26:00,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:26:00,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:00,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 13:26:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-23 13:26:00,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-23 13:26:00,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299041411] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:00,409 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:00,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 14 [2022-07-23 13:26:00,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7722490] [2022-07-23 13:26:00,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 13:26:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:00,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 13:26:00,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:26:00,411 INFO L87 Difference]: Start difference. First operand 355 states and 425 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-23 13:26:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:00,676 INFO L93 Difference]: Finished difference Result 502 states and 602 transitions. [2022-07-23 13:26:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 13:26:00,679 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 131 [2022-07-23 13:26:00,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:00,681 INFO L225 Difference]: With dead ends: 502 [2022-07-23 13:26:00,681 INFO L226 Difference]: Without dead ends: 358 [2022-07-23 13:26:00,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-07-23 13:26:00,682 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 139 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:00,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 182 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 13:26:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-07-23 13:26:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 350. [2022-07-23 13:26:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 285 states have (on average 1.1298245614035087) internal successors, (322), 288 states have internal predecessors, (322), 43 states have call successors, (43), 17 states have call predecessors, (43), 18 states have return successors, (48), 44 states have call predecessors, (48), 43 states have call successors, (48) [2022-07-23 13:26:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 413 transitions. [2022-07-23 13:26:00,703 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 413 transitions. Word has length 131 [2022-07-23 13:26:00,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:00,703 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 413 transitions. [2022-07-23 13:26:00,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-23 13:26:00,704 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 413 transitions. [2022-07-23 13:26:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 13:26:00,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:00,705 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:00,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:00,919 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 [2022-07-23 13:26:00,919 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:00,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1094447814, now seen corresponding path program 1 times [2022-07-23 13:26:00,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:00,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834748327] [2022-07-23 13:26:00,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 13:26:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 13:26:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 13:26:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 203 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-07-23 13:26:00,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:00,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834748327] [2022-07-23 13:26:00,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834748327] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:00,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010979685] [2022-07-23 13:26:00,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:00,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:00,990 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:26:00,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-23 13:26:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:26:01,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 383 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-23 13:26:01,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 203 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-07-23 13:26:01,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010979685] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:01,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:01,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-07-23 13:26:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092325871] [2022-07-23 13:26:01,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:01,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 13:26:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:01,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 13:26:01,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-23 13:26:01,186 INFO L87 Difference]: Start difference. First operand 350 states and 413 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) [2022-07-23 13:26:01,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:01,253 INFO L93 Difference]: Finished difference Result 489 states and 576 transitions. [2022-07-23 13:26:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 13:26:01,253 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 163 [2022-07-23 13:26:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:01,255 INFO L225 Difference]: With dead ends: 489 [2022-07-23 13:26:01,255 INFO L226 Difference]: Without dead ends: 354 [2022-07-23 13:26:01,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 350 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 13:26:01,257 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:01,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 104 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:26:01,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-07-23 13:26:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2022-07-23 13:26:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 285 states have (on average 1.1298245614035087) internal successors, (322), 288 states have internal predecessors, (322), 43 states have call successors, (43), 17 states have call predecessors, (43), 18 states have return successors, (46), 44 states have call predecessors, (46), 43 states have call successors, (46) [2022-07-23 13:26:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 411 transitions. [2022-07-23 13:26:01,277 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 411 transitions. Word has length 163 [2022-07-23 13:26:01,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:01,278 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 411 transitions. [2022-07-23 13:26:01,278 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) [2022-07-23 13:26:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 411 transitions. [2022-07-23 13:26:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-23 13:26:01,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:01,281 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 10, 9, 9, 8, 8, 8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:01,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:01,503 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 [2022-07-23 13:26:01,504 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:01,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash -457737177, now seen corresponding path program 2 times [2022-07-23 13:26:01,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:01,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797559897] [2022-07-23 13:26:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 58 proven. 159 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-23 13:26:01,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:01,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797559897] [2022-07-23 13:26:01,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797559897] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:01,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629759350] [2022-07-23 13:26:01,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:26:01,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:01,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:01,660 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:26:01,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-23 13:26:01,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:26:01,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:01,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 13:26:01,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 387 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-07-23 13:26:01,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 275 proven. 70 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2022-07-23 13:26:02,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629759350] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:02,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:02,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 27 [2022-07-23 13:26:02,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445324364] [2022-07-23 13:26:02,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:02,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-23 13:26:02,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-23 13:26:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-07-23 13:26:02,272 INFO L87 Difference]: Start difference. First operand 350 states and 411 transitions. Second operand has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 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) [2022-07-23 13:26:03,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:03,077 INFO L93 Difference]: Finished difference Result 622 states and 740 transitions. [2022-07-23 13:26:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-23 13:26:03,078 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 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 183 [2022-07-23 13:26:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:03,081 INFO L225 Difference]: With dead ends: 622 [2022-07-23 13:26:03,081 INFO L226 Difference]: Without dead ends: 512 [2022-07-23 13:26:03,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=1977, Unknown=0, NotChecked=0, Total=2256 [2022-07-23 13:26:03,083 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 303 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:03,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 394 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 13:26:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-23 13:26:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 466. [2022-07-23 13:26:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.1289473684210527) internal successors, (429), 382 states have internal predecessors, (429), 56 states have call successors, (56), 22 states have call predecessors, (56), 26 states have return successors, (77), 61 states have call predecessors, (77), 56 states have call successors, (77) [2022-07-23 13:26:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 562 transitions. [2022-07-23 13:26:03,113 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 562 transitions. Word has length 183 [2022-07-23 13:26:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:03,113 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 562 transitions. [2022-07-23 13:26:03,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 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) [2022-07-23 13:26:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 562 transitions. [2022-07-23 13:26:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-23 13:26:03,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:03,116 INFO L195 NwaCegarLoop]: trace histogram [20, 18, 13, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:03,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:03,327 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 [2022-07-23 13:26:03,327 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1250905414, now seen corresponding path program 3 times [2022-07-23 13:26:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:03,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824317462] [2022-07-23 13:26:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 13:26:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 222 proven. 14 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-07-23 13:26:03,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:03,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824317462] [2022-07-23 13:26:03,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824317462] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:03,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262206004] [2022-07-23 13:26:03,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:26:03,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:03,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:03,463 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:26:03,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-23 13:26:03,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-23 13:26:03,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:03,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 13:26:03,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 13:26:03,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-23 13:26:03,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262206004] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:03,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:03,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2022-07-23 13:26:03,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400072120] [2022-07-23 13:26:03,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:03,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 13:26:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 13:26:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-07-23 13:26:03,854 INFO L87 Difference]: Start difference. First operand 466 states and 562 transitions. Second operand has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 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) [2022-07-23 13:26:04,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:04,101 INFO L93 Difference]: Finished difference Result 651 states and 802 transitions. [2022-07-23 13:26:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 13:26:04,102 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 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 211 [2022-07-23 13:26:04,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:04,105 INFO L225 Difference]: With dead ends: 651 [2022-07-23 13:26:04,105 INFO L226 Difference]: Without dead ends: 634 [2022-07-23 13:26:04,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2022-07-23 13:26:04,107 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 108 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:04,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 281 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:26:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-07-23 13:26:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 567. [2022-07-23 13:26:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 457 states have (on average 1.1378555798687089) internal successors, (520), 461 states have internal predecessors, (520), 69 states have call successors, (69), 28 states have call predecessors, (69), 37 states have return successors, (97), 77 states have call predecessors, (97), 69 states have call successors, (97) [2022-07-23 13:26:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 686 transitions. [2022-07-23 13:26:04,140 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 686 transitions. Word has length 211 [2022-07-23 13:26:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:04,140 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 686 transitions. [2022-07-23 13:26:04,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 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) [2022-07-23 13:26:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 686 transitions. [2022-07-23 13:26:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-23 13:26:04,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:04,144 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:04,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:04,367 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 [2022-07-23 13:26:04,367 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:04,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:04,367 INFO L85 PathProgramCache]: Analyzing trace with hash -564713191, now seen corresponding path program 4 times [2022-07-23 13:26:04,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:04,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345531063] [2022-07-23 13:26:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 13:26:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 258 proven. 106 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-23 13:26:04,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:04,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345531063] [2022-07-23 13:26:04,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345531063] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:04,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907533846] [2022-07-23 13:26:04,550 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 13:26:04,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:04,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:04,552 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 13:26:04,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-23 13:26:04,640 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 13:26:04,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:04,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 13:26:04,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2022-07-23 13:26:04,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 145 proven. 6 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-23 13:26:04,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907533846] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:04,771 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:04,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 18 [2022-07-23 13:26:04,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472658082] [2022-07-23 13:26:04,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:04,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-23 13:26:04,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:04,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-23 13:26:04,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-23 13:26:04,773 INFO L87 Difference]: Start difference. First operand 567 states and 686 transitions. Second operand has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 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) [2022-07-23 13:26:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:05,315 INFO L93 Difference]: Finished difference Result 996 states and 1249 transitions. [2022-07-23 13:26:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-23 13:26:05,315 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 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 216 [2022-07-23 13:26:05,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:05,318 INFO L225 Difference]: With dead ends: 996 [2022-07-23 13:26:05,319 INFO L226 Difference]: Without dead ends: 626 [2022-07-23 13:26:05,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2022-07-23 13:26:05,321 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 115 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:05,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 358 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:26:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-07-23 13:26:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 570. [2022-07-23 13:26:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 462 states have (on average 1.1233766233766234) internal successors, (519), 465 states have internal predecessors, (519), 68 states have call successors, (68), 29 states have call predecessors, (68), 36 states have return successors, (82), 75 states have call predecessors, (82), 68 states have call successors, (82) [2022-07-23 13:26:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 669 transitions. [2022-07-23 13:26:05,354 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 669 transitions. Word has length 216 [2022-07-23 13:26:05,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:05,355 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 669 transitions. [2022-07-23 13:26:05,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 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) [2022-07-23 13:26:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 669 transitions. [2022-07-23 13:26:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-23 13:26:05,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:05,358 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:05,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:05,579 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 [2022-07-23 13:26:05,579 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:05,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:05,580 INFO L85 PathProgramCache]: Analyzing trace with hash 815564211, now seen corresponding path program 5 times [2022-07-23 13:26:05,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:05,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202972124] [2022-07-23 13:26:05,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:05,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 13:26:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 204 proven. 165 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-23 13:26:05,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:05,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202972124] [2022-07-23 13:26:05,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202972124] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488510248] [2022-07-23 13:26:05,761 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-23 13:26:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:05,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:05,762 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) [2022-07-23 13:26:05,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-23 13:26:05,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-07-23 13:26:05,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:05,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 13:26:05,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 138 proven. 10 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-07-23 13:26:05,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 138 proven. 10 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-07-23 13:26:06,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488510248] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:06,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:06,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 26 [2022-07-23 13:26:06,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81121165] [2022-07-23 13:26:06,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-23 13:26:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-23 13:26:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-07-23 13:26:06,103 INFO L87 Difference]: Start difference. First operand 570 states and 669 transitions. Second operand has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 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) [2022-07-23 13:26:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:07,330 INFO L93 Difference]: Finished difference Result 1246 states and 1456 transitions. [2022-07-23 13:26:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-07-23 13:26:07,331 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 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 216 [2022-07-23 13:26:07,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:07,335 INFO L225 Difference]: With dead ends: 1246 [2022-07-23 13:26:07,335 INFO L226 Difference]: Without dead ends: 808 [2022-07-23 13:26:07,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=628, Invalid=4202, Unknown=0, NotChecked=0, Total=4830 [2022-07-23 13:26:07,338 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 601 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:07,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 464 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 13:26:07,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-07-23 13:26:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 771. [2022-07-23 13:26:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 627 states have (on average 1.1259968102073366) internal successors, (706), 622 states have internal predecessors, (706), 89 states have call successors, (89), 43 states have call predecessors, (89), 51 states have return successors, (109), 105 states have call predecessors, (109), 89 states have call successors, (109) [2022-07-23 13:26:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 904 transitions. [2022-07-23 13:26:07,397 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 904 transitions. Word has length 216 [2022-07-23 13:26:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:07,398 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 904 transitions. [2022-07-23 13:26:07,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 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) [2022-07-23 13:26:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 904 transitions. [2022-07-23 13:26:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-23 13:26:07,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:07,402 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, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:07,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:07,615 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 [2022-07-23 13:26:07,615 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:07,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:07,616 INFO L85 PathProgramCache]: Analyzing trace with hash 319058886, now seen corresponding path program 1 times [2022-07-23 13:26:07,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:07,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178905276] [2022-07-23 13:26:07,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:07,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 13:26:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 13:26:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 321 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-23 13:26:07,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:07,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178905276] [2022-07-23 13:26:07,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178905276] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:07,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098089145] [2022-07-23 13:26:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:07,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:07,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:07,846 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) [2022-07-23 13:26:07,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-23 13:26:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:07,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 13:26:07,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 411 proven. 36 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-23 13:26:08,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 321 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-23 13:26:08,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098089145] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:08,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:08,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 30 [2022-07-23 13:26:08,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553003142] [2022-07-23 13:26:08,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:08,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-07-23 13:26:08,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:08,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-07-23 13:26:08,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2022-07-23 13:26:08,502 INFO L87 Difference]: Start difference. First operand 771 states and 904 transitions. Second operand has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 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) [2022-07-23 13:26:09,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:09,154 INFO L93 Difference]: Finished difference Result 1451 states and 1828 transitions. [2022-07-23 13:26:09,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-23 13:26:09,155 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 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 233 [2022-07-23 13:26:09,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:09,161 INFO L225 Difference]: With dead ends: 1451 [2022-07-23 13:26:09,161 INFO L226 Difference]: Without dead ends: 952 [2022-07-23 13:26:09,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 497 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=302, Invalid=1860, Unknown=0, NotChecked=0, Total=2162 [2022-07-23 13:26:09,166 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 241 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:09,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 314 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 13:26:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-07-23 13:26:09,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 806. [2022-07-23 13:26:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 653 states have (on average 1.122511485451761) internal successors, (733), 649 states have internal predecessors, (733), 96 states have call successors, (96), 43 states have call predecessors, (96), 53 states have return successors, (127), 113 states have call predecessors, (127), 96 states have call successors, (127) [2022-07-23 13:26:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 956 transitions. [2022-07-23 13:26:09,229 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 956 transitions. Word has length 233 [2022-07-23 13:26:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:09,230 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 956 transitions. [2022-07-23 13:26:09,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 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) [2022-07-23 13:26:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 956 transitions. [2022-07-23 13:26:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-23 13:26:09,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:09,233 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:09,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:09,448 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 [2022-07-23 13:26:09,448 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:09,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1501668580, now seen corresponding path program 4 times [2022-07-23 13:26:09,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:09,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401332886] [2022-07-23 13:26:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:26:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 13:26:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 13:26:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 13:26:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 13:26:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 13:26:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 13:26:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 13:26:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 13:26:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 13:26:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 13:26:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 13:26:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 13:26:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 13:26:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 13:26:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 13:26:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 13:26:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-23 13:26:10,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:10,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401332886] [2022-07-23 13:26:10,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401332886] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:10,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322020062] [2022-07-23 13:26:10,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 13:26:10,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:10,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:10,182 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) [2022-07-23 13:26:10,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-23 13:26:10,279 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 13:26:10,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:10,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 47 conjunts are in the unsatisfiable core [2022-07-23 13:26:10,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-23 13:26:10,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-23 13:26:11,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322020062] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:11,970 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:11,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2022-07-23 13:26:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648778969] [2022-07-23 13:26:11,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:11,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-07-23 13:26:11,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:11,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-07-23 13:26:11,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2022-07-23 13:26:11,974 INFO L87 Difference]: Start difference. First operand 806 states and 956 transitions. Second operand has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 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) [2022-07-23 13:26:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:13,856 INFO L93 Difference]: Finished difference Result 2255 states and 2735 transitions. [2022-07-23 13:26:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-07-23 13:26:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 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 234 [2022-07-23 13:26:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:13,865 INFO L225 Difference]: With dead ends: 2255 [2022-07-23 13:26:13,865 INFO L226 Difference]: Without dead ends: 2254 [2022-07-23 13:26:13,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2022-07-23 13:26:13,871 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 945 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:13,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 722 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:26:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-07-23 13:26:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 950. [2022-07-23 13:26:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 773 states have (on average 1.1345407503234153) internal successors, (877), 769 states have internal predecessors, (877), 120 states have call successors, (120), 43 states have call predecessors, (120), 53 states have return successors, (151), 137 states have call predecessors, (151), 120 states have call successors, (151) [2022-07-23 13:26:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1148 transitions. [2022-07-23 13:26:13,950 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1148 transitions. Word has length 234 [2022-07-23 13:26:13,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:13,950 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1148 transitions. [2022-07-23 13:26:13,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 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) [2022-07-23 13:26:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1148 transitions. [2022-07-23 13:26:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-23 13:26:13,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:13,954 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, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:13,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:14,167 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 [2022-07-23 13:26:14,167 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 902912703, now seen corresponding path program 2 times [2022-07-23 13:26:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:14,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102175589] [2022-07-23 13:26:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 13:26:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 13:26:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 294 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-23 13:26:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:14,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102175589] [2022-07-23 13:26:14,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102175589] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:14,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021932499] [2022-07-23 13:26:14,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:26:14,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:14,304 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) [2022-07-23 13:26:14,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-07-23 13:26:14,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:26:14,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:14,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 13:26:14,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 294 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-23 13:26:14,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 308 proven. 10 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2022-07-23 13:26:14,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021932499] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:14,792 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:14,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2022-07-23 13:26:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11449915] [2022-07-23 13:26:14,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:14,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 13:26:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 13:26:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-23 13:26:14,794 INFO L87 Difference]: Start difference. First operand 950 states and 1148 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 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) [2022-07-23 13:26:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:14,924 INFO L93 Difference]: Finished difference Result 1409 states and 1886 transitions. [2022-07-23 13:26:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 13:26:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 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 254 [2022-07-23 13:26:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:14,930 INFO L225 Difference]: With dead ends: 1409 [2022-07-23 13:26:14,931 INFO L226 Difference]: Without dead ends: 1408 [2022-07-23 13:26:14,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-23 13:26:14,932 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 16 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:14,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 289 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 13:26:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-07-23 13:26:15,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1202. [2022-07-23 13:26:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 977 states have (on average 1.1177072671443193) internal successors, (1092), 954 states have internal predecessors, (1092), 146 states have call successors, (146), 43 states have call predecessors, (146), 75 states have return successors, (331), 204 states have call predecessors, (331), 146 states have call successors, (331) [2022-07-23 13:26:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1569 transitions. [2022-07-23 13:26:15,009 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1569 transitions. Word has length 254 [2022-07-23 13:26:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:15,009 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1569 transitions. [2022-07-23 13:26:15,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 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) [2022-07-23 13:26:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1569 transitions. [2022-07-23 13:26:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-23 13:26:15,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:15,013 INFO L195 NwaCegarLoop]: trace histogram [28, 25, 18, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:15,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:15,226 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 [2022-07-23 13:26:15,226 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:15,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:15,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1262593475, now seen corresponding path program 1 times [2022-07-23 13:26:15,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:15,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053010205] [2022-07-23 13:26:15,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 13:26:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 13:26:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 13:26:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 13:26:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 408 proven. 220 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-07-23 13:26:15,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:15,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053010205] [2022-07-23 13:26:15,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053010205] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:15,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281682334] [2022-07-23 13:26:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:15,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:15,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:15,453 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) [2022-07-23 13:26:15,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-07-23 13:26:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:15,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 13:26:15,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 1138 proven. 16 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-07-23 13:26:15,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 408 proven. 220 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-07-23 13:26:16,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281682334] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:16,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:16,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 29 [2022-07-23 13:26:16,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382982197] [2022-07-23 13:26:16,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:16,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-23 13:26:16,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:16,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-23 13:26:16,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2022-07-23 13:26:16,075 INFO L87 Difference]: Start difference. First operand 1202 states and 1569 transitions. Second operand has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-23 13:26:16,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:16,761 INFO L93 Difference]: Finished difference Result 2009 states and 2660 transitions. [2022-07-23 13:26:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 13:26:16,762 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) Word has length 285 [2022-07-23 13:26:16,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:16,768 INFO L225 Difference]: With dead ends: 2009 [2022-07-23 13:26:16,768 INFO L226 Difference]: Without dead ends: 1256 [2022-07-23 13:26:16,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 611 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2022-07-23 13:26:16,773 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 262 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:16,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 400 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 13:26:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-07-23 13:26:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1222. [2022-07-23 13:26:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 995 states have (on average 1.1175879396984925) internal successors, (1112), 971 states have internal predecessors, (1112), 145 states have call successors, (145), 45 states have call predecessors, (145), 78 states have return successors, (319), 205 states have call predecessors, (319), 145 states have call successors, (319) [2022-07-23 13:26:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1576 transitions. [2022-07-23 13:26:16,849 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1576 transitions. Word has length 285 [2022-07-23 13:26:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:16,851 INFO L495 AbstractCegarLoop]: Abstraction has 1222 states and 1576 transitions. [2022-07-23 13:26:16,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-23 13:26:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1576 transitions. [2022-07-23 13:26:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-23 13:26:16,853 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:16,853 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] [2022-07-23 13:26:16,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:17,075 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 [2022-07-23 13:26:17,075 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2074477219, now seen corresponding path program 2 times [2022-07-23 13:26:17,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:17,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151138400] [2022-07-23 13:26:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:17,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 13:26:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 13:26:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 300 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-23 13:26:17,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151138400] [2022-07-23 13:26:17,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151138400] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747615833] [2022-07-23 13:26:17,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:26:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:17,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:17,193 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) [2022-07-23 13:26:17,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-07-23 13:26:17,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:26:17,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:17,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 13:26:17,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 68 proven. 18 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-23 13:26:17,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 68 proven. 18 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-23 13:26:17,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747615833] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:17,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:17,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-23 13:26:17,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81725547] [2022-07-23 13:26:17,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:17,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 13:26:17,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:17,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 13:26:17,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-23 13:26:17,451 INFO L87 Difference]: Start difference. First operand 1222 states and 1576 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 13:26:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:17,567 INFO L93 Difference]: Finished difference Result 1459 states and 1999 transitions. [2022-07-23 13:26:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 13:26:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) Word has length 255 [2022-07-23 13:26:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:17,575 INFO L225 Difference]: With dead ends: 1459 [2022-07-23 13:26:17,575 INFO L226 Difference]: Without dead ends: 1458 [2022-07-23 13:26:17,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-23 13:26:17,576 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:17,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 246 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:26:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-07-23 13:26:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1312. [2022-07-23 13:26:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1064 states have (on average 1.1137218045112782) internal successors, (1185), 1038 states have internal predecessors, (1185), 159 states have call successors, (159), 45 states have call predecessors, (159), 85 states have return successors, (418), 228 states have call predecessors, (418), 159 states have call successors, (418) [2022-07-23 13:26:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1762 transitions. [2022-07-23 13:26:17,659 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1762 transitions. Word has length 255 [2022-07-23 13:26:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:17,660 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1762 transitions. [2022-07-23 13:26:17,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 13:26:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1762 transitions. [2022-07-23 13:26:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-23 13:26:17,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:17,663 INFO L195 NwaCegarLoop]: trace histogram [28, 25, 19, 11, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:17,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:17,879 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 [2022-07-23 13:26:17,879 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:17,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:17,880 INFO L85 PathProgramCache]: Analyzing trace with hash 713297720, now seen corresponding path program 3 times [2022-07-23 13:26:17,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:17,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587898716] [2022-07-23 13:26:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:17,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 13:26:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 13:26:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 13:26:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:26:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 472 proven. 126 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2022-07-23 13:26:18,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:18,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587898716] [2022-07-23 13:26:18,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587898716] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:18,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586763169] [2022-07-23 13:26:18,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:26:18,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:18,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:18,067 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) [2022-07-23 13:26:18,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-07-23 13:26:18,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-07-23 13:26:18,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:18,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 13:26:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 422 proven. 19 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2022-07-23 13:26:18,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 422 proven. 21 refuted. 0 times theorem prover too weak. 1627 trivial. 0 not checked. [2022-07-23 13:26:18,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586763169] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:18,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:18,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 10] total 24 [2022-07-23 13:26:18,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879657698] [2022-07-23 13:26:18,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:18,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-23 13:26:18,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:18,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-23 13:26:18,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2022-07-23 13:26:18,591 INFO L87 Difference]: Start difference. First operand 1312 states and 1762 transitions. Second operand has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-23 13:26:19,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:19,227 INFO L93 Difference]: Finished difference Result 2472 states and 3574 transitions. [2022-07-23 13:26:19,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-23 13:26:19,228 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 284 [2022-07-23 13:26:19,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:19,235 INFO L225 Difference]: With dead ends: 2472 [2022-07-23 13:26:19,236 INFO L226 Difference]: Without dead ends: 1619 [2022-07-23 13:26:19,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 609 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2022-07-23 13:26:19,243 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 278 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:19,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 437 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:26:19,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2022-07-23 13:26:19,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1517. [2022-07-23 13:26:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1223 states have (on average 1.1030253475061325) internal successors, (1349), 1209 states have internal predecessors, (1349), 193 states have call successors, (193), 77 states have call predecessors, (193), 97 states have return successors, (320), 230 states have call predecessors, (320), 193 states have call successors, (320) [2022-07-23 13:26:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1862 transitions. [2022-07-23 13:26:19,348 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1862 transitions. Word has length 284 [2022-07-23 13:26:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:19,349 INFO L495 AbstractCegarLoop]: Abstraction has 1517 states and 1862 transitions. [2022-07-23 13:26:19,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-23 13:26:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1862 transitions. [2022-07-23 13:26:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-23 13:26:19,353 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:19,353 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 29, 17, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:19,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:19,576 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 [2022-07-23 13:26:19,576 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:19,577 INFO L85 PathProgramCache]: Analyzing trace with hash 102893220, now seen corresponding path program 4 times [2022-07-23 13:26:19,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:19,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128615322] [2022-07-23 13:26:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:19,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 13:26:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 13:26:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 13:26:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 13:26:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 13:26:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 919 proven. 456 refuted. 0 times theorem prover too weak. 3004 trivial. 0 not checked. [2022-07-23 13:26:19,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:19,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128615322] [2022-07-23 13:26:19,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128615322] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:19,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727200230] [2022-07-23 13:26:19,785 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 13:26:19,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:19,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:19,788 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) [2022-07-23 13:26:19,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-07-23 13:26:19,919 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 13:26:19,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:19,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-23 13:26:19,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 2555 proven. 70 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-07-23 13:26:20,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 915 proven. 753 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2022-07-23 13:26:20,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727200230] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:20,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:20,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 27 [2022-07-23 13:26:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245532321] [2022-07-23 13:26:20,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:20,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-23 13:26:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-23 13:26:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2022-07-23 13:26:20,538 INFO L87 Difference]: Start difference. First operand 1517 states and 1862 transitions. Second operand has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) [2022-07-23 13:26:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:21,124 INFO L93 Difference]: Finished difference Result 2673 states and 3352 transitions. [2022-07-23 13:26:21,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-23 13:26:21,124 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) Word has length 403 [2022-07-23 13:26:21,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:21,133 INFO L225 Difference]: With dead ends: 2673 [2022-07-23 13:26:21,133 INFO L226 Difference]: Without dead ends: 1630 [2022-07-23 13:26:21,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 860 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=340, Invalid=1382, Unknown=0, NotChecked=0, Total=1722 [2022-07-23 13:26:21,137 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 233 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:21,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 520 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:26:21,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2022-07-23 13:26:21,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1458. [2022-07-23 13:26:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1177 states have (on average 1.1036533559898045) internal successors, (1299), 1161 states have internal predecessors, (1299), 187 states have call successors, (187), 73 states have call predecessors, (187), 90 states have return successors, (298), 223 states have call predecessors, (298), 187 states have call successors, (298) [2022-07-23 13:26:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1784 transitions. [2022-07-23 13:26:21,233 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1784 transitions. Word has length 403 [2022-07-23 13:26:21,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:21,234 INFO L495 AbstractCegarLoop]: Abstraction has 1458 states and 1784 transitions. [2022-07-23 13:26:21,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) [2022-07-23 13:26:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1784 transitions. [2022-07-23 13:26:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-07-23 13:26:21,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:21,238 INFO L195 NwaCegarLoop]: trace histogram [40, 35, 28, 17, 15, 15, 15, 15, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:21,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:21,453 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 [2022-07-23 13:26:21,454 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:21,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:21,454 INFO L85 PathProgramCache]: Analyzing trace with hash -223157408, now seen corresponding path program 5 times [2022-07-23 13:26:21,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:21,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229567165] [2022-07-23 13:26:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:21,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 13:26:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 13:26:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 13:26:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 13:26:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 13:26:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4309 backedges. 817 proven. 552 refuted. 0 times theorem prover too weak. 2940 trivial. 0 not checked. [2022-07-23 13:26:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:21,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229567165] [2022-07-23 13:26:21,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229567165] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:21,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366455978] [2022-07-23 13:26:21,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-23 13:26:21,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:21,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:21,806 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) [2022-07-23 13:26:21,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-07-23 13:26:21,904 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-07-23 13:26:21,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:21,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 13:26:21,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4309 backedges. 2068 proven. 27 refuted. 0 times theorem prover too weak. 2214 trivial. 0 not checked. [2022-07-23 13:26:22,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4309 backedges. 623 proven. 238 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2022-07-23 13:26:22,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366455978] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:22,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:22,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 33 [2022-07-23 13:26:22,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105352948] [2022-07-23 13:26:22,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:22,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-23 13:26:22,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:22,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-23 13:26:22,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 13:26:22,328 INFO L87 Difference]: Start difference. First operand 1458 states and 1784 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) [2022-07-23 13:26:23,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:23,641 INFO L93 Difference]: Finished difference Result 3075 states and 4078 transitions. [2022-07-23 13:26:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-07-23 13:26:23,641 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 399 [2022-07-23 13:26:23,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:23,651 INFO L225 Difference]: With dead ends: 3075 [2022-07-23 13:26:23,651 INFO L226 Difference]: Without dead ends: 2078 [2022-07-23 13:26:23,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=477, Invalid=4079, Unknown=0, NotChecked=0, Total=4556 [2022-07-23 13:26:23,660 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 331 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:23,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 394 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 13:26:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-07-23 13:26:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1720. [2022-07-23 13:26:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1396 states have (on average 1.1002865329512894) internal successors, (1536), 1376 states have internal predecessors, (1536), 215 states have call successors, (215), 81 states have call predecessors, (215), 105 states have return successors, (404), 262 states have call predecessors, (404), 215 states have call successors, (404) [2022-07-23 13:26:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2155 transitions. [2022-07-23 13:26:23,778 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2155 transitions. Word has length 399 [2022-07-23 13:26:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:23,778 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2155 transitions. [2022-07-23 13:26:23,778 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) [2022-07-23 13:26:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2155 transitions. [2022-07-23 13:26:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-23 13:26:23,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:23,782 INFO L195 NwaCegarLoop]: trace histogram [37, 35, 25, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:23,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:23,995 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 [2022-07-23 13:26:23,995 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1859557402, now seen corresponding path program 6 times [2022-07-23 13:26:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:23,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970561369] [2022-07-23 13:26:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:23,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 13:26:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 13:26:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 13:26:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 13:26:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 13:26:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 13:26:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 447 proven. 218 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked. [2022-07-23 13:26:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970561369] [2022-07-23 13:26:24,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970561369] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692974921] [2022-07-23 13:26:24,222 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-23 13:26:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:24,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:24,224 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) [2022-07-23 13:26:24,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-07-23 13:26:24,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-07-23 13:26:24,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:24,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 13:26:24,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 1675 proven. 234 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2022-07-23 13:26:24,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 300 proven. 332 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2022-07-23 13:26:25,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692974921] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:25,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:25,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 40 [2022-07-23 13:26:25,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550776721] [2022-07-23 13:26:25,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:25,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-07-23 13:26:25,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:25,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-07-23 13:26:25,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1402, Unknown=0, NotChecked=0, Total=1560 [2022-07-23 13:26:25,106 INFO L87 Difference]: Start difference. First operand 1720 states and 2155 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) [2022-07-23 13:26:27,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:27,024 INFO L93 Difference]: Finished difference Result 3121 states and 3920 transitions. [2022-07-23 13:26:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-07-23 13:26:27,027 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 380 [2022-07-23 13:26:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:27,035 INFO L225 Difference]: With dead ends: 3121 [2022-07-23 13:26:27,035 INFO L226 Difference]: Without dead ends: 1797 [2022-07-23 13:26:27,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 806 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1726, Invalid=9830, Unknown=0, NotChecked=0, Total=11556 [2022-07-23 13:26:27,042 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 181 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:27,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1042 Invalid, 1804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 13:26:27,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2022-07-23 13:26:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1776. [2022-07-23 13:26:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1449 states have (on average 1.095928226363009) internal successors, (1588), 1423 states have internal predecessors, (1588), 218 states have call successors, (218), 81 states have call predecessors, (218), 105 states have return successors, (407), 271 states have call predecessors, (407), 218 states have call successors, (407) [2022-07-23 13:26:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2213 transitions. [2022-07-23 13:26:27,206 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2213 transitions. Word has length 380 [2022-07-23 13:26:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:27,206 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2213 transitions. [2022-07-23 13:26:27,206 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) [2022-07-23 13:26:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2213 transitions. [2022-07-23 13:26:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-23 13:26:27,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:27,211 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 29, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:27,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:27,427 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 [2022-07-23 13:26:27,427 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2007618919, now seen corresponding path program 7 times [2022-07-23 13:26:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:27,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335693368] [2022-07-23 13:26:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:26:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:26:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:26:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 13:26:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 13:26:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 13:26:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 543 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2022-07-23 13:26:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335693368] [2022-07-23 13:26:27,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335693368] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705142832] [2022-07-23 13:26:27,679 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-23 13:26:27,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:27,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:27,681 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) [2022-07-23 13:26:27,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-07-23 13:26:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:27,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 13:26:27,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 1579 proven. 347 refuted. 0 times theorem prover too weak. 2945 trivial. 0 not checked. [2022-07-23 13:26:28,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 543 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2022-07-23 13:26:28,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705142832] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:28,333 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:28,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 20 [2022-07-23 13:26:28,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277252160] [2022-07-23 13:26:28,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:28,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 13:26:28,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:28,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 13:26:28,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2022-07-23 13:26:28,335 INFO L87 Difference]: Start difference. First operand 1776 states and 2213 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) [2022-07-23 13:26:28,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:28,934 INFO L93 Difference]: Finished difference Result 2974 states and 3729 transitions. [2022-07-23 13:26:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-23 13:26:28,935 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 424 [2022-07-23 13:26:28,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:28,941 INFO L225 Difference]: With dead ends: 2974 [2022-07-23 13:26:28,941 INFO L226 Difference]: Without dead ends: 1826 [2022-07-23 13:26:28,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 920 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2022-07-23 13:26:28,945 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 280 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:28,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 391 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:26:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2022-07-23 13:26:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1770. [2022-07-23 13:26:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1440 states have (on average 1.0930555555555554) internal successors, (1574), 1423 states have internal predecessors, (1574), 215 states have call successors, (215), 85 states have call predecessors, (215), 111 states have return successors, (395), 261 states have call predecessors, (395), 215 states have call successors, (395) [2022-07-23 13:26:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2184 transitions. [2022-07-23 13:26:29,068 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2184 transitions. Word has length 424 [2022-07-23 13:26:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:29,068 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 2184 transitions. [2022-07-23 13:26:29,069 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) [2022-07-23 13:26:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2184 transitions. [2022-07-23 13:26:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-23 13:26:29,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:29,073 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 31, 17, 15, 15, 15, 15, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-23 13:26:29,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:29,287 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 [2022-07-23 13:26:29,287 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:29,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1287880670, now seen corresponding path program 8 times [2022-07-23 13:26:29,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:29,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213247317] [2022-07-23 13:26:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 13:26:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 13:26:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 13:26:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 13:26:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 13:26:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 13:26:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 13:26:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 13:26:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 13:26:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 13:26:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 626 proven. 268 refuted. 0 times theorem prover too weak. 4168 trivial. 0 not checked. [2022-07-23 13:26:29,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:29,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213247317] [2022-07-23 13:26:29,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213247317] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:29,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732061729] [2022-07-23 13:26:29,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:26:29,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:29,541 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) [2022-07-23 13:26:29,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-07-23 13:26:29,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:26:29,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:29,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-23 13:26:29,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 2564 proven. 143 refuted. 0 times theorem prover too weak. 2355 trivial. 0 not checked. [2022-07-23 13:26:30,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 626 proven. 268 refuted. 0 times theorem prover too weak. 4168 trivial. 0 not checked. [2022-07-23 13:26:30,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732061729] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:30,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:30,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2022-07-23 13:26:30,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690275297] [2022-07-23 13:26:30,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:30,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-07-23 13:26:30,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-07-23 13:26:30,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2022-07-23 13:26:30,284 INFO L87 Difference]: Start difference. First operand 1770 states and 2184 transitions. Second operand has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2022-07-23 13:26:30,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:30,831 INFO L93 Difference]: Finished difference Result 2777 states and 3465 transitions. [2022-07-23 13:26:30,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 13:26:30,831 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 437 [2022-07-23 13:26:30,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:30,837 INFO L225 Difference]: With dead ends: 2777 [2022-07-23 13:26:30,837 INFO L226 Difference]: Without dead ends: 1651 [2022-07-23 13:26:30,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 937 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=574, Invalid=2182, Unknown=0, NotChecked=0, Total=2756 [2022-07-23 13:26:30,841 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 107 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:30,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 561 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 13:26:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-07-23 13:26:30,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1626. [2022-07-23 13:26:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1313 states have (on average 1.092155369383092) internal successors, (1434), 1303 states have internal predecessors, (1434), 201 states have call successors, (201), 85 states have call predecessors, (201), 108 states have return successors, (368), 237 states have call predecessors, (368), 201 states have call successors, (368) [2022-07-23 13:26:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2003 transitions. [2022-07-23 13:26:30,935 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2003 transitions. Word has length 437 [2022-07-23 13:26:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:30,935 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2003 transitions. [2022-07-23 13:26:30,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2022-07-23 13:26:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2003 transitions. [2022-07-23 13:26:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-23 13:26:30,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:30,939 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1] [2022-07-23 13:26:30,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:31,159 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 [2022-07-23 13:26:31,159 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1091853156, now seen corresponding path program 5 times [2022-07-23 13:26:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13243092] [2022-07-23 13:26:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:31,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:26:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 13:26:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 13:26:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 13:26:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 13:26:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 13:26:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 13:26:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 13:26:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 13:26:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 13:26:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 13:26:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 13:26:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 13:26:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 13:26:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 13:26:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 13:26:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 13:26:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 13:26:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 13:26:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 13:26:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 13:26:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-23 13:26:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 13:26:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 13:26:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 13:26:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 13:26:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 13:26:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 13:26:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 13:26:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 13:26:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 13:26:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 13:26:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 13:26:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:26:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 13:26:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 13:26:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 13:26:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 13:26:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 13:26:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 13:26:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-23 13:26:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-23 13:26:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:33,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13243092] [2022-07-23 13:26:33,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13243092] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:33,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824787946] [2022-07-23 13:26:33,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-23 13:26:33,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:33,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:33,616 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) [2022-07-23 13:26:33,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-07-23 13:26:33,865 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-07-23 13:26:33,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:33,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 95 conjunts are in the unsatisfiable core [2022-07-23 13:26:33,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-23 13:26:34,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-23 13:26:39,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824787946] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:39,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:39,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2022-07-23 13:26:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494266397] [2022-07-23 13:26:39,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:39,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2022-07-23 13:26:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:39,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2022-07-23 13:26:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2022-07-23 13:26:39,839 INFO L87 Difference]: Start difference. First operand 1626 states and 2003 transitions. Second operand has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 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) [2022-07-23 13:26:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:47,209 INFO L93 Difference]: Finished difference Result 5176 states and 6693 transitions. [2022-07-23 13:26:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-07-23 13:26:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 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 474 [2022-07-23 13:26:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:47,227 INFO L225 Difference]: With dead ends: 5176 [2022-07-23 13:26:47,227 INFO L226 Difference]: Without dead ends: 5175 [2022-07-23 13:26:47,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1229 GetRequests, 947 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2022-07-23 13:26:47,233 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2335 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2335 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:47,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2335 Valid, 1374 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 13:26:47,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2022-07-23 13:26:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 1914. [2022-07-23 13:26:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1553 states have (on average 1.1088216355441083) internal successors, (1722), 1543 states have internal predecessors, (1722), 249 states have call successors, (249), 85 states have call predecessors, (249), 108 states have return successors, (416), 285 states have call predecessors, (416), 249 states have call successors, (416) [2022-07-23 13:26:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2387 transitions. [2022-07-23 13:26:47,421 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2387 transitions. Word has length 474 [2022-07-23 13:26:47,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:47,421 INFO L495 AbstractCegarLoop]: Abstraction has 1914 states and 2387 transitions. [2022-07-23 13:26:47,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 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) [2022-07-23 13:26:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2387 transitions. [2022-07-23 13:26:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-23 13:26:47,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:47,427 INFO L195 NwaCegarLoop]: trace histogram [55, 52, 40, 23, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:26:47,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:47,643 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 [2022-07-23 13:26:47,643 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:47,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:47,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2056046547, now seen corresponding path program 9 times [2022-07-23 13:26:47,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:47,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107507796] [2022-07-23 13:26:47,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:26:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:26:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:26:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:26:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:26:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:26:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:26:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-23 13:26:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8753 backedges. 1798 proven. 467 refuted. 0 times theorem prover too weak. 6488 trivial. 0 not checked. [2022-07-23 13:26:48,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:48,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107507796] [2022-07-23 13:26:48,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107507796] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:48,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156225732] [2022-07-23 13:26:48,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:26:48,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:48,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:48,084 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) [2022-07-23 13:26:48,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-07-23 13:26:48,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-23 13:26:48,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:48,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 13:26:48,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8753 backedges. 1299 proven. 68 refuted. 0 times theorem prover too weak. 7386 trivial. 0 not checked. [2022-07-23 13:26:48,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8753 backedges. 1299 proven. 74 refuted. 0 times theorem prover too weak. 7380 trivial. 0 not checked. [2022-07-23 13:26:49,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156225732] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:49,419 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:49,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 14] total 39 [2022-07-23 13:26:49,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039581977] [2022-07-23 13:26:49,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:49,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-07-23 13:26:49,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:49,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-07-23 13:26:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1325, Unknown=0, NotChecked=0, Total=1482 [2022-07-23 13:26:49,422 INFO L87 Difference]: Start difference. First operand 1914 states and 2387 transitions. Second operand has 39 states, 39 states have (on average 4.6923076923076925) internal successors, (183), 39 states have internal predecessors, (183), 21 states have call successors, (27), 2 states have call predecessors, (27), 9 states have return successors, (28), 18 states have call predecessors, (28), 21 states have call successors, (28) [2022-07-23 13:26:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:50,649 INFO L93 Difference]: Finished difference Result 3250 states and 4224 transitions. [2022-07-23 13:26:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-23 13:26:50,650 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.6923076923076925) internal successors, (183), 39 states have internal predecessors, (183), 21 states have call successors, (27), 2 states have call predecessors, (27), 9 states have return successors, (28), 18 states have call predecessors, (28), 21 states have call successors, (28) Word has length 566 [2022-07-23 13:26:50,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:50,657 INFO L225 Difference]: With dead ends: 3250 [2022-07-23 13:26:50,657 INFO L226 Difference]: Without dead ends: 2092 [2022-07-23 13:26:50,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1284 GetRequests, 1219 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=623, Invalid=3667, Unknown=0, NotChecked=0, Total=4290 [2022-07-23 13:26:50,662 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 395 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:50,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 762 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 13:26:50,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2022-07-23 13:26:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 1822. [2022-07-23 13:26:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1479 states have (on average 1.1108857336037863) internal successors, (1643), 1471 states have internal predecessors, (1643), 240 states have call successors, (240), 82 states have call predecessors, (240), 99 states have return successors, (343), 268 states have call predecessors, (343), 240 states have call successors, (343) [2022-07-23 13:26:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2226 transitions. [2022-07-23 13:26:50,782 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2226 transitions. Word has length 566 [2022-07-23 13:26:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:50,783 INFO L495 AbstractCegarLoop]: Abstraction has 1822 states and 2226 transitions. [2022-07-23 13:26:50,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.6923076923076925) internal successors, (183), 39 states have internal predecessors, (183), 21 states have call successors, (27), 2 states have call predecessors, (27), 9 states have return successors, (28), 18 states have call predecessors, (28), 21 states have call successors, (28) [2022-07-23 13:26:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2226 transitions. [2022-07-23 13:26:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-07-23 13:26:50,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:50,789 INFO L195 NwaCegarLoop]: trace histogram [60, 56, 45, 26, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:26:50,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:51,012 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 [2022-07-23 13:26:51,013 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2098362701, now seen corresponding path program 10 times [2022-07-23 13:26:51,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:51,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000712245] [2022-07-23 13:26:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:26:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:26:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:26:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:26:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:26:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:26:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 13:26:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-23 13:26:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10456 backedges. 855 proven. 715 refuted. 0 times theorem prover too weak. 8886 trivial. 0 not checked. [2022-07-23 13:26:51,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:51,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000712245] [2022-07-23 13:26:51,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000712245] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:51,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489754914] [2022-07-23 13:26:51,385 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 13:26:51,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:51,387 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) [2022-07-23 13:26:51,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-07-23 13:26:51,573 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 13:26:51,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:51,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 28 conjunts are in the unsatisfiable core [2022-07-23 13:26:51,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10456 backedges. 5014 proven. 150 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2022-07-23 13:26:52,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10456 backedges. 1929 proven. 709 refuted. 0 times theorem prover too weak. 7818 trivial. 0 not checked. [2022-07-23 13:26:53,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489754914] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:53,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:53,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 23] total 46 [2022-07-23 13:26:53,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552067453] [2022-07-23 13:26:53,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:53,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-23 13:26:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:53,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-23 13:26:53,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1893, Unknown=0, NotChecked=0, Total=2070 [2022-07-23 13:26:53,360 INFO L87 Difference]: Start difference. First operand 1822 states and 2226 transitions. Second operand has 46 states, 46 states have (on average 4.586956521739131) internal successors, (211), 42 states have internal predecessors, (211), 26 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (26), 14 states have call predecessors, (26), 17 states have call successors, (26) [2022-07-23 13:26:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:56,590 INFO L93 Difference]: Finished difference Result 4666 states and 6090 transitions. [2022-07-23 13:26:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-07-23 13:26:56,591 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.586956521739131) internal successors, (211), 42 states have internal predecessors, (211), 26 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (26), 14 states have call predecessors, (26), 17 states have call successors, (26) Word has length 615 [2022-07-23 13:26:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:56,603 INFO L225 Difference]: With dead ends: 4666 [2022-07-23 13:26:56,603 INFO L226 Difference]: Without dead ends: 3467 [2022-07-23 13:26:56,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1459 GetRequests, 1325 SyntacticMatches, 3 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5186 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2475, Invalid=15081, Unknown=0, NotChecked=0, Total=17556 [2022-07-23 13:26:56,610 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1500 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:56,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 572 Invalid, 3170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 13:26:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-07-23 13:26:56,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 2814. [2022-07-23 13:26:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2277 states have (on average 1.1001317523056653) internal successors, (2505), 2257 states have internal predecessors, (2505), 347 states have call successors, (347), 142 states have call predecessors, (347), 186 states have return successors, (560), 414 states have call predecessors, (560), 347 states have call successors, (560) [2022-07-23 13:26:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3412 transitions. [2022-07-23 13:26:56,824 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3412 transitions. Word has length 615 [2022-07-23 13:26:56,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:56,824 INFO L495 AbstractCegarLoop]: Abstraction has 2814 states and 3412 transitions. [2022-07-23 13:26:56,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.586956521739131) internal successors, (211), 42 states have internal predecessors, (211), 26 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (26), 14 states have call predecessors, (26), 17 states have call successors, (26) [2022-07-23 13:26:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3412 transitions. [2022-07-23 13:26:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-07-23 13:26:56,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:56,830 INFO L195 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:26:56,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:57,053 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 [2022-07-23 13:26:57,054 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:57,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:57,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1349692771, now seen corresponding path program 11 times [2022-07-23 13:26:57,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:57,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492439967] [2022-07-23 13:26:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:26:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:26:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:26:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:26:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:26:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:26:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 13:26:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 13:26:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1501 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-23 13:26:57,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492439967] [2022-07-23 13:26:57,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492439967] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94543464] [2022-07-23 13:26:57,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-23 13:26:57,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:57,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:57,331 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) [2022-07-23 13:26:57,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-07-23 13:26:57,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-07-23 13:26:57,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:57,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 13:26:57,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1501 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-23 13:26:57,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:26:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1558 proven. 32 refuted. 0 times theorem prover too weak. 8137 trivial. 0 not checked. [2022-07-23 13:26:58,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94543464] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:26:58,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:26:58,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 14 [2022-07-23 13:26:58,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949363882] [2022-07-23 13:26:58,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:26:58,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 13:26:58,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:26:58,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 13:26:58,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-07-23 13:26:58,537 INFO L87 Difference]: Start difference. First operand 2814 states and 3412 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 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) [2022-07-23 13:26:58,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:26:58,753 INFO L93 Difference]: Finished difference Result 3151 states and 3957 transitions. [2022-07-23 13:26:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-23 13:26:58,753 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 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 594 [2022-07-23 13:26:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:26:58,759 INFO L225 Difference]: With dead ends: 3151 [2022-07-23 13:26:58,760 INFO L226 Difference]: Without dead ends: 3150 [2022-07-23 13:26:58,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1326 GetRequests, 1308 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-07-23 13:26:58,761 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 26 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:26:58,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 254 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:26:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-07-23 13:26:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3040. [2022-07-23 13:26:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2467 states have (on average 1.0948520470206728) internal successors, (2701), 2410 states have internal predecessors, (2701), 368 states have call successors, (368), 142 states have call predecessors, (368), 201 states have return successors, (674), 487 states have call predecessors, (674), 368 states have call successors, (674) [2022-07-23 13:26:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3743 transitions. [2022-07-23 13:26:58,928 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3743 transitions. Word has length 594 [2022-07-23 13:26:58,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:26:58,929 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 3743 transitions. [2022-07-23 13:26:58,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 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) [2022-07-23 13:26:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3743 transitions. [2022-07-23 13:26:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-07-23 13:26:58,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:26:58,934 INFO L195 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:26:58,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-07-23 13:26:59,158 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 [2022-07-23 13:26:59,158 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:26:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:26:59,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1109197119, now seen corresponding path program 3 times [2022-07-23 13:26:59,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:26:59,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28517302] [2022-07-23 13:26:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:26:59,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:26:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:26:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:26:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:26:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:26:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:26:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:26:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:26:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:26:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:26:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:26:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:26:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:26:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:26:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 13:26:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:26:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 13:26:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:26:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:26:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:26:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:26:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:26:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1519 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-23 13:26:59,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:26:59,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28517302] [2022-07-23 13:26:59,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28517302] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:26:59,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704299157] [2022-07-23 13:26:59,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:26:59,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:26:59,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:26:59,462 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) [2022-07-23 13:26:59,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-07-23 13:26:59,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-07-23 13:26:59,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:26:59,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-23 13:26:59,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:26:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1115 proven. 21 refuted. 0 times theorem prover too weak. 8609 trivial. 0 not checked. [2022-07-23 13:26:59,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1115 proven. 21 refuted. 0 times theorem prover too weak. 8609 trivial. 0 not checked. [2022-07-23 13:27:00,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704299157] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:00,410 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:00,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-07-23 13:27:00,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220921784] [2022-07-23 13:27:00,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 13:27:00,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:00,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 13:27:00,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-07-23 13:27:00,411 INFO L87 Difference]: Start difference. First operand 3040 states and 3743 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-23 13:27:00,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:00,594 INFO L93 Difference]: Finished difference Result 3040 states and 3743 transitions. [2022-07-23 13:27:00,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 13:27:00,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) Word has length 595 [2022-07-23 13:27:00,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:00,601 INFO L225 Difference]: With dead ends: 3040 [2022-07-23 13:27:00,601 INFO L226 Difference]: Without dead ends: 3039 [2022-07-23 13:27:00,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1313 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-23 13:27:00,602 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 10 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:00,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 197 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:27:00,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2022-07-23 13:27:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 2822. [2022-07-23 13:27:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2279 states have (on average 1.075032909170689) internal successors, (2450), 2258 states have internal predecessors, (2450), 348 states have call successors, (348), 142 states have call predecessors, (348), 192 states have return successors, (621), 421 states have call predecessors, (621), 348 states have call successors, (621) [2022-07-23 13:27:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 3419 transitions. [2022-07-23 13:27:00,775 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 3419 transitions. Word has length 595 [2022-07-23 13:27:00,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:00,776 INFO L495 AbstractCegarLoop]: Abstraction has 2822 states and 3419 transitions. [2022-07-23 13:27:00,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-23 13:27:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3419 transitions. [2022-07-23 13:27:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-23 13:27:00,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:00,781 INFO L195 NwaCegarLoop]: trace histogram [60, 58, 44, 25, 20, 20, 20, 20, 20, 20, 19, 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] [2022-07-23 13:27:00,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-07-23 13:27:01,005 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 [2022-07-23 13:27:01,005 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1473253871, now seen corresponding path program 6 times [2022-07-23 13:27:01,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:01,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747491280] [2022-07-23 13:27:01,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:01,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-23 13:27:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 457 proven. 586 refuted. 0 times theorem prover too weak. 9596 trivial. 0 not checked. [2022-07-23 13:27:01,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:01,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747491280] [2022-07-23 13:27:01,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747491280] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:01,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69073833] [2022-07-23 13:27:01,324 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-23 13:27:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:01,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:01,325 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) [2022-07-23 13:27:01,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-07-23 13:27:01,445 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-07-23 13:27:01,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:01,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-23 13:27:01,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 461 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2022-07-23 13:27:01,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 461 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2022-07-23 13:27:02,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69073833] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:02,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:02,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 25 [2022-07-23 13:27:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494225785] [2022-07-23 13:27:02,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:02,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-23 13:27:02,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:02,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-23 13:27:02,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-07-23 13:27:02,173 INFO L87 Difference]: Start difference. First operand 2822 states and 3419 transitions. Second operand has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 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) [2022-07-23 13:27:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:02,821 INFO L93 Difference]: Finished difference Result 3157 states and 3812 transitions. [2022-07-23 13:27:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-23 13:27:02,821 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 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 621 [2022-07-23 13:27:02,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:02,828 INFO L225 Difference]: With dead ends: 3157 [2022-07-23 13:27:02,829 INFO L226 Difference]: Without dead ends: 3156 [2022-07-23 13:27:02,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1399 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=412, Invalid=2240, Unknown=0, NotChecked=0, Total=2652 [2022-07-23 13:27:02,831 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 331 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:02,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 291 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:27:02,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2022-07-23 13:27:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3122. [2022-07-23 13:27:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3122 states, 2520 states have (on average 1.071031746031746) internal successors, (2699), 2492 states have internal predecessors, (2699), 381 states have call successors, (381), 157 states have call predecessors, (381), 219 states have return successors, (688), 472 states have call predecessors, (688), 381 states have call successors, (688) [2022-07-23 13:27:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 3768 transitions. [2022-07-23 13:27:03,108 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 3768 transitions. Word has length 621 [2022-07-23 13:27:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:03,109 INFO L495 AbstractCegarLoop]: Abstraction has 3122 states and 3768 transitions. [2022-07-23 13:27:03,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 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) [2022-07-23 13:27:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3768 transitions. [2022-07-23 13:27:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-07-23 13:27:03,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:03,119 INFO L195 NwaCegarLoop]: trace histogram [77, 75, 58, 34, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 24, 19, 16, 16, 15, 15, 15, 15, 15, 7, 7, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:27:03,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-07-23 13:27:03,333 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 [2022-07-23 13:27:03,333 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:03,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1062447129, now seen corresponding path program 12 times [2022-07-23 13:27:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:03,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974173129] [2022-07-23 13:27:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-23 13:27:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-23 13:27:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 17862 backedges. 881 proven. 445 refuted. 0 times theorem prover too weak. 16536 trivial. 0 not checked. [2022-07-23 13:27:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:03,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974173129] [2022-07-23 13:27:03,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974173129] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:03,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308768152] [2022-07-23 13:27:03,816 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-23 13:27:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:03,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:03,818 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) [2022-07-23 13:27:03,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-07-23 13:27:04,041 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-07-23 13:27:04,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:04,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-23 13:27:04,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17862 backedges. 7423 proven. 24 refuted. 0 times theorem prover too weak. 10415 trivial. 0 not checked. [2022-07-23 13:27:04,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 17862 backedges. 881 proven. 445 refuted. 0 times theorem prover too weak. 16536 trivial. 0 not checked. [2022-07-23 13:27:04,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308768152] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:04,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:04,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2022-07-23 13:27:04,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494254128] [2022-07-23 13:27:04,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:04,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-23 13:27:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:04,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-23 13:27:04,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2022-07-23 13:27:04,848 INFO L87 Difference]: Start difference. First operand 3122 states and 3768 transitions. Second operand has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2022-07-23 13:27:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:05,469 INFO L93 Difference]: Finished difference Result 5642 states and 6900 transitions. [2022-07-23 13:27:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-23 13:27:05,469 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 790 [2022-07-23 13:27:05,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:05,479 INFO L225 Difference]: With dead ends: 5642 [2022-07-23 13:27:05,479 INFO L226 Difference]: Without dead ends: 3558 [2022-07-23 13:27:05,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1766 GetRequests, 1722 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=356, Invalid=1624, Unknown=0, NotChecked=0, Total=1980 [2022-07-23 13:27:05,485 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 118 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:05,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 299 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 13:27:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2022-07-23 13:27:05,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 3518. [2022-07-23 13:27:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3518 states, 2838 states have (on average 1.0680056377730796) internal successors, (3031), 2801 states have internal predecessors, (3031), 430 states have call successors, (430), 174 states have call predecessors, (430), 248 states have return successors, (852), 542 states have call predecessors, (852), 430 states have call successors, (852) [2022-07-23 13:27:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3518 states and 4313 transitions. [2022-07-23 13:27:05,732 INFO L78 Accepts]: Start accepts. Automaton has 3518 states and 4313 transitions. Word has length 790 [2022-07-23 13:27:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:05,733 INFO L495 AbstractCegarLoop]: Abstraction has 3518 states and 4313 transitions. [2022-07-23 13:27:05,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2022-07-23 13:27:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3518 states and 4313 transitions. [2022-07-23 13:27:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2022-07-23 13:27:05,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:05,741 INFO L195 NwaCegarLoop]: trace histogram [79, 78, 60, 35, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 27, 27, 25, 19, 16, 16, 15, 15, 15, 15, 15, 7, 7, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:27:05,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-07-23 13:27:05,955 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 [2022-07-23 13:27:05,955 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:05,956 INFO L85 PathProgramCache]: Analyzing trace with hash 544436031, now seen corresponding path program 13 times [2022-07-23 13:27:05,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:05,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582996952] [2022-07-23 13:27:05,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:05,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-23 13:27:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-07-23 13:27:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19054 backedges. 644 proven. 788 refuted. 0 times theorem prover too weak. 17622 trivial. 0 not checked. [2022-07-23 13:27:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:06,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582996952] [2022-07-23 13:27:06,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582996952] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:06,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194968746] [2022-07-23 13:27:06,447 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-23 13:27:06,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:06,452 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) [2022-07-23 13:27:06,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-07-23 13:27:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:06,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1833 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 13:27:06,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 19054 backedges. 7131 proven. 604 refuted. 0 times theorem prover too weak. 11319 trivial. 0 not checked. [2022-07-23 13:27:07,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 19054 backedges. 644 proven. 788 refuted. 0 times theorem prover too weak. 17622 trivial. 0 not checked. [2022-07-23 13:27:07,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194968746] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:07,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:07,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 32 [2022-07-23 13:27:07,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194305562] [2022-07-23 13:27:07,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:07,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-23 13:27:07,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:07,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-23 13:27:07,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2022-07-23 13:27:07,587 INFO L87 Difference]: Start difference. First operand 3518 states and 4313 transitions. Second operand has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-23 13:27:08,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:08,606 INFO L93 Difference]: Finished difference Result 5992 states and 7380 transitions. [2022-07-23 13:27:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-23 13:27:08,607 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) Word has length 814 [2022-07-23 13:27:08,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:08,617 INFO L225 Difference]: With dead ends: 5992 [2022-07-23 13:27:08,617 INFO L226 Difference]: Without dead ends: 3518 [2022-07-23 13:27:08,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1841 GetRequests, 1772 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=823, Invalid=3869, Unknown=0, NotChecked=0, Total=4692 [2022-07-23 13:27:08,624 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 250 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:08,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 297 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 13:27:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2022-07-23 13:27:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3497. [2022-07-23 13:27:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3497 states, 2822 states have (on average 1.068036853295535) internal successors, (3014), 2784 states have internal predecessors, (3014), 426 states have call successors, (426), 173 states have call predecessors, (426), 247 states have return successors, (840), 539 states have call predecessors, (840), 426 states have call successors, (840) [2022-07-23 13:27:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4280 transitions. [2022-07-23 13:27:08,868 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4280 transitions. Word has length 814 [2022-07-23 13:27:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:08,869 INFO L495 AbstractCegarLoop]: Abstraction has 3497 states and 4280 transitions. [2022-07-23 13:27:08,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-23 13:27:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4280 transitions. [2022-07-23 13:27:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-07-23 13:27:08,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:08,876 INFO L195 NwaCegarLoop]: trace histogram [76, 75, 57, 33, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 24, 19, 16, 16, 15, 15, 15, 15, 15, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:27:08,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-07-23 13:27:09,077 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 [2022-07-23 13:27:09,077 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:09,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash -789009950, now seen corresponding path program 14 times [2022-07-23 13:27:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:09,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870846845] [2022-07-23 13:27:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-23 13:27:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-23 13:27:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 1871 proven. 276 refuted. 0 times theorem prover too weak. 15467 trivial. 0 not checked. [2022-07-23 13:27:09,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:09,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870846845] [2022-07-23 13:27:09,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870846845] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:09,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004960856] [2022-07-23 13:27:09,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 13:27:09,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:09,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:09,584 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) [2022-07-23 13:27:09,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-07-23 13:27:09,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 13:27:09,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:09,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-23 13:27:09,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 2191 proven. 284 refuted. 0 times theorem prover too weak. 15139 trivial. 0 not checked. [2022-07-23 13:27:10,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 1939 proven. 548 refuted. 0 times theorem prover too weak. 15127 trivial. 0 not checked. [2022-07-23 13:27:11,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004960856] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:11,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:11,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 22, 24] total 50 [2022-07-23 13:27:11,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907621988] [2022-07-23 13:27:11,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:11,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-07-23 13:27:11,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:11,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-07-23 13:27:11,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2226, Unknown=0, NotChecked=0, Total=2450 [2022-07-23 13:27:11,607 INFO L87 Difference]: Start difference. First operand 3497 states and 4280 transitions. Second operand has 50 states, 50 states have (on average 4.38) internal successors, (219), 47 states have internal predecessors, (219), 28 states have call successors, (37), 4 states have call predecessors, (37), 6 states have return successors, (36), 27 states have call predecessors, (36), 25 states have call successors, (36) [2022-07-23 13:27:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:15,136 INFO L93 Difference]: Finished difference Result 8024 states and 10829 transitions. [2022-07-23 13:27:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-07-23 13:27:15,137 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.38) internal successors, (219), 47 states have internal predecessors, (219), 28 states have call successors, (37), 4 states have call predecessors, (37), 6 states have return successors, (36), 27 states have call predecessors, (36), 25 states have call successors, (36) Word has length 785 [2022-07-23 13:27:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:15,154 INFO L225 Difference]: With dead ends: 8024 [2022-07-23 13:27:15,154 INFO L226 Difference]: Without dead ends: 5570 [2022-07-23 13:27:15,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1830 GetRequests, 1709 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4572 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1807, Invalid=12955, Unknown=0, NotChecked=0, Total=14762 [2022-07-23 13:27:15,163 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 466 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 3972 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 4403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 3972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:15,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 988 Invalid, 4403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 3972 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 13:27:15,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5570 states. [2022-07-23 13:27:15,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5570 to 4679. [2022-07-23 13:27:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4679 states, 3749 states have (on average 1.0680181381701788) internal successors, (4004), 3709 states have internal predecessors, (4004), 576 states have call successors, (576), 222 states have call predecessors, (576), 352 states have return successors, (1353), 747 states have call predecessors, (1353), 576 states have call successors, (1353) [2022-07-23 13:27:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 5933 transitions. [2022-07-23 13:27:15,494 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 5933 transitions. Word has length 785 [2022-07-23 13:27:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:15,494 INFO L495 AbstractCegarLoop]: Abstraction has 4679 states and 5933 transitions. [2022-07-23 13:27:15,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.38) internal successors, (219), 47 states have internal predecessors, (219), 28 states have call successors, (37), 4 states have call predecessors, (37), 6 states have return successors, (36), 27 states have call predecessors, (36), 25 states have call successors, (36) [2022-07-23 13:27:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 5933 transitions. [2022-07-23 13:27:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2022-07-23 13:27:15,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:15,502 INFO L195 NwaCegarLoop]: trace histogram [85, 82, 64, 38, 31, 31, 31, 31, 31, 31, 31, 31, 31, 29, 29, 28, 28, 26, 21, 16, 16, 15, 15, 15, 15, 15, 7, 7, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:27:15,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-07-23 13:27:15,702 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 [2022-07-23 13:27:15,702 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:15,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash 656176640, now seen corresponding path program 15 times [2022-07-23 13:27:15,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:15,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743088718] [2022-07-23 13:27:15,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-23 13:27:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-07-23 13:27:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-23 13:27:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-07-23 13:27:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 1597 proven. 485 refuted. 0 times theorem prover too weak. 19632 trivial. 0 not checked. [2022-07-23 13:27:16,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:16,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743088718] [2022-07-23 13:27:16,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743088718] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:16,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512219204] [2022-07-23 13:27:16,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 13:27:16,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:16,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:16,192 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) [2022-07-23 13:27:16,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-07-23 13:27:16,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-07-23 13:27:16,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:16,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 41 conjunts are in the unsatisfiable core [2022-07-23 13:27:16,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 3953 proven. 168 refuted. 0 times theorem prover too weak. 17593 trivial. 0 not checked. [2022-07-23 13:27:16,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 4010 proven. 166 refuted. 0 times theorem prover too weak. 17538 trivial. 0 not checked. [2022-07-23 13:27:18,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512219204] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:18,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:18,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 15] total 37 [2022-07-23 13:27:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824870957] [2022-07-23 13:27:18,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:18,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-07-23 13:27:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:18,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-07-23 13:27:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1197, Unknown=0, NotChecked=0, Total=1332 [2022-07-23 13:27:18,611 INFO L87 Difference]: Start difference. First operand 4679 states and 5933 transitions. Second operand has 37 states, 37 states have (on average 3.3783783783783785) internal successors, (125), 31 states have internal predecessors, (125), 14 states have call successors, (19), 4 states have call predecessors, (19), 7 states have return successors, (26), 22 states have call predecessors, (26), 13 states have call successors, (26) [2022-07-23 13:27:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:22,317 INFO L93 Difference]: Finished difference Result 8636 states and 12048 transitions. [2022-07-23 13:27:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-07-23 13:27:22,317 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3783783783783785) internal successors, (125), 31 states have internal predecessors, (125), 14 states have call successors, (19), 4 states have call predecessors, (19), 7 states have return successors, (26), 22 states have call predecessors, (26), 13 states have call successors, (26) Word has length 865 [2022-07-23 13:27:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:22,343 INFO L225 Difference]: With dead ends: 8636 [2022-07-23 13:27:22,343 INFO L226 Difference]: Without dead ends: 7492 [2022-07-23 13:27:22,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2043 GetRequests, 1891 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8193 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2794, Invalid=20768, Unknown=0, NotChecked=0, Total=23562 [2022-07-23 13:27:22,354 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 740 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 1033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1033 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:22,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 464 Invalid, 3540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1033 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 13:27:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2022-07-23 13:27:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 5936. [2022-07-23 13:27:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5936 states, 4747 states have (on average 1.0564567095007373) internal successors, (5015), 4681 states have internal predecessors, (5015), 703 states have call successors, (703), 240 states have call predecessors, (703), 484 states have return successors, (2352), 1014 states have call predecessors, (2352), 703 states have call successors, (2352) [2022-07-23 13:27:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5936 states to 5936 states and 8070 transitions. [2022-07-23 13:27:22,741 INFO L78 Accepts]: Start accepts. Automaton has 5936 states and 8070 transitions. Word has length 865 [2022-07-23 13:27:22,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:22,742 INFO L495 AbstractCegarLoop]: Abstraction has 5936 states and 8070 transitions. [2022-07-23 13:27:22,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3783783783783785) internal successors, (125), 31 states have internal predecessors, (125), 14 states have call successors, (19), 4 states have call predecessors, (19), 7 states have return successors, (26), 22 states have call predecessors, (26), 13 states have call successors, (26) [2022-07-23 13:27:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5936 states and 8070 transitions. [2022-07-23 13:27:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1245 [2022-07-23 13:27:22,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:22,756 INFO L195 NwaCegarLoop]: trace histogram [124, 119, 95, 60, 47, 47, 47, 47, 47, 47, 47, 47, 47, 44, 44, 43, 43, 35, 29, 17, 17, 16, 16, 16, 16, 16, 13, 13, 12, 12, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-23 13:27:22,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-07-23 13:27:22,956 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 [2022-07-23 13:27:22,957 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:22,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1355909200, now seen corresponding path program 16 times [2022-07-23 13:27:22,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:22,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69114863] [2022-07-23 13:27:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 13:27:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 13:27:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 13:27:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 13:27:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 13:27:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 13:27:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 13:27:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 13:27:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 13:27:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-23 13:27:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-07-23 13:27:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 771 [2022-07-23 13:27:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-07-23 13:27:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2022-07-23 13:27:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2022-07-23 13:27:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:27:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:27:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:27:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:27:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 46856 backedges. 2096 proven. 1745 refuted. 0 times theorem prover too weak. 43015 trivial. 0 not checked. [2022-07-23 13:27:23,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:23,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69114863] [2022-07-23 13:27:23,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69114863] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:23,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665999440] [2022-07-23 13:27:23,727 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 13:27:23,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:23,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:23,732 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) [2022-07-23 13:27:23,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-07-23 13:27:24,036 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 13:27:24,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:24,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-23 13:27:24,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 46856 backedges. 22622 proven. 1626 refuted. 0 times theorem prover too weak. 22608 trivial. 0 not checked. [2022-07-23 13:27:24,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:27:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 46856 backedges. 3625 proven. 3895 refuted. 0 times theorem prover too weak. 39336 trivial. 0 not checked. [2022-07-23 13:27:26,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665999440] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:27:26,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:27:26,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 23] total 57 [2022-07-23 13:27:26,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553934877] [2022-07-23 13:27:26,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:27:26,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-07-23 13:27:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:27:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-07-23 13:27:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2973, Unknown=0, NotChecked=0, Total=3192 [2022-07-23 13:27:26,411 INFO L87 Difference]: Start difference. First operand 5936 states and 8070 transitions. Second operand has 57 states, 57 states have (on average 4.526315789473684) internal successors, (258), 51 states have internal predecessors, (258), 33 states have call successors, (47), 10 states have call predecessors, (47), 10 states have return successors, (41), 25 states have call predecessors, (41), 31 states have call successors, (41) [2022-07-23 13:27:37,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:27:37,986 INFO L93 Difference]: Finished difference Result 21846 states and 34134 transitions. [2022-07-23 13:27:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2022-07-23 13:27:37,987 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 4.526315789473684) internal successors, (258), 51 states have internal predecessors, (258), 33 states have call successors, (47), 10 states have call predecessors, (47), 10 states have return successors, (41), 25 states have call predecessors, (41), 31 states have call successors, (41) Word has length 1244 [2022-07-23 13:27:37,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:27:38,053 INFO L225 Difference]: With dead ends: 21846 [2022-07-23 13:27:38,053 INFO L226 Difference]: Without dead ends: 15455 [2022-07-23 13:27:38,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2977 GetRequests, 2741 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19056 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=6052, Invalid=50354, Unknown=0, NotChecked=0, Total=56406 [2022-07-23 13:27:38,082 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1861 mSDsluCounter, 2189 mSDsCounter, 0 mSdLazyCounter, 10418 mSolverCounterSat, 2479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 12897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2479 IncrementalHoareTripleChecker+Valid, 10418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 13:27:38,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 2294 Invalid, 12897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2479 Valid, 10418 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 13:27:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15455 states. [2022-07-23 13:27:38,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15455 to 11568. [2022-07-23 13:27:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11568 states, 9234 states have (on average 1.04396794455274) internal successors, (9640), 9091 states have internal predecessors, (9640), 1404 states have call successors, (1404), 463 states have call predecessors, (1404), 928 states have return successors, (4701), 2013 states have call predecessors, (4701), 1400 states have call successors, (4701) [2022-07-23 13:27:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11568 states to 11568 states and 15745 transitions. [2022-07-23 13:27:39,033 INFO L78 Accepts]: Start accepts. Automaton has 11568 states and 15745 transitions. Word has length 1244 [2022-07-23 13:27:39,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:27:39,034 INFO L495 AbstractCegarLoop]: Abstraction has 11568 states and 15745 transitions. [2022-07-23 13:27:39,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.526315789473684) internal successors, (258), 51 states have internal predecessors, (258), 33 states have call successors, (47), 10 states have call predecessors, (47), 10 states have return successors, (41), 25 states have call predecessors, (41), 31 states have call successors, (41) [2022-07-23 13:27:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 11568 states and 15745 transitions. [2022-07-23 13:27:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2022-07-23 13:27:39,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:27:39,045 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1, 1, 1] [2022-07-23 13:27:39,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-07-23 13:27:39,245 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 [2022-07-23 13:27:39,246 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:27:39,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:27:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash -274592780, now seen corresponding path program 6 times [2022-07-23 13:27:39,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:27:39,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657645064] [2022-07-23 13:27:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:27:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:27:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:27:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:27:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:27:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:27:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:27:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:27:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 13:27:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 13:27:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 13:27:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 13:27:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 13:27:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 13:27:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 13:27:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 13:27:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 13:27:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 13:27:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 13:27:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 13:27:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 13:27:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 13:27:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 13:27:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 13:27:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 13:27:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 13:27:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 13:27:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 13:27:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 13:27:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-23 13:27:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 13:27:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 13:27:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 13:27:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 13:27:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 13:27:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 13:27:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 13:27:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 13:27:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 13:27:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 13:27:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 13:27:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 13:27:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 13:27:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 13:27:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 13:27:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 13:27:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 13:27:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 13:27:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-23 13:27:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 13:27:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-23 13:27:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 13:27:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-23 13:27:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-23 13:27:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 13:27:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 13:27:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-23 13:27:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-23 13:27:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-23 13:27:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-23 13:27:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 13:27:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-23 13:27:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-23 13:27:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-07-23 13:27:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-07-23 13:27:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-07-23 13:27:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-07-23 13:27:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-23 13:27:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-07-23 13:27:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-23 13:27:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-23 13:27:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-07-23 13:27:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-07-23 13:27:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-07-23 13:27:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-07-23 13:27:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-07-23 13:27:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-07-23 13:27:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-07-23 13:27:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-07-23 13:27:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2022-07-23 13:27:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2022-07-23 13:27:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-23 13:27:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2022-07-23 13:27:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-07-23 13:27:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-07-23 13:27:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-07-23 13:27:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2022-07-23 13:27:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-07-23 13:27:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-07-23 13:27:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2022-07-23 13:27:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2022-07-23 13:27:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-07-23 13:27:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2022-07-23 13:27:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-07-23 13:27:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-07-23 13:27:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2022-07-23 13:27:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2022-07-23 13:27:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:27:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-23 13:27:48,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:27:48,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657645064] [2022-07-23 13:27:48,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657645064] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:27:48,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046092234] [2022-07-23 13:27:48,155 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-23 13:27:48,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:27:48,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:27:48,160 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) [2022-07-23 13:27:48,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-07-23 13:27:48,735 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-07-23 13:27:48,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:27:48,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 191 conjunts are in the unsatisfiable core [2022-07-23 13:27:48,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:27:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-23 13:27:49,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:28:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-23 13:28:11,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046092234] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:28:11,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:28:11,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2022-07-23 13:28:11,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147326115] [2022-07-23 13:28:11,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:28:11,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2022-07-23 13:28:11,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:28:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2022-07-23 13:28:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2022-07-23 13:28:11,768 INFO L87 Difference]: Start difference. First operand 11568 states and 15745 transitions. Second operand has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 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) [2022-07-23 13:29:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:29:08,242 INFO L93 Difference]: Finished difference Result 35748 states and 55412 transitions. [2022-07-23 13:29:08,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2022-07-23 13:29:08,243 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 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) Word has length 954 [2022-07-23 13:29:08,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:29:08,387 INFO L225 Difference]: With dead ends: 35748 [2022-07-23 13:29:08,387 INFO L226 Difference]: Without dead ends: 35747 [2022-07-23 13:29:08,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2477 GetRequests, 1907 SyntacticMatches, 0 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71254 ImplicationChecksByTransitivity, 44.7s TimeCoverageRelationStatistics Valid=91296, Invalid=235316, Unknown=0, NotChecked=0, Total=326612 [2022-07-23 13:29:08,426 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 6502 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6502 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 13:29:08,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6502 Valid, 1741 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 13:29:08,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35747 states. [2022-07-23 13:29:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35747 to 12144. [2022-07-23 13:29:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12144 states, 9714 states have (on average 1.0516779905291331) internal successors, (10216), 9571 states have internal predecessors, (10216), 1500 states have call successors, (1500), 463 states have call predecessors, (1500), 928 states have return successors, (4797), 2109 states have call predecessors, (4797), 1496 states have call successors, (4797) [2022-07-23 13:29:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12144 states to 12144 states and 16513 transitions. [2022-07-23 13:29:10,391 INFO L78 Accepts]: Start accepts. Automaton has 12144 states and 16513 transitions. Word has length 954 [2022-07-23 13:29:10,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:29:10,392 INFO L495 AbstractCegarLoop]: Abstraction has 12144 states and 16513 transitions. [2022-07-23 13:29:10,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 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) [2022-07-23 13:29:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12144 states and 16513 transitions. [2022-07-23 13:29:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1579 [2022-07-23 13:29:10,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:29:10,418 INFO L195 NwaCegarLoop]: trace histogram [153, 151, 121, 70, 61, 61, 61, 61, 60, 60, 60, 60, 60, 60, 60, 59, 59, 51, 32, 23, 23, 22, 22, 22, 22, 22, 9, 9, 9, 9, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-07-23 13:29:10,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-07-23 13:29:10,643 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 [2022-07-23 13:29:10,643 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-23 13:29:10,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:29:10,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2113612594, now seen corresponding path program 17 times [2022-07-23 13:29:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:29:10,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516842842] [2022-07-23 13:29:10,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:29:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:29:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 13:29:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-23 13:29:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 13:29:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 13:29:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 13:29:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 13:29:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 13:29:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 13:29:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 13:29:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 13:29:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 13:29:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 13:29:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 13:29:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 13:29:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-23 13:29:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-23 13:29:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-23 13:29:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:29:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2022-07-23 13:29:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:29:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2022-07-23 13:29:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 13:29:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 13:29:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1028 [2022-07-23 13:29:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2022-07-23 13:29:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 13:29:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 13:29:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 13:29:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2022-07-23 13:29:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 13:29:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 13:29:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 13:29:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1508 [2022-07-23 13:29:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 13:29:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 13:29:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 13:29:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 13:29:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:29:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 75030 backedges. 5445 proven. 3441 refuted. 0 times theorem prover too weak. 66144 trivial. 0 not checked. [2022-07-23 13:29:11,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:29:11,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516842842] [2022-07-23 13:29:11,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516842842] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 13:29:11,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486566293] [2022-07-23 13:29:11,855 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-23 13:29:11,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 13:29:11,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:29:11,860 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) [2022-07-23 13:29:11,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-07-23 13:29:12,252 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-07-23 13:29:12,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 13:29:12,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 13:29:12,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 13:29:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 75030 backedges. 25674 proven. 277 refuted. 0 times theorem prover too weak. 49079 trivial. 0 not checked. [2022-07-23 13:29:12,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 13:29:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 75030 backedges. 8113 proven. 1658 refuted. 0 times theorem prover too weak. 65259 trivial. 0 not checked. [2022-07-23 13:29:15,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486566293] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 13:29:15,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 13:29:15,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 20] total 52 [2022-07-23 13:29:15,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737387242] [2022-07-23 13:29:15,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 13:29:15,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-07-23 13:29:15,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:29:15,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-07-23 13:29:15,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2394, Unknown=0, NotChecked=0, Total=2652 [2022-07-23 13:29:15,280 INFO L87 Difference]: Start difference. First operand 12144 states and 16513 transitions. Second operand has 52 states, 52 states have (on average 4.9423076923076925) internal successors, (257), 52 states have internal predecessors, (257), 29 states have call successors, (40), 2 states have call predecessors, (40), 13 states have return successors, (44), 28 states have call predecessors, (44), 29 states have call successors, (44)