./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/systemc/pc_sfifo_3.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:19:12,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:19:12,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:19:12,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:19:12,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:19:12,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:19:12,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:19:12,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:19:12,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:19:12,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:19:12,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:19:12,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:19:12,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:19:12,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:19:12,442 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:19:12,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:19:12,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:19:12,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:19:12,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:19:12,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:19:12,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:19:12,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:19:12,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:19:12,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:19:12,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:19:12,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:19:12,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:19:12,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:19:12,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:19:12,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:19:12,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:19:12,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:19:12,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:19:12,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:19:12,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:19:12,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:19:12,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:19:12,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:19:12,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:19:12,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:19:12,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:19:12,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:19:12,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:19:12,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:19:12,455 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2024-11-09 12:19:12,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:19:12,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:19:12,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:19:12,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:19:12,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:19:12,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-11-09 12:19:14,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:19:14,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:19:14,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-11-09 12:19:14,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d3bac78/dd289a3ba8784077a254b1a11decbb33/FLAGf6057081f [2024-11-09 12:19:14,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23d3bac78/dd289a3ba8784077a254b1a11decbb33 [2024-11-09 12:19:14,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:19:14,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:19:14,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:19:14,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:19:14,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:19:14,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cab377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14, skipping insertion in model container [2024-11-09 12:19:14,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:19:14,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:19:14,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:19:14,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:19:14,882 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:19:14,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14 WrapperNode [2024-11-09 12:19:14,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:19:14,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:19:14,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:19:14,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:19:14,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,923 INFO L138 Inliner]: procedures = 31, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 238 [2024-11-09 12:19:14,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:19:14,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:19:14,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:19:14,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:19:14,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,965 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:19:14,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:19:14,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:19:14,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:19:14,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:19:14,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (1/1) ... [2024-11-09 12:19:14,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:19:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:15,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:19:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:19:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:19:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-09 12:19:15,065 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-09 12:19:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-09 12:19:15,065 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-09 12:19:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-09 12:19:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-09 12:19:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-09 12:19:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-09 12:19:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-09 12:19:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-09 12:19:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-09 12:19:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-09 12:19:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:19:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-09 12:19:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-09 12:19:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:19:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:19:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-09 12:19:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-09 12:19:15,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:19:15,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:19:15,425 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1 == ~q_free~0); [2024-11-09 12:19:15,426 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2024-11-09 12:19:15,477 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-09 12:19:15,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:19:15,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:19:15,504 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 12:19:15,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:15 BoogieIcfgContainer [2024-11-09 12:19:15,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:19:15,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:19:15,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:19:15,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:19:15,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:19:14" (1/3) ... [2024-11-09 12:19:15,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4727ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:19:15, skipping insertion in model container [2024-11-09 12:19:15,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:14" (2/3) ... [2024-11-09 12:19:15,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4727ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:19:15, skipping insertion in model container [2024-11-09 12:19:15,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:15" (3/3) ... [2024-11-09 12:19:15,517 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2024-11-09 12:19:15,537 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:19:15,538 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 12:19:15,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:19:15,638 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51cba321, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:19:15,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 12:19:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 100 states have (on average 1.54) internal successors, (154), 109 states have internal predecessors, (154), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 12:19:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 12:19:15,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:15,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:15,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:15,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:15,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1129189650, now seen corresponding path program 1 times [2024-11-09 12:19:15,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:15,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895412371] [2024-11-09 12:19:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:19:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 12:19:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:16,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:16,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895412371] [2024-11-09 12:19:16,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895412371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:16,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:16,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:16,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035849545] [2024-11-09 12:19:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:16,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:16,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:16,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:16,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:16,410 INFO L87 Difference]: Start difference. First operand has 131 states, 100 states have (on average 1.54) internal successors, (154), 109 states have internal predecessors, (154), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:17,261 INFO L93 Difference]: Finished difference Result 416 states and 608 transitions. [2024-11-09 12:19:17,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:19:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-09 12:19:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:17,280 INFO L225 Difference]: With dead ends: 416 [2024-11-09 12:19:17,281 INFO L226 Difference]: Without dead ends: 280 [2024-11-09 12:19:17,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:19:17,288 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 475 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:17,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 450 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:19:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-09 12:19:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 239. [2024-11-09 12:19:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 190 states have (on average 1.4421052631578948) internal successors, (274), 198 states have internal predecessors, (274), 27 states have call successors, (27), 14 states have call predecessors, (27), 16 states have return successors, (32), 28 states have call predecessors, (32), 27 states have call successors, (32) [2024-11-09 12:19:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 333 transitions. [2024-11-09 12:19:17,378 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 333 transitions. Word has length 61 [2024-11-09 12:19:17,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:17,380 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 333 transitions. [2024-11-09 12:19:17,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 333 transitions. [2024-11-09 12:19:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 12:19:17,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:17,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:17,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:19:17,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:17,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:17,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1332525650, now seen corresponding path program 1 times [2024-11-09 12:19:17,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484393621] [2024-11-09 12:19:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:19:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 12:19:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:17,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:17,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484393621] [2024-11-09 12:19:17,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484393621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:17,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:17,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554183272] [2024-11-09 12:19:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:17,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:17,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:17,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:17,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:17,676 INFO L87 Difference]: Start difference. First operand 239 states and 333 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:18,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:18,506 INFO L93 Difference]: Finished difference Result 658 states and 923 transitions. [2024-11-09 12:19:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 12:19:18,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-09 12:19:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:18,517 INFO L225 Difference]: With dead ends: 658 [2024-11-09 12:19:18,517 INFO L226 Difference]: Without dead ends: 435 [2024-11-09 12:19:18,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:19:18,522 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 452 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:18,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 846 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:19:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-09 12:19:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 357. [2024-11-09 12:19:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 286 states have (on average 1.4335664335664335) internal successors, (410), 296 states have internal predecessors, (410), 40 states have call successors, (40), 21 states have call predecessors, (40), 25 states have return successors, (53), 42 states have call predecessors, (53), 40 states have call successors, (53) [2024-11-09 12:19:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 503 transitions. [2024-11-09 12:19:18,599 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 503 transitions. Word has length 61 [2024-11-09 12:19:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:18,600 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 503 transitions. [2024-11-09 12:19:18,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 503 transitions. [2024-11-09 12:19:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 12:19:18,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:18,606 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:18,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:19:18,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:18,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:18,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1023279600, now seen corresponding path program 1 times [2024-11-09 12:19:18,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:18,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781529185] [2024-11-09 12:19:18,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:19:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 12:19:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:18,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:18,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781529185] [2024-11-09 12:19:18,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781529185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:18,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:18,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:18,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638641522] [2024-11-09 12:19:18,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:18,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:18,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:18,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:18,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:18,745 INFO L87 Difference]: Start difference. First operand 357 states and 503 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:19:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:19,426 INFO L93 Difference]: Finished difference Result 1061 states and 1487 transitions. [2024-11-09 12:19:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:19:19,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 61 [2024-11-09 12:19:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:19,435 INFO L225 Difference]: With dead ends: 1061 [2024-11-09 12:19:19,436 INFO L226 Difference]: Without dead ends: 726 [2024-11-09 12:19:19,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:19:19,441 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 472 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:19,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 661 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:19,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-09 12:19:19,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 650. [2024-11-09 12:19:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 524 states have (on average 1.4026717557251909) internal successors, (735), 538 states have internal predecessors, (735), 70 states have call successors, (70), 42 states have call predecessors, (70), 50 states have return successors, (91), 72 states have call predecessors, (91), 70 states have call successors, (91) [2024-11-09 12:19:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 896 transitions. [2024-11-09 12:19:19,529 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 896 transitions. Word has length 61 [2024-11-09 12:19:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:19,529 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 896 transitions. [2024-11-09 12:19:19,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:19:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 896 transitions. [2024-11-09 12:19:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 12:19:19,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:19,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:19,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:19:19,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:19,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:19,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1255356148, now seen corresponding path program 1 times [2024-11-09 12:19:19,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:19,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146431427] [2024-11-09 12:19:19,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:19:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 12:19:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:19,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:19,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146431427] [2024-11-09 12:19:19,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146431427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:19,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:19,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 12:19:19,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276236531] [2024-11-09 12:19:19,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:19,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:19:19,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:19,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:19:19,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:19:19,705 INFO L87 Difference]: Start difference. First operand 650 states and 896 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:20,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:20,196 INFO L93 Difference]: Finished difference Result 1350 states and 1868 transitions. [2024-11-09 12:19:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:19:20,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 63 [2024-11-09 12:19:20,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:20,202 INFO L225 Difference]: With dead ends: 1350 [2024-11-09 12:19:20,203 INFO L226 Difference]: Without dead ends: 722 [2024-11-09 12:19:20,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:19:20,209 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 183 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:20,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 615 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-09 12:19:20,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 665. [2024-11-09 12:19:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 536 states have (on average 1.3880597014925373) internal successors, (744), 550 states have internal predecessors, (744), 70 states have call successors, (70), 42 states have call predecessors, (70), 53 states have return successors, (94), 75 states have call predecessors, (94), 70 states have call successors, (94) [2024-11-09 12:19:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 908 transitions. [2024-11-09 12:19:20,282 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 908 transitions. Word has length 63 [2024-11-09 12:19:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:20,283 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 908 transitions. [2024-11-09 12:19:20,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 908 transitions. [2024-11-09 12:19:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 12:19:20,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:20,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:20,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:19:20,288 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:20,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:20,289 INFO L85 PathProgramCache]: Analyzing trace with hash 860989362, now seen corresponding path program 1 times [2024-11-09 12:19:20,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:20,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710404264] [2024-11-09 12:19:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 12:19:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 12:19:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:20,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710404264] [2024-11-09 12:19:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710404264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:20,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:20,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 12:19:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641080829] [2024-11-09 12:19:20,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:20,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:19:20,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:20,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:19:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:19:20,475 INFO L87 Difference]: Start difference. First operand 665 states and 908 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:19:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:22,184 INFO L93 Difference]: Finished difference Result 2968 states and 4170 transitions. [2024-11-09 12:19:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 12:19:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 63 [2024-11-09 12:19:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:22,213 INFO L225 Difference]: With dead ends: 2968 [2024-11-09 12:19:22,213 INFO L226 Difference]: Without dead ends: 2325 [2024-11-09 12:19:22,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 12:19:22,220 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1078 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:22,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1219 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:19:22,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2024-11-09 12:19:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2053. [2024-11-09 12:19:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 1650 states have (on average 1.3515151515151516) internal successors, (2230), 1684 states have internal predecessors, (2230), 217 states have call successors, (217), 144 states have call predecessors, (217), 180 states have return successors, (333), 227 states have call predecessors, (333), 217 states have call successors, (333) [2024-11-09 12:19:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2780 transitions. [2024-11-09 12:19:22,389 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2780 transitions. Word has length 63 [2024-11-09 12:19:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:22,390 INFO L471 AbstractCegarLoop]: Abstraction has 2053 states and 2780 transitions. [2024-11-09 12:19:22,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 12:19:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2780 transitions. [2024-11-09 12:19:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 12:19:22,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:22,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:22,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:19:22,394 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:22,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:22,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1099173703, now seen corresponding path program 1 times [2024-11-09 12:19:22,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:22,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070442551] [2024-11-09 12:19:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:22,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:22,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:22,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070442551] [2024-11-09 12:19:22,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070442551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:22,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:22,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 12:19:22,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375541523] [2024-11-09 12:19:22,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:22,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:19:22,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:19:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:19:22,542 INFO L87 Difference]: Start difference. First operand 2053 states and 2780 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:23,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:23,170 INFO L93 Difference]: Finished difference Result 4409 states and 6065 transitions. [2024-11-09 12:19:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:19:23,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-11-09 12:19:23,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:23,186 INFO L225 Difference]: With dead ends: 4409 [2024-11-09 12:19:23,187 INFO L226 Difference]: Without dead ends: 2378 [2024-11-09 12:19:23,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:19:23,197 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 185 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:23,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 613 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:23,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2024-11-09 12:19:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2158. [2024-11-09 12:19:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1734 states have (on average 1.334486735870819) internal successors, (2314), 1768 states have internal predecessors, (2314), 217 states have call successors, (217), 144 states have call predecessors, (217), 201 states have return successors, (357), 248 states have call predecessors, (357), 217 states have call successors, (357) [2024-11-09 12:19:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 2888 transitions. [2024-11-09 12:19:23,397 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 2888 transitions. Word has length 64 [2024-11-09 12:19:23,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:23,400 INFO L471 AbstractCegarLoop]: Abstraction has 2158 states and 2888 transitions. [2024-11-09 12:19:23,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2888 transitions. [2024-11-09 12:19:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 12:19:23,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:23,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:23,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:19:23,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:23,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:23,403 INFO L85 PathProgramCache]: Analyzing trace with hash 824054331, now seen corresponding path program 1 times [2024-11-09 12:19:23,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:23,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14000088] [2024-11-09 12:19:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:23,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:23,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14000088] [2024-11-09 12:19:23,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14000088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:23,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:23,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:23,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504797726] [2024-11-09 12:19:23,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:23,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:23,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:23,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:23,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:23,586 INFO L87 Difference]: Start difference. First operand 2158 states and 2888 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:24,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:24,498 INFO L93 Difference]: Finished difference Result 4519 states and 6106 transitions. [2024-11-09 12:19:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 12:19:24,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2024-11-09 12:19:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:24,517 INFO L225 Difference]: With dead ends: 4519 [2024-11-09 12:19:24,517 INFO L226 Difference]: Without dead ends: 2571 [2024-11-09 12:19:24,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-09 12:19:24,527 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 412 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:24,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 567 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2024-11-09 12:19:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2177. [2024-11-09 12:19:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 1753 states have (on average 1.3285795778665146) internal successors, (2329), 1783 states have internal predecessors, (2329), 219 states have call successors, (219), 146 states have call predecessors, (219), 199 states have return successors, (351), 250 states have call predecessors, (351), 219 states have call successors, (351) [2024-11-09 12:19:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2899 transitions. [2024-11-09 12:19:24,777 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2899 transitions. Word has length 64 [2024-11-09 12:19:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:24,778 INFO L471 AbstractCegarLoop]: Abstraction has 2177 states and 2899 transitions. [2024-11-09 12:19:24,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2899 transitions. [2024-11-09 12:19:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 12:19:24,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:24,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:24,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:19:24,780 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:24,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:24,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1042909049, now seen corresponding path program 1 times [2024-11-09 12:19:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:24,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909116024] [2024-11-09 12:19:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:24,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:24,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909116024] [2024-11-09 12:19:24,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909116024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:24,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:24,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:24,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408150274] [2024-11-09 12:19:24,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:24,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:24,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:24,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:24,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:24,933 INFO L87 Difference]: Start difference. First operand 2177 states and 2899 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:25,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:25,647 INFO L93 Difference]: Finished difference Result 6800 states and 9202 transitions. [2024-11-09 12:19:25,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:19:25,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 64 [2024-11-09 12:19:25,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:25,679 INFO L225 Difference]: With dead ends: 6800 [2024-11-09 12:19:25,680 INFO L226 Difference]: Without dead ends: 4648 [2024-11-09 12:19:25,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:19:25,690 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 457 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:25,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 387 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2024-11-09 12:19:26,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 4280. [2024-11-09 12:19:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 3420 states have (on average 1.3058479532163743) internal successors, (4466), 3474 states have internal predecessors, (4466), 445 states have call successors, (445), 292 states have call predecessors, (445), 409 states have return successors, (822), 519 states have call predecessors, (822), 445 states have call successors, (822) [2024-11-09 12:19:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5733 transitions. [2024-11-09 12:19:26,092 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5733 transitions. Word has length 64 [2024-11-09 12:19:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:26,093 INFO L471 AbstractCegarLoop]: Abstraction has 4280 states and 5733 transitions. [2024-11-09 12:19:26,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5733 transitions. [2024-11-09 12:19:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 12:19:26,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:26,097 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:26,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:19:26,097 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:26,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash -359946878, now seen corresponding path program 1 times [2024-11-09 12:19:26,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:26,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576714707] [2024-11-09 12:19:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:26,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:26,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576714707] [2024-11-09 12:19:26,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576714707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:26,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:26,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603276290] [2024-11-09 12:19:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:26,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:26,193 INFO L87 Difference]: Start difference. First operand 4280 states and 5733 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:26,947 INFO L93 Difference]: Finished difference Result 8398 states and 11315 transitions. [2024-11-09 12:19:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:19:26,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2024-11-09 12:19:26,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:26,977 INFO L225 Difference]: With dead ends: 8398 [2024-11-09 12:19:26,978 INFO L226 Difference]: Without dead ends: 4152 [2024-11-09 12:19:26,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:19:26,995 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 337 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:26,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 347 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2024-11-09 12:19:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 3700. [2024-11-09 12:19:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 2927 states have (on average 1.284591732148958) internal successors, (3760), 2978 states have internal predecessors, (3760), 417 states have call successors, (417), 282 states have call predecessors, (417), 352 states have return successors, (660), 445 states have call predecessors, (660), 417 states have call successors, (660) [2024-11-09 12:19:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 4837 transitions. [2024-11-09 12:19:27,357 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 4837 transitions. Word has length 65 [2024-11-09 12:19:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:27,358 INFO L471 AbstractCegarLoop]: Abstraction has 3700 states and 4837 transitions. [2024-11-09 12:19:27,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 12:19:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 4837 transitions. [2024-11-09 12:19:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 12:19:27,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:27,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:27,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:19:27,363 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:27,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:27,364 INFO L85 PathProgramCache]: Analyzing trace with hash 392777273, now seen corresponding path program 1 times [2024-11-09 12:19:27,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:27,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455315272] [2024-11-09 12:19:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:27,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 12:19:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 12:19:27,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:27,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455315272] [2024-11-09 12:19:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455315272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:27,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:27,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939407967] [2024-11-09 12:19:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:27,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:27,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:27,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:27,478 INFO L87 Difference]: Start difference. First operand 3700 states and 4837 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:19:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:28,385 INFO L93 Difference]: Finished difference Result 11548 states and 15158 transitions. [2024-11-09 12:19:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:19:28,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-09 12:19:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:28,437 INFO L225 Difference]: With dead ends: 11548 [2024-11-09 12:19:28,437 INFO L226 Difference]: Without dead ends: 7888 [2024-11-09 12:19:28,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:19:28,453 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 501 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:28,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 402 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2024-11-09 12:19:29,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7244. [2024-11-09 12:19:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7244 states, 5681 states have (on average 1.2731913395528955) internal successors, (7233), 5804 states have internal predecessors, (7233), 833 states have call successors, (833), 564 states have call predecessors, (833), 726 states have return successors, (1434), 887 states have call predecessors, (1434), 833 states have call successors, (1434) [2024-11-09 12:19:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7244 states to 7244 states and 9500 transitions. [2024-11-09 12:19:29,394 INFO L78 Accepts]: Start accepts. Automaton has 7244 states and 9500 transitions. Word has length 79 [2024-11-09 12:19:29,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:29,395 INFO L471 AbstractCegarLoop]: Abstraction has 7244 states and 9500 transitions. [2024-11-09 12:19:29,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:19:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 7244 states and 9500 transitions. [2024-11-09 12:19:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 12:19:29,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:29,401 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:29,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:19:29,402 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:29,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:29,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1993732233, now seen corresponding path program 1 times [2024-11-09 12:19:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:29,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803399715] [2024-11-09 12:19:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 12:19:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:19:29,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:29,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803399715] [2024-11-09 12:19:29,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803399715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:29,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567609865] [2024-11-09 12:19:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:29,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:29,476 INFO L87 Difference]: Start difference. First operand 7244 states and 9500 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:30,162 INFO L93 Difference]: Finished difference Result 13380 states and 17460 transitions. [2024-11-09 12:19:30,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:19:30,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 79 [2024-11-09 12:19:30,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:30,216 INFO L225 Difference]: With dead ends: 13380 [2024-11-09 12:19:30,217 INFO L226 Difference]: Without dead ends: 6176 [2024-11-09 12:19:30,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:19:30,238 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 303 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:30,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 215 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:19:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2024-11-09 12:19:30,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5648. [2024-11-09 12:19:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5648 states, 4443 states have (on average 1.2694125590817016) internal successors, (5640), 4538 states have internal predecessors, (5640), 631 states have call successors, (631), 438 states have call predecessors, (631), 570 states have return successors, (1102), 677 states have call predecessors, (1102), 631 states have call successors, (1102) [2024-11-09 12:19:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5648 states to 5648 states and 7373 transitions. [2024-11-09 12:19:30,738 INFO L78 Accepts]: Start accepts. Automaton has 5648 states and 7373 transitions. Word has length 79 [2024-11-09 12:19:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:30,738 INFO L471 AbstractCegarLoop]: Abstraction has 5648 states and 7373 transitions. [2024-11-09 12:19:30,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 12:19:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 5648 states and 7373 transitions. [2024-11-09 12:19:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 12:19:30,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:30,742 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:30,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 12:19:30,742 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:30,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:30,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1989217644, now seen corresponding path program 1 times [2024-11-09 12:19:30,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:30,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865732580] [2024-11-09 12:19:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:30,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:19:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 12:19:30,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:30,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865732580] [2024-11-09 12:19:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865732580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 12:19:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268343076] [2024-11-09 12:19:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:30,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:19:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:19:30,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:19:30,865 INFO L87 Difference]: Start difference. First operand 5648 states and 7373 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 12:19:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:32,460 INFO L93 Difference]: Finished difference Result 10973 states and 14234 transitions. [2024-11-09 12:19:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 12:19:32,461 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 80 [2024-11-09 12:19:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:32,503 INFO L225 Difference]: With dead ends: 10973 [2024-11-09 12:19:32,503 INFO L226 Difference]: Without dead ends: 6160 [2024-11-09 12:19:32,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-09 12:19:32,525 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1424 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:32,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 569 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:19:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6160 states. [2024-11-09 12:19:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6160 to 5648. [2024-11-09 12:19:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5648 states, 4443 states have (on average 1.2545577312626603) internal successors, (5574), 4538 states have internal predecessors, (5574), 631 states have call successors, (631), 438 states have call predecessors, (631), 570 states have return successors, (1015), 677 states have call predecessors, (1015), 631 states have call successors, (1015) [2024-11-09 12:19:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5648 states to 5648 states and 7220 transitions. [2024-11-09 12:19:33,243 INFO L78 Accepts]: Start accepts. Automaton has 5648 states and 7220 transitions. Word has length 80 [2024-11-09 12:19:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:33,244 INFO L471 AbstractCegarLoop]: Abstraction has 5648 states and 7220 transitions. [2024-11-09 12:19:33,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 12:19:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5648 states and 7220 transitions. [2024-11-09 12:19:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 12:19:33,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:33,249 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:33,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:19:33,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1560234343, now seen corresponding path program 1 times [2024-11-09 12:19:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:33,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352494400] [2024-11-09 12:19:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 12:19:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 12:19:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 12:19:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 12:19:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 12:19:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 12:19:33,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352494400] [2024-11-09 12:19:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352494400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251958821] [2024-11-09 12:19:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:33,392 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) [2024-11-09 12:19:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:19:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:33,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 12:19:33,698 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251958821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:33,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:33,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-11-09 12:19:33,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021253527] [2024-11-09 12:19:33,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:33,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:33,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:33,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:33,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:33,703 INFO L87 Difference]: Start difference. First operand 5648 states and 7220 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 12:19:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:34,030 INFO L93 Difference]: Finished difference Result 5648 states and 7220 transitions. [2024-11-09 12:19:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 106 [2024-11-09 12:19:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:34,058 INFO L225 Difference]: With dead ends: 5648 [2024-11-09 12:19:34,058 INFO L226 Difference]: Without dead ends: 5647 [2024-11-09 12:19:34,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:34,063 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 78 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:34,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 146 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5647 states. [2024-11-09 12:19:34,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5647 to 5647. [2024-11-09 12:19:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5647 states, 4443 states have (on average 1.2424037812288995) internal successors, (5520), 4537 states have internal predecessors, (5520), 631 states have call successors, (631), 438 states have call predecessors, (631), 570 states have return successors, (1015), 677 states have call predecessors, (1015), 631 states have call successors, (1015) [2024-11-09 12:19:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 5647 states and 7166 transitions. [2024-11-09 12:19:34,537 INFO L78 Accepts]: Start accepts. Automaton has 5647 states and 7166 transitions. Word has length 106 [2024-11-09 12:19:34,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:34,538 INFO L471 AbstractCegarLoop]: Abstraction has 5647 states and 7166 transitions. [2024-11-09 12:19:34,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 12:19:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 7166 transitions. [2024-11-09 12:19:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 12:19:34,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:34,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:34,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:19:34,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 12:19:34,745 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:34,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:34,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1122624708, now seen corresponding path program 1 times [2024-11-09 12:19:34,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:34,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170445315] [2024-11-09 12:19:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:34,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 12:19:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 12:19:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 12:19:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 12:19:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 12:19:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 12:19:34,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:34,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170445315] [2024-11-09 12:19:34,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170445315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:34,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022209324] [2024-11-09 12:19:34,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:34,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:34,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:34,907 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) [2024-11-09 12:19:34,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:19:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:34,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 12:19:35,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:35,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022209324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:35,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:35,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-11-09 12:19:35,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713584908] [2024-11-09 12:19:35,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:35,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:35,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:35,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:35,124 INFO L87 Difference]: Start difference. First operand 5647 states and 7166 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 12:19:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:35,866 INFO L93 Difference]: Finished difference Result 16751 states and 21204 transitions. [2024-11-09 12:19:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-09 12:19:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:35,917 INFO L225 Difference]: With dead ends: 16751 [2024-11-09 12:19:35,918 INFO L226 Difference]: Without dead ends: 9557 [2024-11-09 12:19:35,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:35,945 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 76 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:35,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 305 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9557 states. [2024-11-09 12:19:36,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9557 to 9555. [2024-11-09 12:19:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9555 states, 7521 states have (on average 1.2309533306741125) internal successors, (9258), 7675 states have internal predecessors, (9258), 1054 states have call successors, (1054), 750 states have call predecessors, (1054), 978 states have return successors, (1739), 1132 states have call predecessors, (1739), 1054 states have call successors, (1739) [2024-11-09 12:19:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9555 states to 9555 states and 12051 transitions. [2024-11-09 12:19:36,797 INFO L78 Accepts]: Start accepts. Automaton has 9555 states and 12051 transitions. Word has length 107 [2024-11-09 12:19:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:36,798 INFO L471 AbstractCegarLoop]: Abstraction has 9555 states and 12051 transitions. [2024-11-09 12:19:36,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 12:19:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 9555 states and 12051 transitions. [2024-11-09 12:19:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 12:19:36,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:36,816 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:36,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:19:37,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:19:37,017 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:37,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 610758822, now seen corresponding path program 1 times [2024-11-09 12:19:37,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:37,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979383011] [2024-11-09 12:19:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:37,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:19:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 12:19:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 12:19:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 12:19:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 12:19:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 12:19:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 12:19:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 12:19:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 12:19:37,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979383011] [2024-11-09 12:19:37,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979383011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:37,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540875356] [2024-11-09 12:19:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:37,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:37,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:37,188 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) [2024-11-09 12:19:37,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:19:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:37,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 12:19:37,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540875356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:37,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:37,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-11-09 12:19:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073418957] [2024-11-09 12:19:37,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:37,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:37,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:37,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:37,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:37,481 INFO L87 Difference]: Start difference. First operand 9555 states and 12051 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 12:19:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:38,535 INFO L93 Difference]: Finished difference Result 9555 states and 12051 transitions. [2024-11-09 12:19:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:38,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 151 [2024-11-09 12:19:38,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:38,595 INFO L225 Difference]: With dead ends: 9555 [2024-11-09 12:19:38,595 INFO L226 Difference]: Without dead ends: 9554 [2024-11-09 12:19:38,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:38,605 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:38,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 145 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9554 states. [2024-11-09 12:19:39,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9554 to 9554. [2024-11-09 12:19:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9554 states, 7521 states have (on average 1.2285600319106502) internal successors, (9240), 7674 states have internal predecessors, (9240), 1054 states have call successors, (1054), 750 states have call predecessors, (1054), 978 states have return successors, (1739), 1132 states have call predecessors, (1739), 1054 states have call successors, (1739) [2024-11-09 12:19:39,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9554 states to 9554 states and 12033 transitions. [2024-11-09 12:19:39,662 INFO L78 Accepts]: Start accepts. Automaton has 9554 states and 12033 transitions. Word has length 151 [2024-11-09 12:19:39,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:39,663 INFO L471 AbstractCegarLoop]: Abstraction has 9554 states and 12033 transitions. [2024-11-09 12:19:39,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 12:19:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 9554 states and 12033 transitions. [2024-11-09 12:19:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 12:19:39,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:39,685 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:39,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:19:39,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:39,887 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:39,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1753654532, now seen corresponding path program 1 times [2024-11-09 12:19:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142576250] [2024-11-09 12:19:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:39,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:19:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 12:19:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 12:19:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 12:19:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 12:19:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 12:19:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 12:19:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 12:19:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 12:19:40,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142576250] [2024-11-09 12:19:40,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142576250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:40,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838269322] [2024-11-09 12:19:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:40,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:40,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:40,110 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) [2024-11-09 12:19:40,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:19:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:40,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:40,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 12:19:40,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:40,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838269322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:40,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:40,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-11-09 12:19:40,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379803681] [2024-11-09 12:19:40,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:40,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:40,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:40,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:40,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:40,407 INFO L87 Difference]: Start difference. First operand 9554 states and 12033 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 12:19:41,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:41,436 INFO L93 Difference]: Finished difference Result 17493 states and 22099 transitions. [2024-11-09 12:19:41,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:41,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 152 [2024-11-09 12:19:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:41,537 INFO L225 Difference]: With dead ends: 17493 [2024-11-09 12:19:41,537 INFO L226 Difference]: Without dead ends: 17492 [2024-11-09 12:19:41,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:41,556 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:41,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 275 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:41,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17492 states. [2024-11-09 12:19:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17492 to 17492. [2024-11-09 12:19:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17492 states, 13779 states have (on average 1.2292619203135207) internal successors, (16938), 14060 states have internal predecessors, (16938), 1918 states have call successors, (1918), 1374 states have call predecessors, (1918), 1794 states have return successors, (3225), 2060 states have call predecessors, (3225), 1918 states have call successors, (3225) [2024-11-09 12:19:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17492 states to 17492 states and 22081 transitions. [2024-11-09 12:19:43,144 INFO L78 Accepts]: Start accepts. Automaton has 17492 states and 22081 transitions. Word has length 152 [2024-11-09 12:19:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:43,145 INFO L471 AbstractCegarLoop]: Abstraction has 17492 states and 22081 transitions. [2024-11-09 12:19:43,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 12:19:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17492 states and 22081 transitions. [2024-11-09 12:19:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-09 12:19:43,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:43,205 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:43,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:19:43,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 12:19:43,407 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:43,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1748667366, now seen corresponding path program 1 times [2024-11-09 12:19:43,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:43,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951899881] [2024-11-09 12:19:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:19:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 12:19:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 12:19:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:19:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 12:19:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 12:19:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 12:19:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 12:19:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 12:19:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 12:19:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 12:19:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 12:19:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 12:19:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 12:19:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 12:19:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:19:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 12:19:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 12:19:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 12:19:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-09 12:19:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-09 12:19:43,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951899881] [2024-11-09 12:19:43,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951899881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817730047] [2024-11-09 12:19:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:43,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:43,625 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) [2024-11-09 12:19:43,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:19:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:43,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:43,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-09 12:19:43,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:43,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817730047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:43,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-09 12:19:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733464750] [2024-11-09 12:19:43,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:43,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:43,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:43,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:43,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:43,876 INFO L87 Difference]: Start difference. First operand 17492 states and 22081 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 12:19:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:46,854 INFO L93 Difference]: Finished difference Result 49414 states and 62478 transitions. [2024-11-09 12:19:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:46,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 245 [2024-11-09 12:19:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:47,023 INFO L225 Difference]: With dead ends: 49414 [2024-11-09 12:19:47,024 INFO L226 Difference]: Without dead ends: 33537 [2024-11-09 12:19:47,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:19:47,073 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 62 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:47,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 274 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33537 states. [2024-11-09 12:19:49,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33537 to 33374. [2024-11-09 12:19:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33374 states, 26277 states have (on average 1.2247973512958101) internal successors, (32184), 26814 states have internal predecessors, (32184), 3628 states have call successors, (3628), 2748 states have call predecessors, (3628), 3468 states have return successors, (5865), 3814 states have call predecessors, (5865), 3628 states have call successors, (5865) [2024-11-09 12:19:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33374 states to 33374 states and 41677 transitions. [2024-11-09 12:19:49,763 INFO L78 Accepts]: Start accepts. Automaton has 33374 states and 41677 transitions. Word has length 245 [2024-11-09 12:19:49,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:49,764 INFO L471 AbstractCegarLoop]: Abstraction has 33374 states and 41677 transitions. [2024-11-09 12:19:49,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 12:19:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 33374 states and 41677 transitions. [2024-11-09 12:19:50,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-09 12:19:50,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:50,254 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:50,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 12:19:50,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:19:50,455 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:50,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:50,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1188624081, now seen corresponding path program 1 times [2024-11-09 12:19:50,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:50,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379506669] [2024-11-09 12:19:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:19:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 12:19:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 12:19:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:19:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 12:19:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 12:19:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 12:19:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 12:19:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 12:19:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:19:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 12:19:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 12:19:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 12:19:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 12:19:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 12:19:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 12:19:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 12:19:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-09 12:19:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 12:19:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 12:19:50,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:50,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379506669] [2024-11-09 12:19:50,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379506669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:50,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173828640] [2024-11-09 12:19:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:50,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:50,692 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) [2024-11-09 12:19:50,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:19:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:50,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-09 12:19:50,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:50,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173828640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:50,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:50,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-09 12:19:50,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187390612] [2024-11-09 12:19:50,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:50,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:50,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:50,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:50,874 INFO L87 Difference]: Start difference. First operand 33374 states and 41677 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 12:19:54,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:54,295 INFO L93 Difference]: Finished difference Result 66651 states and 84218 transitions. [2024-11-09 12:19:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:19:54,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 251 [2024-11-09 12:19:54,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:54,536 INFO L225 Difference]: With dead ends: 66651 [2024-11-09 12:19:54,536 INFO L226 Difference]: Without dead ends: 42752 [2024-11-09 12:19:54,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:54,804 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 141 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:54,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 271 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:19:54,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42752 states. [2024-11-09 12:19:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42752 to 42679. [2024-11-09 12:19:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42679 states, 33573 states have (on average 1.2177642748637298) internal successors, (40884), 34130 states have internal predecessors, (40884), 4721 states have call successors, (4721), 3580 states have call predecessors, (4721), 4384 states have return successors, (7475), 4971 states have call predecessors, (7475), 4721 states have call successors, (7475) [2024-11-09 12:19:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42679 states to 42679 states and 53080 transitions. [2024-11-09 12:19:59,227 INFO L78 Accepts]: Start accepts. Automaton has 42679 states and 53080 transitions. Word has length 251 [2024-11-09 12:19:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:59,228 INFO L471 AbstractCegarLoop]: Abstraction has 42679 states and 53080 transitions. [2024-11-09 12:19:59,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 12:19:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 42679 states and 53080 transitions. [2024-11-09 12:19:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-09 12:19:59,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:59,310 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:59,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:19:59,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:19:59,511 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:59,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:59,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1170421357, now seen corresponding path program 1 times [2024-11-09 12:19:59,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:59,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199258719] [2024-11-09 12:19:59,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:59,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 12:19:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 12:19:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 12:19:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:19:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 12:19:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 12:19:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 12:19:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 12:19:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 12:19:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:19:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 12:19:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 12:19:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 12:19:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 12:19:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 12:19:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 12:19:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-09 12:19:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 12:19:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-09 12:19:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-09 12:19:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 12:19:59,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199258719] [2024-11-09 12:19:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199258719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:19:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159930676] [2024-11-09 12:19:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:59,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:19:59,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:59,691 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) [2024-11-09 12:19:59,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:19:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:59,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 12:19:59,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:19:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-09 12:19:59,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:19:59,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159930676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:59,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:19:59,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-09 12:19:59,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302270966] [2024-11-09 12:19:59,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:59,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:19:59,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:59,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:19:59,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:59,884 INFO L87 Difference]: Start difference. First operand 42679 states and 53080 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 12:20:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:04,558 INFO L93 Difference]: Finished difference Result 91389 states and 114823 transitions. [2024-11-09 12:20:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:20:04,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 251 [2024-11-09 12:20:04,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:04,840 INFO L225 Difference]: With dead ends: 91389 [2024-11-09 12:20:04,841 INFO L226 Difference]: Without dead ends: 43764 [2024-11-09 12:20:04,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:20:04,966 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 111 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:04,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 258 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:20:05,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43764 states.