./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/termination-numeric/Parts.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:59:32,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:59:33,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:59:33,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:59:33,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:59:33,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:59:33,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:59:33,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:59:33,073 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:59:33,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:59:33,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:59:33,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:59:33,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:59:33,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:59:33,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:59:33,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:59:33,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:59:33,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:59:33,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:59:33,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:59:33,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:59:33,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:59:33,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:59:33,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:59:33,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:59:33,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:59:33,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:59:33,082 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:59:33,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:59:33,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:59:33,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:59:33,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:59:33,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:59:33,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:59:33,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:59:33,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:59:33,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:59:33,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:59:33,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:59:33,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:59:33,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:59:33,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2024-11-17 03:59:33,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:59:33,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:59:33,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:59:33,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:59:33,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:59:33,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2024-11-17 03:59:34,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:59:35,066 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:59:35,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2024-11-17 03:59:35,073 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fb72b25/e8494d80826a4fa7a0f3826eeb3dfbeb/FLAG5b03a6095 [2024-11-17 03:59:35,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fb72b25/e8494d80826a4fa7a0f3826eeb3dfbeb [2024-11-17 03:59:35,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:59:35,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:59:35,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:59:35,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:59:35,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:59:35,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513f30c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35, skipping insertion in model container [2024-11-17 03:59:35,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:59:35,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:59:35,300 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:59:35,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:59:35,336 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:59:35,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35 WrapperNode [2024-11-17 03:59:35,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:59:35,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:59:35,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:59:35,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:59:35,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,367 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-17 03:59:35,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:59:35,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:59:35,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:59:35,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:59:35,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,387 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:59:35,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:59:35,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:59:35,405 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:59:35,405 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:59:35,406 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (1/1) ... [2024-11-17 03:59:35,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:59:35,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:35,448 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) [2024-11-17 03:59:35,453 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 [2024-11-17 03:59:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2024-11-17 03:59:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2024-11-17 03:59:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:59:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:59:35,548 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:59:35,549 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:59:35,702 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-17 03:59:35,702 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:59:35,720 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:59:35,720 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:59:35,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:35 BoogieIcfgContainer [2024-11-17 03:59:35,721 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:59:35,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:59:35,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:59:35,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:59:35,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:59:35" (1/3) ... [2024-11-17 03:59:35,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7384faef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:35, skipping insertion in model container [2024-11-17 03:59:35,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:35" (2/3) ... [2024-11-17 03:59:35,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7384faef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:35, skipping insertion in model container [2024-11-17 03:59:35,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:35" (3/3) ... [2024-11-17 03:59:35,732 INFO L112 eAbstractionObserver]: Analyzing ICFG Parts.c [2024-11-17 03:59:35,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:59:35,745 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 03:59:35,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:59:35,805 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;@79d2c239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:59:35,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 03:59:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 44 states have internal predecessors, (53), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 03:59:35,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:35,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:35,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:35,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:35,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1762874318, now seen corresponding path program 1 times [2024-11-17 03:59:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:35,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670557144] [2024-11-17 03:59:35,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:35,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:35,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670557144] [2024-11-17 03:59:35,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670557144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:35,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:35,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:59:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225828995] [2024-11-17 03:59:35,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:35,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:59:35,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:59:36,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:59:36,017 INFO L87 Difference]: Start difference. First operand has 50 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 44 states have internal predecessors, (53), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,046 INFO L93 Difference]: Finished difference Result 96 states and 116 transitions. [2024-11-17 03:59:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 03:59:36,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 03:59:36,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,057 INFO L225 Difference]: With dead ends: 96 [2024-11-17 03:59:36,057 INFO L226 Difference]: Without dead ends: 46 [2024-11-17 03:59:36,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:59:36,066 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:36,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-17 03:59:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-17 03:59:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 40 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2024-11-17 03:59:36,158 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 9 [2024-11-17 03:59:36,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,159 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2024-11-17 03:59:36,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2024-11-17 03:59:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:59:36,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:36,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:59:36,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:36,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1185448951, now seen corresponding path program 1 times [2024-11-17 03:59:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:36,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434635725] [2024-11-17 03:59:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:36,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:36,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434635725] [2024-11-17 03:59:36,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434635725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:36,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:36,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:59:36,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025198345] [2024-11-17 03:59:36,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:36,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:36,306 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,394 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2024-11-17 03:59:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:36,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:59:36,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,396 INFO L225 Difference]: With dead ends: 90 [2024-11-17 03:59:36,396 INFO L226 Difference]: Without dead ends: 48 [2024-11-17 03:59:36,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:59:36,398 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 19 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 125 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-17 03:59:36,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-17 03:59:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 42 states have internal predecessors, (47), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-11-17 03:59:36,411 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 10 [2024-11-17 03:59:36,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,411 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-17 03:59:36,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,412 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-11-17 03:59:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-17 03:59:36,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:36,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:59:36,413 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:36,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:36,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1777057960, now seen corresponding path program 1 times [2024-11-17 03:59:36,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:36,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208140591] [2024-11-17 03:59:36,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:36,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:36,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208140591] [2024-11-17 03:59:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208140591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:36,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:59:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075573751] [2024-11-17 03:59:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:36,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:59:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:59:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:59:36,458 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,499 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2024-11-17 03:59:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:59:36,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-17 03:59:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,502 INFO L225 Difference]: With dead ends: 50 [2024-11-17 03:59:36,502 INFO L226 Difference]: Without dead ends: 49 [2024-11-17 03:59:36,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:59:36,504 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 12 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 81 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-17 03:59:36,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-17 03:59:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.393939393939394) internal successors, (46), 41 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2024-11-17 03:59:36,517 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 14 [2024-11-17 03:59:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,518 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2024-11-17 03:59:36,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2024-11-17 03:59:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 03:59:36,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:36,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:59:36,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:36,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash -767804510, now seen corresponding path program 1 times [2024-11-17 03:59:36,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:36,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724884107] [2024-11-17 03:59:36,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:36,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724884107] [2024-11-17 03:59:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724884107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:36,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:36,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:59:36,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200165228] [2024-11-17 03:59:36,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:36,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:36,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:36,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:36,629 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,662 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-11-17 03:59:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:36,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-17 03:59:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,664 INFO L225 Difference]: With dead ends: 47 [2024-11-17 03:59:36,664 INFO L226 Difference]: Without dead ends: 46 [2024-11-17 03:59:36,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:36,666 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 126 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-17 03:59:36,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-17 03:59:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 40 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2024-11-17 03:59:36,678 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 15 [2024-11-17 03:59:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,678 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2024-11-17 03:59:36,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2024-11-17 03:59:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 03:59:36,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:36,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:59:36,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:36,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:36,681 INFO L85 PathProgramCache]: Analyzing trace with hash -745778101, now seen corresponding path program 1 times [2024-11-17 03:59:36,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:36,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335350216] [2024-11-17 03:59:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:36,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:36,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335350216] [2024-11-17 03:59:36,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335350216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:36,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:36,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:36,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135885109] [2024-11-17 03:59:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:36,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:59:36,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:59:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:59:36,784 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,857 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2024-11-17 03:59:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:59:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-17 03:59:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,858 INFO L225 Difference]: With dead ends: 97 [2024-11-17 03:59:36,859 INFO L226 Difference]: Without dead ends: 55 [2024-11-17 03:59:36,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:36,860 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 8 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 167 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:36,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-17 03:59:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-11-17 03:59:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 03:59:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-17 03:59:36,875 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 15 [2024-11-17 03:59:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,876 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-17 03:59:36,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:59:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-17 03:59:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:59:36,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:36,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:59:36,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:36,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:36,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1967863972, now seen corresponding path program 1 times [2024-11-17 03:59:36,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:36,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550708627] [2024-11-17 03:59:36,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:59:36,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:36,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550708627] [2024-11-17 03:59:36,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550708627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:36,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:59:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704656248] [2024-11-17 03:59:36,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:36,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:36,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:36,949 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:36,976 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2024-11-17 03:59:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:36,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-17 03:59:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:36,978 INFO L225 Difference]: With dead ends: 57 [2024-11-17 03:59:36,978 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 03:59:36,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:36,981 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:36,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 132 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:36,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 03:59:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-17 03:59:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.325) internal successors, (53), 47 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 03:59:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2024-11-17 03:59:36,997 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 16 [2024-11-17 03:59:36,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:36,998 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-17 03:59:36,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2024-11-17 03:59:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 03:59:36,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:36,999 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:37,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:59:37,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:37,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:37,001 INFO L85 PathProgramCache]: Analyzing trace with hash -920678883, now seen corresponding path program 1 times [2024-11-17 03:59:37,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:37,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957586016] [2024-11-17 03:59:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:59:37,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:37,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957586016] [2024-11-17 03:59:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957586016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:37,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:37,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:59:37,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108697409] [2024-11-17 03:59:37,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:37,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:37,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:37,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:37,096 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:37,121 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2024-11-17 03:59:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-17 03:59:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:37,123 INFO L225 Difference]: With dead ends: 55 [2024-11-17 03:59:37,124 INFO L226 Difference]: Without dead ends: 54 [2024-11-17 03:59:37,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:37,127 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:37,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 119 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-17 03:59:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-17 03:59:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.3) internal successors, (52), 46 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 03:59:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-17 03:59:37,140 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 21 [2024-11-17 03:59:37,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:37,141 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-17 03:59:37,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-17 03:59:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 03:59:37,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:37,142 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:37,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:59:37,142 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:37,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:37,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1523725699, now seen corresponding path program 1 times [2024-11-17 03:59:37,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:37,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092554346] [2024-11-17 03:59:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:59:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:37,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092554346] [2024-11-17 03:59:37,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092554346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:37,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:37,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:59:37,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297091584] [2024-11-17 03:59:37,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:37,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:59:37,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:37,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:59:37,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:37,229 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:37,262 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-11-17 03:59:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:59:37,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-17 03:59:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:37,264 INFO L225 Difference]: With dead ends: 75 [2024-11-17 03:59:37,264 INFO L226 Difference]: Without dead ends: 74 [2024-11-17 03:59:37,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:59:37,265 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:37,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 131 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-17 03:59:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2024-11-17 03:59:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.25) internal successors, (70), 62 states have internal predecessors, (70), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 03:59:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2024-11-17 03:59:37,277 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2024-11-17 03:59:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:37,278 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2024-11-17 03:59:37,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2024-11-17 03:59:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:59:37,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:37,280 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:37,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:59:37,280 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:37,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1799114267, now seen corresponding path program 1 times [2024-11-17 03:59:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:37,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154457158] [2024-11-17 03:59:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:37,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:59:37,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:37,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154457158] [2024-11-17 03:59:37,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154457158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:37,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:37,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:37,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13841164] [2024-11-17 03:59:37,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:37,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:59:37,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:59:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:59:37,366 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:37,426 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2024-11-17 03:59:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:59:37,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-17 03:59:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:37,428 INFO L225 Difference]: With dead ends: 144 [2024-11-17 03:59:37,428 INFO L226 Difference]: Without dead ends: 81 [2024-11-17 03:59:37,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:37,430 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 5 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:37,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 169 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:37,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-17 03:59:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2024-11-17 03:59:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 68 states have internal predecessors, (76), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 03:59:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2024-11-17 03:59:37,444 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 26 [2024-11-17 03:59:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:37,444 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2024-11-17 03:59:37,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 03:59:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2024-11-17 03:59:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 03:59:37,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:37,445 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:37,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:59:37,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash -620786102, now seen corresponding path program 1 times [2024-11-17 03:59:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:37,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131311060] [2024-11-17 03:59:37,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:37,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:59:37,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131311060] [2024-11-17 03:59:37,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131311060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949537026] [2024-11-17 03:59:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:37,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:37,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:37,520 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) [2024-11-17 03:59:37,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:59:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:37,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:59:37,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:59:37,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:59:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949537026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:37,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:37,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-17 03:59:37,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723524306] [2024-11-17 03:59:37,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:37,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:59:37,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:59:37,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:59:37,747 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:37,801 INFO L93 Difference]: Finished difference Result 123 states and 150 transitions. [2024-11-17 03:59:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:59:37,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 27 [2024-11-17 03:59:37,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:37,802 INFO L225 Difference]: With dead ends: 123 [2024-11-17 03:59:37,802 INFO L226 Difference]: Without dead ends: 122 [2024-11-17 03:59:37,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:59:37,803 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:37,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:37,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-17 03:59:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-17 03:59:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 98 states have (on average 1.2040816326530612) internal successors, (118), 104 states have internal predecessors, (118), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 03:59:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2024-11-17 03:59:37,814 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 27 [2024-11-17 03:59:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:37,814 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2024-11-17 03:59:37,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2024-11-17 03:59:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 03:59:37,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:37,816 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:37,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:38,019 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,SelfDestructingSolverStorable9 [2024-11-17 03:59:38,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:38,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:38,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1738693923, now seen corresponding path program 1 times [2024-11-17 03:59:38,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:38,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529235783] [2024-11-17 03:59:38,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-17 03:59:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 03:59:38,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:38,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529235783] [2024-11-17 03:59:38,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529235783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:38,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393128765] [2024-11-17 03:59:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:38,180 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) [2024-11-17 03:59:38,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:59:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:38,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:59:38,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:59:38,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 03:59:38,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393128765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:38,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:38,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-17 03:59:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244819642] [2024-11-17 03:59:38,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:38,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 03:59:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 03:59:38,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:59:38,529 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 03:59:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:38,657 INFO L93 Difference]: Finished difference Result 200 states and 235 transitions. [2024-11-17 03:59:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 03:59:38,658 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2024-11-17 03:59:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:38,659 INFO L225 Difference]: With dead ends: 200 [2024-11-17 03:59:38,659 INFO L226 Difference]: Without dead ends: 123 [2024-11-17 03:59:38,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 7 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:59:38,660 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:38,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 303 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-17 03:59:38,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-17 03:59:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 98 states have (on average 1.1938775510204083) internal successors, (117), 104 states have internal predecessors, (117), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 03:59:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2024-11-17 03:59:38,679 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 41 [2024-11-17 03:59:38,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:38,679 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2024-11-17 03:59:38,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 03:59:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2024-11-17 03:59:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 03:59:38,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:38,680 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:38,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:59:38,884 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,SelfDestructingSolverStorable10 [2024-11-17 03:59:38,885 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:38,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:38,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1878232637, now seen corresponding path program 2 times [2024-11-17 03:59:38,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:38,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625480473] [2024-11-17 03:59:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 03:59:39,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:39,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625480473] [2024-11-17 03:59:39,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625480473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:39,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331276491] [2024-11-17 03:59:39,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:39,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:39,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:39,027 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) [2024-11-17 03:59:39,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:59:39,077 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:39,078 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:39,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 03:59:39,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:59:39,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:59:39,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331276491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:39,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:39,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2024-11-17 03:59:39,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722779314] [2024-11-17 03:59:39,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:39,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 03:59:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:39,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 03:59:39,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2024-11-17 03:59:39,466 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 03:59:40,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:40,465 INFO L93 Difference]: Finished difference Result 244 states and 292 transitions. [2024-11-17 03:59:40,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-17 03:59:40,465 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 52 [2024-11-17 03:59:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:40,467 INFO L225 Difference]: With dead ends: 244 [2024-11-17 03:59:40,467 INFO L226 Difference]: Without dead ends: 173 [2024-11-17 03:59:40,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=640, Invalid=3782, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:59:40,470 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 89 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:40,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 740 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:59:40,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-17 03:59:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 100. [2024-11-17 03:59:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 80 states have (on average 1.175) internal successors, (94), 85 states have internal predecessors, (94), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 03:59:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2024-11-17 03:59:40,480 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2024-11-17 03:59:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:40,481 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2024-11-17 03:59:40,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 03:59:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2024-11-17 03:59:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 03:59:40,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:40,483 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:40,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:59:40,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:40,687 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:40,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:40,688 INFO L85 PathProgramCache]: Analyzing trace with hash 330702239, now seen corresponding path program 1 times [2024-11-17 03:59:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:40,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826511126] [2024-11-17 03:59:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-17 03:59:40,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:40,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826511126] [2024-11-17 03:59:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826511126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 03:59:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888423356] [2024-11-17 03:59:40,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:40,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:59:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:40,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:59:40,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:59:40,830 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:59:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:40,933 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2024-11-17 03:59:40,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:59:40,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-11-17 03:59:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:40,935 INFO L225 Difference]: With dead ends: 165 [2024-11-17 03:59:40,935 INFO L226 Difference]: Without dead ends: 112 [2024-11-17 03:59:40,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:40,936 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 40 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:40,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 173 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:40,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-17 03:59:40,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2024-11-17 03:59:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 90 states have internal predecessors, (101), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-17 03:59:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2024-11-17 03:59:40,956 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 56 [2024-11-17 03:59:40,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:40,956 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2024-11-17 03:59:40,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:59:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2024-11-17 03:59:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 03:59:40,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:40,960 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:40,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:59:40,961 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:40,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:40,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1484356500, now seen corresponding path program 1 times [2024-11-17 03:59:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:40,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904403219] [2024-11-17 03:59:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:40,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:41,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:41,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-17 03:59:41,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:41,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904403219] [2024-11-17 03:59:41,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904403219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:41,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140301754] [2024-11-17 03:59:41,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:41,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:41,138 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) [2024-11-17 03:59:41,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:59:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:41,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:59:41,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-17 03:59:41,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-17 03:59:41,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140301754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:41,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:41,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-17 03:59:41,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274387956] [2024-11-17 03:59:41,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:41,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 03:59:41,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:41,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 03:59:41,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:59:41,380 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand has 15 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:41,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:41,657 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2024-11-17 03:59:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 03:59:41,657 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 57 [2024-11-17 03:59:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:41,660 INFO L225 Difference]: With dead ends: 179 [2024-11-17 03:59:41,660 INFO L226 Difference]: Without dead ends: 177 [2024-11-17 03:59:41,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-17 03:59:41,661 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 119 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:41,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 253 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:59:41,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-17 03:59:41,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159. [2024-11-17 03:59:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 131 states have (on average 1.1755725190839694) internal successors, (154), 133 states have internal predecessors, (154), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (21), 19 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-17 03:59:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 190 transitions. [2024-11-17 03:59:41,677 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 190 transitions. Word has length 57 [2024-11-17 03:59:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:41,678 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 190 transitions. [2024-11-17 03:59:41,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 03:59:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2024-11-17 03:59:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-17 03:59:41,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:41,679 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:41,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:41,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:41,880 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:41,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash -534200028, now seen corresponding path program 2 times [2024-11-17 03:59:41,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:41,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694412235] [2024-11-17 03:59:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 03:59:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 03:59:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:59:42,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694412235] [2024-11-17 03:59:42,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694412235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541180709] [2024-11-17 03:59:42,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:42,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:42,030 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) [2024-11-17 03:59:42,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:59:42,080 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:42,080 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:42,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 03:59:42,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:59:42,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:59:42,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541180709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:42,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:42,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-17 03:59:42,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382899215] [2024-11-17 03:59:42,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:42,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 03:59:42,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:42,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 03:59:42,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:59:42,330 INFO L87 Difference]: Start difference. First operand 159 states and 190 transitions. Second operand has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 03:59:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:42,449 INFO L93 Difference]: Finished difference Result 322 states and 404 transitions. [2024-11-17 03:59:42,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 03:59:42,450 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 60 [2024-11-17 03:59:42,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:42,452 INFO L225 Difference]: With dead ends: 322 [2024-11-17 03:59:42,452 INFO L226 Difference]: Without dead ends: 321 [2024-11-17 03:59:42,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:59:42,453 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:42,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 287 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:42,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-17 03:59:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 201. [2024-11-17 03:59:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 167 states have (on average 1.1736526946107784) internal successors, (196), 169 states have internal predecessors, (196), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2024-11-17 03:59:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 244 transitions. [2024-11-17 03:59:42,476 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 244 transitions. Word has length 60 [2024-11-17 03:59:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:42,476 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 244 transitions. [2024-11-17 03:59:42,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.238095238095238) internal successors, (68), 22 states have internal predecessors, (68), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 03:59:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 244 transitions. [2024-11-17 03:59:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 03:59:42,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:42,478 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:42,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:59:42,678 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,SelfDestructingSolverStorable14 [2024-11-17 03:59:42,679 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:42,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:42,679 INFO L85 PathProgramCache]: Analyzing trace with hash 790116833, now seen corresponding path program 1 times [2024-11-17 03:59:42,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:42,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894955371] [2024-11-17 03:59:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:42,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 03:59:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:59:42,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:42,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894955371] [2024-11-17 03:59:42,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894955371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783827590] [2024-11-17 03:59:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:42,783 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) [2024-11-17 03:59:42,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:59:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:42,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:59:42,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-17 03:59:42,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-17 03:59:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783827590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:43,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:43,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-17 03:59:43,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753977115] [2024-11-17 03:59:43,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:43,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 03:59:43,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:43,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 03:59:43,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-17 03:59:43,025 INFO L87 Difference]: Start difference. First operand 201 states and 244 transitions. Second operand has 17 states, 16 states have (on average 5.25) internal successors, (84), 14 states have internal predecessors, (84), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 03:59:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:43,723 INFO L93 Difference]: Finished difference Result 394 states and 532 transitions. [2024-11-17 03:59:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-17 03:59:43,724 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 14 states have internal predecessors, (84), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 65 [2024-11-17 03:59:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:43,726 INFO L225 Difference]: With dead ends: 394 [2024-11-17 03:59:43,727 INFO L226 Difference]: Without dead ends: 385 [2024-11-17 03:59:43,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=1265, Unknown=0, NotChecked=0, Total=1482 [2024-11-17 03:59:43,728 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 273 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:43,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 276 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:59:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-17 03:59:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 326. [2024-11-17 03:59:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 266 states have (on average 1.2330827067669172) internal successors, (328), 266 states have internal predecessors, (328), 38 states have call successors, (38), 12 states have call predecessors, (38), 17 states have return successors, (54), 47 states have call predecessors, (54), 38 states have call successors, (54) [2024-11-17 03:59:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 420 transitions. [2024-11-17 03:59:43,755 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 420 transitions. Word has length 65 [2024-11-17 03:59:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:43,755 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 420 transitions. [2024-11-17 03:59:43,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 14 states have internal predecessors, (84), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 03:59:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 420 transitions. [2024-11-17 03:59:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 03:59:43,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:43,758 INFO L215 NwaCegarLoop]: trace histogram [7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:43,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:59:43,958 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,SelfDestructingSolverStorable15 [2024-11-17 03:59:43,959 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:43,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash 902033293, now seen corresponding path program 1 times [2024-11-17 03:59:43,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:43,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090874336] [2024-11-17 03:59:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 03:59:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 03:59:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 42 proven. 11 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-17 03:59:44,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:44,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090874336] [2024-11-17 03:59:44,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090874336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:44,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023358934] [2024-11-17 03:59:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:44,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:44,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:44,073 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) [2024-11-17 03:59:44,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:59:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:59:44,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-17 03:59:44,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 42 proven. 11 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-17 03:59:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023358934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:44,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:44,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-17 03:59:44,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968161875] [2024-11-17 03:59:44,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:44,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 03:59:44,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:44,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 03:59:44,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 03:59:44,229 INFO L87 Difference]: Start difference. First operand 326 states and 420 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 03:59:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:44,390 INFO L93 Difference]: Finished difference Result 580 states and 785 transitions. [2024-11-17 03:59:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 03:59:44,391 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 03:59:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:44,393 INFO L225 Difference]: With dead ends: 580 [2024-11-17 03:59:44,395 INFO L226 Difference]: Without dead ends: 370 [2024-11-17 03:59:44,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 03:59:44,397 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 47 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:44,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 225 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-17 03:59:44,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 337. [2024-11-17 03:59:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 278 states have internal predecessors, (339), 38 states have call successors, (38), 13 states have call predecessors, (38), 18 states have return successors, (51), 45 states have call predecessors, (51), 38 states have call successors, (51) [2024-11-17 03:59:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 428 transitions. [2024-11-17 03:59:44,424 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 428 transitions. Word has length 77 [2024-11-17 03:59:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:44,424 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 428 transitions. [2024-11-17 03:59:44,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 03:59:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 428 transitions. [2024-11-17 03:59:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 03:59:44,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:44,426 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:44,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:59:44,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:44,627 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:44,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash 820274611, now seen corresponding path program 1 times [2024-11-17 03:59:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171797682] [2024-11-17 03:59:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 03:59:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 03:59:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-17 03:59:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:44,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171797682] [2024-11-17 03:59:44,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171797682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:44,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:44,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:44,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997444692] [2024-11-17 03:59:44,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:44,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:59:44,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:44,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:59:44,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:59:44,699 INFO L87 Difference]: Start difference. First operand 337 states and 428 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:44,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:44,765 INFO L93 Difference]: Finished difference Result 536 states and 732 transitions. [2024-11-17 03:59:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:59:44,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 72 [2024-11-17 03:59:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:44,767 INFO L225 Difference]: With dead ends: 536 [2024-11-17 03:59:44,768 INFO L226 Difference]: Without dead ends: 311 [2024-11-17 03:59:44,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:44,770 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 32 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:44,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 111 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:44,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-17 03:59:44,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-17 03:59:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 250 states have (on average 1.2) internal successors, (300), 261 states have internal predecessors, (300), 38 states have call successors, (38), 13 states have call predecessors, (38), 18 states have return successors, (46), 36 states have call predecessors, (46), 38 states have call successors, (46) [2024-11-17 03:59:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 384 transitions. [2024-11-17 03:59:44,787 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 384 transitions. Word has length 72 [2024-11-17 03:59:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:44,788 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 384 transitions. [2024-11-17 03:59:44,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 384 transitions. [2024-11-17 03:59:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-17 03:59:44,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:44,789 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:44,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 03:59:44,789 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:44,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash 321526280, now seen corresponding path program 2 times [2024-11-17 03:59:44,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:44,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574656202] [2024-11-17 03:59:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 03:59:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 03:59:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-17 03:59:44,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574656202] [2024-11-17 03:59:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574656202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845718441] [2024-11-17 03:59:44,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:44,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:44,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:44,859 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:44,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:59:44,909 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:44,909 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:44,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:59:44,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-17 03:59:44,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:59:44,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845718441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:44,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:59:44,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 03:59:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589773290] [2024-11-17 03:59:44,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:44,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:59:44,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:44,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:59:44,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:44,950 INFO L87 Difference]: Start difference. First operand 311 states and 384 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:44,991 INFO L93 Difference]: Finished difference Result 368 states and 473 transitions. [2024-11-17 03:59:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:59:44,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 73 [2024-11-17 03:59:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:44,994 INFO L225 Difference]: With dead ends: 368 [2024-11-17 03:59:44,994 INFO L226 Difference]: Without dead ends: 367 [2024-11-17 03:59:44,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:44,995 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 9 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:44,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 119 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-17 03:59:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 339. [2024-11-17 03:59:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 272 states have (on average 1.1838235294117647) internal successors, (322), 281 states have internal predecessors, (322), 38 states have call successors, (38), 13 states have call predecessors, (38), 24 states have return successors, (67), 44 states have call predecessors, (67), 38 states have call successors, (67) [2024-11-17 03:59:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 427 transitions. [2024-11-17 03:59:45,021 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 427 transitions. Word has length 73 [2024-11-17 03:59:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:45,022 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 427 transitions. [2024-11-17 03:59:45,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 427 transitions. [2024-11-17 03:59:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 03:59:45,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:45,024 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:45,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:59:45,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:45,225 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:45,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1377380063, now seen corresponding path program 1 times [2024-11-17 03:59:45,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:45,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567054198] [2024-11-17 03:59:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:45,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 03:59:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 03:59:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-17 03:59:45,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:45,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567054198] [2024-11-17 03:59:45,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567054198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:45,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:59:45,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:59:45,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223824663] [2024-11-17 03:59:45,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:45,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:59:45,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:45,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:59:45,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:59:45,323 INFO L87 Difference]: Start difference. First operand 339 states and 427 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:45,386 INFO L93 Difference]: Finished difference Result 458 states and 614 transitions. [2024-11-17 03:59:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:59:45,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 74 [2024-11-17 03:59:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:45,390 INFO L225 Difference]: With dead ends: 458 [2024-11-17 03:59:45,390 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 03:59:45,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:59:45,391 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:45,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 209 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:59:45,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 03:59:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 410. [2024-11-17 03:59:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 330 states have (on average 1.1636363636363636) internal successors, (384), 336 states have internal predecessors, (384), 46 states have call successors, (46), 13 states have call predecessors, (46), 29 states have return successors, (105), 60 states have call predecessors, (105), 46 states have call successors, (105) [2024-11-17 03:59:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 535 transitions. [2024-11-17 03:59:45,425 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 535 transitions. Word has length 74 [2024-11-17 03:59:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:45,426 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 535 transitions. [2024-11-17 03:59:45,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 03:59:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 535 transitions. [2024-11-17 03:59:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 03:59:45,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:45,427 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-17 03:59:45,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 03:59:45,428 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:45,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1631033795, now seen corresponding path program 1 times [2024-11-17 03:59:45,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:45,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810862181] [2024-11-17 03:59:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:45,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 03:59:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 03:59:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-17 03:59:45,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:45,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810862181] [2024-11-17 03:59:45,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810862181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:45,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488206541] [2024-11-17 03:59:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:45,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:45,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:45,599 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:45,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:59:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:45,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:59:45,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-17 03:59:45,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-17 03:59:45,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488206541] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:45,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:45,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 12 [2024-11-17 03:59:45,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576559608] [2024-11-17 03:59:45,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:45,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:59:45,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:45,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:59:45,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:59:45,861 INFO L87 Difference]: Start difference. First operand 410 states and 535 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 03:59:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:46,066 INFO L93 Difference]: Finished difference Result 711 states and 997 transitions. [2024-11-17 03:59:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:59:46,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 94 [2024-11-17 03:59:46,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:46,070 INFO L225 Difference]: With dead ends: 711 [2024-11-17 03:59:46,070 INFO L226 Difference]: Without dead ends: 407 [2024-11-17 03:59:46,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 194 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-17 03:59:46,074 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 50 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:46,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 225 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:46,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-17 03:59:46,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 391. [2024-11-17 03:59:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 317 states have (on average 1.1324921135646688) internal successors, (359), 321 states have internal predecessors, (359), 43 states have call successors, (43), 18 states have call predecessors, (43), 27 states have return successors, (81), 51 states have call predecessors, (81), 43 states have call successors, (81) [2024-11-17 03:59:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 483 transitions. [2024-11-17 03:59:46,108 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 483 transitions. Word has length 94 [2024-11-17 03:59:46,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:46,109 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 483 transitions. [2024-11-17 03:59:46,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 03:59:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 483 transitions. [2024-11-17 03:59:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-17 03:59:46,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:46,111 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:46,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:46,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:46,312 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:46,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash 367785373, now seen corresponding path program 1 times [2024-11-17 03:59:46,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:46,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108631312] [2024-11-17 03:59:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:46,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 03:59:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 03:59:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 03:59:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 73 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-17 03:59:46,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108631312] [2024-11-17 03:59:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108631312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966113359] [2024-11-17 03:59:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:46,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:46,405 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:46,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:59:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:46,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:59:46,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-17 03:59:46,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:59:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966113359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:59:46,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:59:46,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-17 03:59:46,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556597770] [2024-11-17 03:59:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:59:46,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:59:46,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:46,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:59:46,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:46,500 INFO L87 Difference]: Start difference. First operand 391 states and 483 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 03:59:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:46,606 INFO L93 Difference]: Finished difference Result 637 states and 816 transitions. [2024-11-17 03:59:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:59:46,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 93 [2024-11-17 03:59:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:46,610 INFO L225 Difference]: With dead ends: 637 [2024-11-17 03:59:46,610 INFO L226 Difference]: Without dead ends: 401 [2024-11-17 03:59:46,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:59:46,613 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 15 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:46,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 118 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:46,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-17 03:59:46,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 391. [2024-11-17 03:59:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 317 states have (on average 1.1293375394321767) internal successors, (358), 321 states have internal predecessors, (358), 43 states have call successors, (43), 18 states have call predecessors, (43), 27 states have return successors, (78), 51 states have call predecessors, (78), 43 states have call successors, (78) [2024-11-17 03:59:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 479 transitions. [2024-11-17 03:59:46,640 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 479 transitions. Word has length 93 [2024-11-17 03:59:46,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:46,641 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 479 transitions. [2024-11-17 03:59:46,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 03:59:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 479 transitions. [2024-11-17 03:59:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 03:59:46,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:46,644 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:46,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:46,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-17 03:59:46,844 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:46,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:46,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1576590634, now seen corresponding path program 1 times [2024-11-17 03:59:46,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:46,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924294549] [2024-11-17 03:59:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:46,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-17 03:59:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 03:59:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 03:59:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-17 03:59:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 42 proven. 58 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-17 03:59:47,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924294549] [2024-11-17 03:59:47,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924294549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363513760] [2024-11-17 03:59:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:47,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:47,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:47,030 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:47,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 03:59:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:59:47,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 121 proven. 49 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-17 03:59:47,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 42 proven. 58 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-17 03:59:47,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363513760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:47,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:47,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2024-11-17 03:59:47,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403409019] [2024-11-17 03:59:47,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:47,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 03:59:47,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:47,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 03:59:47,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:59:47,419 INFO L87 Difference]: Start difference. First operand 391 states and 479 transitions. Second operand has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 18 states have internal predecessors, (89), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-17 03:59:47,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:47,574 INFO L93 Difference]: Finished difference Result 685 states and 851 transitions. [2024-11-17 03:59:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 03:59:47,574 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 18 states have internal predecessors, (89), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 114 [2024-11-17 03:59:47,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:47,577 INFO L225 Difference]: With dead ends: 685 [2024-11-17 03:59:47,577 INFO L226 Difference]: Without dead ends: 407 [2024-11-17 03:59:47,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 230 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-17 03:59:47,579 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:47,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 344 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:59:47,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-17 03:59:47,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2024-11-17 03:59:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 329 states have (on average 1.121580547112462) internal successors, (369), 331 states have internal predecessors, (369), 43 states have call successors, (43), 18 states have call predecessors, (43), 27 states have return successors, (78), 53 states have call predecessors, (78), 43 states have call successors, (78) [2024-11-17 03:59:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2024-11-17 03:59:47,605 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 114 [2024-11-17 03:59:47,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:47,605 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2024-11-17 03:59:47,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 18 states have internal predecessors, (89), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-17 03:59:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2024-11-17 03:59:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-17 03:59:47,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:47,607 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:47,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 03:59:47,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 03:59:47,812 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:47,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:47,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2012223824, now seen corresponding path program 2 times [2024-11-17 03:59:47,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:47,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767872946] [2024-11-17 03:59:47,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:47,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 03:59:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-17 03:59:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 40 proven. 68 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-17 03:59:48,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767872946] [2024-11-17 03:59:48,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767872946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754123963] [2024-11-17 03:59:48,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:48,026 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:48,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 03:59:48,092 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:48,092 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:48,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 03:59:48,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 140 proven. 59 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-17 03:59:48,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 40 proven. 68 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-17 03:59:48,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754123963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:48,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:48,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-11-17 03:59:48,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909228359] [2024-11-17 03:59:48,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:48,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 03:59:48,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 03:59:48,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-17 03:59:48,479 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 17 states have internal predecessors, (89), 9 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-17 03:59:48,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:48,782 INFO L93 Difference]: Finished difference Result 624 states and 770 transitions. [2024-11-17 03:59:48,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 03:59:48,783 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 17 states have internal predecessors, (89), 9 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 125 [2024-11-17 03:59:48,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:48,785 INFO L225 Difference]: With dead ends: 624 [2024-11-17 03:59:48,785 INFO L226 Difference]: Without dead ends: 384 [2024-11-17 03:59:48,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 253 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-11-17 03:59:48,787 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:48,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 456 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:59:48,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-17 03:59:48,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 383. [2024-11-17 03:59:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 312 states have (on average 1.1185897435897436) internal successors, (349), 316 states have internal predecessors, (349), 40 states have call successors, (40), 18 states have call predecessors, (40), 27 states have return successors, (71), 48 states have call predecessors, (71), 40 states have call successors, (71) [2024-11-17 03:59:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 460 transitions. [2024-11-17 03:59:48,830 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 460 transitions. Word has length 125 [2024-11-17 03:59:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:48,831 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 460 transitions. [2024-11-17 03:59:48,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.684210526315789) internal successors, (89), 17 states have internal predecessors, (89), 9 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-17 03:59:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 460 transitions. [2024-11-17 03:59:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-17 03:59:48,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:48,833 INFO L215 NwaCegarLoop]: trace histogram [14, 10, 9, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:48,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:49,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 03:59:49,033 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:49,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1679145291, now seen corresponding path program 3 times [2024-11-17 03:59:49,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:49,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374447715] [2024-11-17 03:59:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 03:59:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-17 03:59:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 106 proven. 98 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-11-17 03:59:49,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:49,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374447715] [2024-11-17 03:59:49,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374447715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:49,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450970179] [2024-11-17 03:59:49,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:59:49,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:49,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:49,238 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:49,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 03:59:49,295 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:59:49,295 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:49,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:59:49,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 70 proven. 1 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-11-17 03:59:49,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 70 proven. 1 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-11-17 03:59:49,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450970179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:49,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:49,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2024-11-17 03:59:49,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565722665] [2024-11-17 03:59:49,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:49,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 03:59:49,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 03:59:49,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-17 03:59:49,443 INFO L87 Difference]: Start difference. First operand 383 states and 460 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 12 states have internal predecessors, (91), 7 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 03:59:49,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:49,748 INFO L93 Difference]: Finished difference Result 601 states and 744 transitions. [2024-11-17 03:59:49,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 03:59:49,748 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 12 states have internal predecessors, (91), 7 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 142 [2024-11-17 03:59:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:49,750 INFO L225 Difference]: With dead ends: 601 [2024-11-17 03:59:49,751 INFO L226 Difference]: Without dead ends: 332 [2024-11-17 03:59:49,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2024-11-17 03:59:49,753 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 144 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:49,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 281 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:59:49,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-17 03:59:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2024-11-17 03:59:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 263 states have (on average 1.1102661596958174) internal successors, (292), 267 states have internal predecessors, (292), 33 states have call successors, (33), 16 states have call predecessors, (33), 22 states have return successors, (50), 38 states have call predecessors, (50), 33 states have call successors, (50) [2024-11-17 03:59:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 375 transitions. [2024-11-17 03:59:49,777 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 375 transitions. Word has length 142 [2024-11-17 03:59:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:49,778 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 375 transitions. [2024-11-17 03:59:49,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 12 states have internal predecessors, (91), 7 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 03:59:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 375 transitions. [2024-11-17 03:59:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-17 03:59:49,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:49,781 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:49,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 03:59:49,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 03:59:49,984 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:49,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:49,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1454184988, now seen corresponding path program 3 times [2024-11-17 03:59:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:49,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523763532] [2024-11-17 03:59:49,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:49,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 03:59:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 03:59:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 03:59:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 03:59:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 03:59:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 03:59:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-17 03:59:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 03:59:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 03:59:50,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523763532] [2024-11-17 03:59:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523763532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:50,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81892463] [2024-11-17 03:59:50,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:59:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:50,400 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:50,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 03:59:50,476 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:59:50,477 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:50,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 03:59:50,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 03:59:50,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 03:59:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81892463] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:51,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:51,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-17 03:59:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720288381] [2024-11-17 03:59:51,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:51,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-17 03:59:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:51,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-17 03:59:51,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 03:59:51,192 INFO L87 Difference]: Start difference. First operand 322 states and 375 transitions. Second operand has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 03:59:51,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:51,437 INFO L93 Difference]: Finished difference Result 681 states and 867 transitions. [2024-11-17 03:59:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-17 03:59:51,438 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 126 [2024-11-17 03:59:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:51,442 INFO L225 Difference]: With dead ends: 681 [2024-11-17 03:59:51,442 INFO L226 Difference]: Without dead ends: 680 [2024-11-17 03:59:51,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 03:59:51,444 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:51,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 292 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:59:51,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-17 03:59:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 406. [2024-11-17 03:59:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 335 states have (on average 1.1223880597014926) internal successors, (376), 339 states have internal predecessors, (376), 45 states have call successors, (45), 16 states have call predecessors, (45), 22 states have return successors, (62), 50 states have call predecessors, (62), 45 states have call successors, (62) [2024-11-17 03:59:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 483 transitions. [2024-11-17 03:59:51,473 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 483 transitions. Word has length 126 [2024-11-17 03:59:51,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:51,473 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 483 transitions. [2024-11-17 03:59:51,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.111111111111111) internal successors, (140), 46 states have internal predecessors, (140), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 03:59:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 483 transitions. [2024-11-17 03:59:51,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-17 03:59:51,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:51,475 INFO L215 NwaCegarLoop]: trace histogram [16, 13, 9, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:51,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 03:59:51,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:51,676 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:51,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -154276817, now seen corresponding path program 4 times [2024-11-17 03:59:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534514606] [2024-11-17 03:59:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 03:59:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 03:59:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 03:59:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 86 proven. 130 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-17 03:59:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:51,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534514606] [2024-11-17 03:59:51,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534514606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:51,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488617249] [2024-11-17 03:59:51,889 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:59:51,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:51,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:51,891 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:51,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 03:59:51,967 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:59:51,967 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:51,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:59:51,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 333 proven. 83 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-17 03:59:52,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 102 proven. 158 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-11-17 03:59:52,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488617249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:52,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:52,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 14 [2024-11-17 03:59:52,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123389240] [2024-11-17 03:59:52,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:52,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 03:59:52,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:52,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 03:59:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-17 03:59:52,284 INFO L87 Difference]: Start difference. First operand 406 states and 483 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 11 states have internal predecessors, (88), 6 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 03:59:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:52,818 INFO L93 Difference]: Finished difference Result 923 states and 1144 transitions. [2024-11-17 03:59:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 03:59:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 11 states have internal predecessors, (88), 6 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 166 [2024-11-17 03:59:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:52,823 INFO L225 Difference]: With dead ends: 923 [2024-11-17 03:59:52,823 INFO L226 Difference]: Without dead ends: 713 [2024-11-17 03:59:52,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 350 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2024-11-17 03:59:52,826 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 144 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:52,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 491 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:59:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-17 03:59:52,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 682. [2024-11-17 03:59:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 556 states have (on average 1.0953237410071943) internal successors, (609), 564 states have internal predecessors, (609), 77 states have call successors, (77), 31 states have call predecessors, (77), 45 states have return successors, (128), 86 states have call predecessors, (128), 77 states have call successors, (128) [2024-11-17 03:59:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 814 transitions. [2024-11-17 03:59:52,892 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 814 transitions. Word has length 166 [2024-11-17 03:59:52,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:52,892 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 814 transitions. [2024-11-17 03:59:52,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 11 states have internal predecessors, (88), 6 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 03:59:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 814 transitions. [2024-11-17 03:59:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-17 03:59:52,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:52,896 INFO L215 NwaCegarLoop]: trace histogram [19, 16, 12, 11, 9, 9, 8, 8, 8, 8, 8, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:52,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:53,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 03:59:53,097 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:53,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash -367089322, now seen corresponding path program 1 times [2024-11-17 03:59:53,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:53,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945686701] [2024-11-17 03:59:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:53,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 03:59:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 03:59:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 03:59:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 03:59:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 398 proven. 91 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-17 03:59:53,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:53,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945686701] [2024-11-17 03:59:53,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945686701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:53,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999760631] [2024-11-17 03:59:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:53,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:53,454 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:53,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 03:59:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:53,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 03:59:53,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 526 proven. 11 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-17 03:59:53,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 398 proven. 91 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-17 03:59:54,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999760631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:54,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:54,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 22 [2024-11-17 03:59:54,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276573909] [2024-11-17 03:59:54,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:54,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 03:59:54,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 03:59:54,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:59:54,101 INFO L87 Difference]: Start difference. First operand 682 states and 814 transitions. Second operand has 22 states, 22 states have (on average 5.5) internal successors, (121), 22 states have internal predecessors, (121), 13 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 8 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-17 03:59:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:54,560 INFO L93 Difference]: Finished difference Result 1109 states and 1367 transitions. [2024-11-17 03:59:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 03:59:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.5) internal successors, (121), 22 states have internal predecessors, (121), 13 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 8 states have call predecessors, (16), 13 states have call successors, (16) Word has length 213 [2024-11-17 03:59:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:54,565 INFO L225 Difference]: With dead ends: 1109 [2024-11-17 03:59:54,565 INFO L226 Difference]: Without dead ends: 709 [2024-11-17 03:59:54,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 440 SyntacticMatches, 10 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-17 03:59:54,568 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 47 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:54,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 431 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:59:54,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-17 03:59:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 648. [2024-11-17 03:59:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 529 states have (on average 1.0888468809073724) internal successors, (576), 536 states have internal predecessors, (576), 73 states have call successors, (73), 31 states have call predecessors, (73), 42 states have return successors, (104), 80 states have call predecessors, (104), 73 states have call successors, (104) [2024-11-17 03:59:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 753 transitions. [2024-11-17 03:59:54,614 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 753 transitions. Word has length 213 [2024-11-17 03:59:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:54,614 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 753 transitions. [2024-11-17 03:59:54,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.5) internal successors, (121), 22 states have internal predecessors, (121), 13 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 8 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-17 03:59:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 753 transitions. [2024-11-17 03:59:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-17 03:59:54,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:54,618 INFO L215 NwaCegarLoop]: trace histogram [21, 18, 14, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:54,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 03:59:54,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 03:59:54,819 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:54,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1369264742, now seen corresponding path program 2 times [2024-11-17 03:59:54,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:54,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813787081] [2024-11-17 03:59:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 03:59:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 03:59:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 03:59:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 03:59:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-17 03:59:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 271 proven. 133 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-11-17 03:59:55,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:55,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813787081] [2024-11-17 03:59:55,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813787081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:55,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868700864] [2024-11-17 03:59:55,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:59:55,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:55,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:55,147 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:55,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 03:59:55,242 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:59:55,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:55,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 03:59:55,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 455 proven. 13 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2024-11-17 03:59:55,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 271 proven. 133 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-11-17 03:59:55,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868700864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:55,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:55,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2024-11-17 03:59:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400844857] [2024-11-17 03:59:55,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:55,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 03:59:55,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:55,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 03:59:55,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-11-17 03:59:55,715 INFO L87 Difference]: Start difference. First operand 648 states and 753 transitions. Second operand has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 19 states have internal predecessors, (99), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-17 03:59:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:56,096 INFO L93 Difference]: Finished difference Result 931 states and 1097 transitions. [2024-11-17 03:59:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 03:59:56,097 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 19 states have internal predecessors, (99), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 235 [2024-11-17 03:59:56,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:56,100 INFO L225 Difference]: With dead ends: 931 [2024-11-17 03:59:56,100 INFO L226 Difference]: Without dead ends: 494 [2024-11-17 03:59:56,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 490 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2024-11-17 03:59:56,102 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 83 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:56,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 380 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:59:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-17 03:59:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 469. [2024-11-17 03:59:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 388 states have (on average 1.097938144329897) internal successors, (426), 390 states have internal predecessors, (426), 51 states have call successors, (51), 21 states have call predecessors, (51), 26 states have return successors, (66), 57 states have call predecessors, (66), 51 states have call successors, (66) [2024-11-17 03:59:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 543 transitions. [2024-11-17 03:59:56,133 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 543 transitions. Word has length 235 [2024-11-17 03:59:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:56,134 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 543 transitions. [2024-11-17 03:59:56,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 19 states have internal predecessors, (99), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-17 03:59:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 543 transitions. [2024-11-17 03:59:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-17 03:59:56,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:56,137 INFO L215 NwaCegarLoop]: trace histogram [21, 18, 14, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:56,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 03:59:56,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 03:59:56,341 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:56,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash -16733119, now seen corresponding path program 3 times [2024-11-17 03:59:56,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:56,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159608916] [2024-11-17 03:59:56,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:56,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 03:59:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 03:59:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 03:59:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 03:59:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-17 03:59:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 211 proven. 209 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2024-11-17 03:59:56,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:56,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159608916] [2024-11-17 03:59:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159608916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417526433] [2024-11-17 03:59:56,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:59:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:56,695 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:56,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 03:59:56,772 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 03:59:56,772 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:56,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 03:59:56,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 312 proven. 19 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2024-11-17 03:59:56,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 312 proven. 19 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2024-11-17 03:59:57,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417526433] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:57,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:57,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 36 [2024-11-17 03:59:57,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127845282] [2024-11-17 03:59:57,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:57,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-17 03:59:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-17 03:59:57,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:59:57,272 INFO L87 Difference]: Start difference. First operand 469 states and 543 transitions. Second operand has 36 states, 34 states have (on average 4.647058823529412) internal successors, (158), 30 states have internal predecessors, (158), 20 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-17 03:59:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:59:58,769 INFO L93 Difference]: Finished difference Result 961 states and 1140 transitions. [2024-11-17 03:59:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-17 03:59:58,770 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 4.647058823529412) internal successors, (158), 30 states have internal predecessors, (158), 20 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) Word has length 237 [2024-11-17 03:59:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:59:58,774 INFO L225 Difference]: With dead ends: 961 [2024-11-17 03:59:58,774 INFO L226 Difference]: Without dead ends: 758 [2024-11-17 03:59:58,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2307 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=942, Invalid=7800, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 03:59:58,778 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 385 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 03:59:58,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 483 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 03:59:58,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-17 03:59:58,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 690. [2024-11-17 03:59:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 572 states have (on average 1.0996503496503496) internal successors, (629), 566 states have internal predecessors, (629), 75 states have call successors, (75), 32 states have call predecessors, (75), 40 states have return successors, (104), 91 states have call predecessors, (104), 75 states have call successors, (104) [2024-11-17 03:59:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 808 transitions. [2024-11-17 03:59:58,829 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 808 transitions. Word has length 237 [2024-11-17 03:59:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:59:58,829 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 808 transitions. [2024-11-17 03:59:58,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 4.647058823529412) internal successors, (158), 30 states have internal predecessors, (158), 20 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-17 03:59:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 808 transitions. [2024-11-17 03:59:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-17 03:59:58,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:59:58,833 INFO L215 NwaCegarLoop]: trace histogram [22, 21, 14, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:59:58,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 03:59:59,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:59,038 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:59:59,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:59:59,038 INFO L85 PathProgramCache]: Analyzing trace with hash 236202206, now seen corresponding path program 5 times [2024-11-17 03:59:59,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:59:59,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577941004] [2024-11-17 03:59:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:59:59,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:59:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 03:59:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 03:59:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 03:59:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 03:59:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 03:59:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 03:59:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 03:59:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 03:59:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 03:59:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 03:59:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 03:59:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-17 03:59:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 03:59:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 03:59:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:59:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 345 proven. 153 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2024-11-17 03:59:59,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:59:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577941004] [2024-11-17 03:59:59,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577941004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:59:59,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740425707] [2024-11-17 03:59:59,551 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 03:59:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:59:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:59:59,554 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:59:59,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 03:59:59,657 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-17 03:59:59,658 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:59:59,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:59:59,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:59:59,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 212 proven. 15 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2024-11-17 03:59:59,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:59:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 212 proven. 15 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2024-11-17 03:59:59,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740425707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:59:59,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:59:59,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 7, 7] total 23 [2024-11-17 03:59:59,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162587974] [2024-11-17 03:59:59,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:59:59,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 03:59:59,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:59:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 03:59:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-11-17 03:59:59,990 INFO L87 Difference]: Start difference. First operand 690 states and 808 transitions. Second operand has 23 states, 23 states have (on average 5.478260869565218) internal successors, (126), 22 states have internal predecessors, (126), 12 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 9 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-17 04:00:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:00,624 INFO L93 Difference]: Finished difference Result 1186 states and 1482 transitions. [2024-11-17 04:00:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 04:00:00,625 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.478260869565218) internal successors, (126), 22 states have internal predecessors, (126), 12 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 9 states have call predecessors, (15), 11 states have call successors, (15) Word has length 254 [2024-11-17 04:00:00,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:00,629 INFO L225 Difference]: With dead ends: 1186 [2024-11-17 04:00:00,629 INFO L226 Difference]: Without dead ends: 796 [2024-11-17 04:00:00,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 543 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=1280, Unknown=0, NotChecked=0, Total=1482 [2024-11-17 04:00:00,632 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 132 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:00,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 380 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:00:00,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-17 04:00:00,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 707. [2024-11-17 04:00:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 585 states have (on average 1.0991452991452992) internal successors, (643), 579 states have internal predecessors, (643), 78 states have call successors, (78), 32 states have call predecessors, (78), 41 states have return successors, (110), 95 states have call predecessors, (110), 78 states have call successors, (110) [2024-11-17 04:00:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 831 transitions. [2024-11-17 04:00:00,679 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 831 transitions. Word has length 254 [2024-11-17 04:00:00,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:00,680 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 831 transitions. [2024-11-17 04:00:00,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.478260869565218) internal successors, (126), 22 states have internal predecessors, (126), 12 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 9 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-17 04:00:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 831 transitions. [2024-11-17 04:00:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-17 04:00:00,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:00,683 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:00,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:00:00,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:00,888 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:00,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:00,888 INFO L85 PathProgramCache]: Analyzing trace with hash 528392036, now seen corresponding path program 4 times [2024-11-17 04:00:00,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:00,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841172411] [2024-11-17 04:00:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:00,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:00:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:00:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:00:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:00:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:00:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-17 04:00:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 04:00:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 04:00:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-17 04:00:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 04:00:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:00:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-17 04:00:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-17 04:00:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:00:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:00:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-17 04:00:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-17 04:00:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-17 04:00:02,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:02,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841172411] [2024-11-17 04:00:02,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841172411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:02,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352755693] [2024-11-17 04:00:02,135 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:00:02,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:02,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:02,137 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:02,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:00:02,254 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:00:02,255 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:02,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-17 04:00:02,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-17 04:00:02,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-17 04:00:04,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352755693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:04,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:04,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-17 04:00:04,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418222222] [2024-11-17 04:00:04,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:04,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-17 04:00:04,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:04,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-17 04:00:04,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 04:00:04,094 INFO L87 Difference]: Start difference. First operand 707 states and 831 transitions. Second operand has 94 states, 93 states have (on average 3.053763440860215) internal successors, (284), 94 states have internal predecessors, (284), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-17 04:00:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:04,569 INFO L93 Difference]: Finished difference Result 1789 states and 2286 transitions. [2024-11-17 04:00:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-17 04:00:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.053763440860215) internal successors, (284), 94 states have internal predecessors, (284), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 258 [2024-11-17 04:00:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:04,577 INFO L225 Difference]: With dead ends: 1789 [2024-11-17 04:00:04,577 INFO L226 Difference]: Without dead ends: 1788 [2024-11-17 04:00:04,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-17 04:00:04,580 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:04,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 341 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2024-11-17 04:00:04,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 875. [2024-11-17 04:00:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 729 states have (on average 1.112482853223594) internal successors, (811), 723 states have internal predecessors, (811), 102 states have call successors, (102), 32 states have call predecessors, (102), 41 states have return successors, (134), 119 states have call predecessors, (134), 102 states have call successors, (134) [2024-11-17 04:00:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1047 transitions. [2024-11-17 04:00:04,650 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1047 transitions. Word has length 258 [2024-11-17 04:00:04,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:04,651 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1047 transitions. [2024-11-17 04:00:04,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.053763440860215) internal successors, (284), 94 states have internal predecessors, (284), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-17 04:00:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1047 transitions. [2024-11-17 04:00:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-17 04:00:04,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:04,655 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 16, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:04,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:00:04,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-17 04:00:04,860 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:04,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:04,860 INFO L85 PathProgramCache]: Analyzing trace with hash 511224014, now seen corresponding path program 6 times [2024-11-17 04:00:04,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:04,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461203210] [2024-11-17 04:00:04,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:04,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-17 04:00:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 302 proven. 10 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2024-11-17 04:00:05,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:05,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461203210] [2024-11-17 04:00:05,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461203210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198159160] [2024-11-17 04:00:05,133 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:00:05,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:05,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:05,135 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:05,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:00:05,197 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-17 04:00:05,197 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:05,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:00:05,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 1613 trivial. 0 not checked. [2024-11-17 04:00:05,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 1613 trivial. 0 not checked. [2024-11-17 04:00:05,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198159160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:05,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:05,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2024-11-17 04:00:05,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165755] [2024-11-17 04:00:05,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:05,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:00:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:05,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:00:05,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:00:05,380 INFO L87 Difference]: Start difference. First operand 875 states and 1047 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:00:05,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:05,490 INFO L93 Difference]: Finished difference Result 965 states and 1180 transitions. [2024-11-17 04:00:05,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:00:05,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) Word has length 276 [2024-11-17 04:00:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:05,495 INFO L225 Difference]: With dead ends: 965 [2024-11-17 04:00:05,496 INFO L226 Difference]: Without dead ends: 964 [2024-11-17 04:00:05,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 600 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:00:05,497 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:05,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 232 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-17 04:00:05,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 903. [2024-11-17 04:00:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 750 states have (on average 1.1026666666666667) internal successors, (827), 747 states have internal predecessors, (827), 106 states have call successors, (106), 32 states have call predecessors, (106), 44 states have return successors, (156), 123 states have call predecessors, (156), 106 states have call successors, (156) [2024-11-17 04:00:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1089 transitions. [2024-11-17 04:00:05,555 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1089 transitions. Word has length 276 [2024-11-17 04:00:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:05,555 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1089 transitions. [2024-11-17 04:00:05,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 04:00:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1089 transitions. [2024-11-17 04:00:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-17 04:00:05,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:05,559 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 16, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:05,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:05,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-17 04:00:05,759 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:05,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1331924775, now seen corresponding path program 1 times [2024-11-17 04:00:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:05,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612348698] [2024-11-17 04:00:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:05,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-17 04:00:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:06,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:06,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 306 proven. 12 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2024-11-17 04:00:06,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:06,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612348698] [2024-11-17 04:00:06,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612348698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:06,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114780561] [2024-11-17 04:00:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:06,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:06,026 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:06,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:00:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:06,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:00:06,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 306 proven. 12 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2024-11-17 04:00:06,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1699 backedges. 320 proven. 12 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2024-11-17 04:00:06,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114780561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:06,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2024-11-17 04:00:06,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751833338] [2024-11-17 04:00:06,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:06,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:00:06,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:06,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:00:06,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:00:06,568 INFO L87 Difference]: Start difference. First operand 903 states and 1089 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:00:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:06,738 INFO L93 Difference]: Finished difference Result 1154 states and 1467 transitions. [2024-11-17 04:00:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:00:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) Word has length 277 [2024-11-17 04:00:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:06,746 INFO L225 Difference]: With dead ends: 1154 [2024-11-17 04:00:06,746 INFO L226 Difference]: Without dead ends: 1147 [2024-11-17 04:00:06,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 592 SyntacticMatches, 9 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:00:06,748 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 12 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:06,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 287 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:00:06,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-11-17 04:00:06,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 994. [2024-11-17 04:00:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 825 states have (on average 1.0933333333333333) internal successors, (902), 819 states have internal predecessors, (902), 113 states have call successors, (113), 32 states have call predecessors, (113), 53 states have return successors, (238), 142 states have call predecessors, (238), 113 states have call successors, (238) [2024-11-17 04:00:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1253 transitions. [2024-11-17 04:00:06,880 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1253 transitions. Word has length 277 [2024-11-17 04:00:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:06,881 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1253 transitions. [2024-11-17 04:00:06,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-17 04:00:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1253 transitions. [2024-11-17 04:00:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-17 04:00:06,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:06,886 INFO L215 NwaCegarLoop]: trace histogram [36, 33, 24, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:06,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:07,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:07,087 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:07,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:07,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1548079093, now seen corresponding path program 2 times [2024-11-17 04:00:07,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:07,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23644357] [2024-11-17 04:00:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:00:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-17 04:00:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-17 04:00:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 440 proven. 433 refuted. 0 times theorem prover too weak. 2834 trivial. 0 not checked. [2024-11-17 04:00:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23644357] [2024-11-17 04:00:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23644357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998813493] [2024-11-17 04:00:07,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:07,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:07,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:07,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:07,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:00:07,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:07,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:07,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:00:07,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 2152 proven. 19 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2024-11-17 04:00:08,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3707 backedges. 440 proven. 433 refuted. 0 times theorem prover too weak. 2834 trivial. 0 not checked. [2024-11-17 04:00:08,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998813493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:08,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:08,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 29 [2024-11-17 04:00:08,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389258440] [2024-11-17 04:00:08,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:08,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:00:08,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:08,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:00:08,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:00:08,432 INFO L87 Difference]: Start difference. First operand 994 states and 1253 transitions. Second operand has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 25 states have internal predecessors, (133), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2024-11-17 04:00:08,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:08,966 INFO L93 Difference]: Finished difference Result 1333 states and 1701 transitions. [2024-11-17 04:00:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-17 04:00:08,967 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 25 states have internal predecessors, (133), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) Word has length 393 [2024-11-17 04:00:08,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:08,973 INFO L225 Difference]: With dead ends: 1333 [2024-11-17 04:00:08,973 INFO L226 Difference]: Without dead ends: 1052 [2024-11-17 04:00:08,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 830 SyntacticMatches, 15 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=218, Invalid=1422, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:00:08,976 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 265 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:08,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 502 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:00:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2024-11-17 04:00:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1034. [2024-11-17 04:00:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 859 states have (on average 1.090803259604191) internal successors, (937), 852 states have internal predecessors, (937), 116 states have call successors, (116), 34 states have call predecessors, (116), 56 states have return successors, (248), 147 states have call predecessors, (248), 116 states have call successors, (248) [2024-11-17 04:00:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1301 transitions. [2024-11-17 04:00:09,053 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1301 transitions. Word has length 393 [2024-11-17 04:00:09,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:09,054 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1301 transitions. [2024-11-17 04:00:09,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.586206896551724) internal successors, (133), 25 states have internal predecessors, (133), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2024-11-17 04:00:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1301 transitions. [2024-11-17 04:00:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-17 04:00:09,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:09,058 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 22, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:00:09,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:09,258 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:09,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:09,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1761360203, now seen corresponding path program 3 times [2024-11-17 04:00:09,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:09,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489171779] [2024-11-17 04:00:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-17 04:00:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1058 proven. 199 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2024-11-17 04:00:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489171779] [2024-11-17 04:00:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489171779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922758365] [2024-11-17 04:00:09,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:09,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:09,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:09,927 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:09,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:00:10,061 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:00:10,061 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:10,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:00:10,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 817 proven. 90 refuted. 0 times theorem prover too weak. 2175 trivial. 0 not checked. [2024-11-17 04:00:10,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 817 proven. 96 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2024-11-17 04:00:11,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922758365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:11,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:11,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 11] total 34 [2024-11-17 04:00:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81178183] [2024-11-17 04:00:11,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:11,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 04:00:11,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:11,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 04:00:11,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1007, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:00:11,244 INFO L87 Difference]: Start difference. First operand 1034 states and 1301 transitions. Second operand has 34 states, 34 states have (on average 5.5) internal successors, (187), 33 states have internal predecessors, (187), 20 states have call successors, (27), 2 states have call predecessors, (27), 11 states have return successors, (31), 18 states have call predecessors, (31), 19 states have call successors, (31) [2024-11-17 04:00:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:13,122 INFO L93 Difference]: Finished difference Result 2393 states and 3607 transitions. [2024-11-17 04:00:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-17 04:00:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.5) internal successors, (187), 33 states have internal predecessors, (187), 20 states have call successors, (27), 2 states have call predecessors, (27), 11 states have return successors, (31), 18 states have call predecessors, (31), 19 states have call successors, (31) Word has length 363 [2024-11-17 04:00:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:13,134 INFO L225 Difference]: With dead ends: 2393 [2024-11-17 04:00:13,134 INFO L226 Difference]: Without dead ends: 1805 [2024-11-17 04:00:13,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 781 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1769 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1227, Invalid=6083, Unknown=0, NotChecked=0, Total=7310 [2024-11-17 04:00:13,146 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 697 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:13,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 667 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:00:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2024-11-17 04:00:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1514. [2024-11-17 04:00:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1244 states have (on average 1.0868167202572347) internal successors, (1352), 1237 states have internal predecessors, (1352), 168 states have call successors, (168), 57 states have call predecessors, (168), 99 states have return successors, (463), 219 states have call predecessors, (463), 168 states have call successors, (463) [2024-11-17 04:00:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1983 transitions. [2024-11-17 04:00:13,326 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1983 transitions. Word has length 363 [2024-11-17 04:00:13,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:13,327 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 1983 transitions. [2024-11-17 04:00:13,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.5) internal successors, (187), 33 states have internal predecessors, (187), 20 states have call successors, (27), 2 states have call predecessors, (27), 11 states have return successors, (31), 18 states have call predecessors, (31), 19 states have call successors, (31) [2024-11-17 04:00:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1983 transitions. [2024-11-17 04:00:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-17 04:00:13,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:13,330 INFO L215 NwaCegarLoop]: trace histogram [28, 26, 19, 12, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:00:13,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:13,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-17 04:00:13,530 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:13,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:13,531 INFO L85 PathProgramCache]: Analyzing trace with hash 876774086, now seen corresponding path program 4 times [2024-11-17 04:00:13,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:13,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430270883] [2024-11-17 04:00:13,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:13,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-17 04:00:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-17 04:00:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-17 04:00:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-17 04:00:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 700 proven. 128 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2024-11-17 04:00:13,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:13,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430270883] [2024-11-17 04:00:13,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430270883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:13,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645039086] [2024-11-17 04:00:13,878 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:00:13,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:13,880 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:13,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:00:13,993 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:00:13,994 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:13,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:00:13,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1285 proven. 69 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2024-11-17 04:00:14,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 693 proven. 211 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2024-11-17 04:00:14,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645039086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:14,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:14,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 23 [2024-11-17 04:00:14,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932787144] [2024-11-17 04:00:14,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:14,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 04:00:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:14,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 04:00:14,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:00:14,467 INFO L87 Difference]: Start difference. First operand 1514 states and 1983 transitions. Second operand has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 11 states have call successors, (19), 2 states have call predecessors, (19), 6 states have return successors, (20), 9 states have call predecessors, (20), 11 states have call successors, (20) [2024-11-17 04:00:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:14,785 INFO L93 Difference]: Finished difference Result 2547 states and 3387 transitions. [2024-11-17 04:00:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:00:14,786 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 11 states have call successors, (19), 2 states have call predecessors, (19), 6 states have return successors, (20), 9 states have call predecessors, (20), 11 states have call successors, (20) Word has length 312 [2024-11-17 04:00:14,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:14,795 INFO L225 Difference]: With dead ends: 2547 [2024-11-17 04:00:14,795 INFO L226 Difference]: Without dead ends: 1505 [2024-11-17 04:00:14,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 659 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=748, Unknown=0, NotChecked=0, Total=930 [2024-11-17 04:00:14,801 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 164 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:14,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 451 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:00:14,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2024-11-17 04:00:14,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1468. [2024-11-17 04:00:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1208 states have (on average 1.086092715231788) internal successors, (1312), 1199 states have internal predecessors, (1312), 164 states have call successors, (164), 55 states have call predecessors, (164), 93 states have return successors, (443), 213 states have call predecessors, (443), 164 states have call successors, (443) [2024-11-17 04:00:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1919 transitions. [2024-11-17 04:00:14,926 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1919 transitions. Word has length 312 [2024-11-17 04:00:14,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:14,927 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1919 transitions. [2024-11-17 04:00:14,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 11 states have call successors, (19), 2 states have call predecessors, (19), 6 states have return successors, (20), 9 states have call predecessors, (20), 11 states have call successors, (20) [2024-11-17 04:00:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1919 transitions. [2024-11-17 04:00:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-17 04:00:14,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:14,930 INFO L215 NwaCegarLoop]: trace histogram [33, 30, 23, 13, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:00:14,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:00:15,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:00:15,135 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:15,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:15,135 INFO L85 PathProgramCache]: Analyzing trace with hash 860392391, now seen corresponding path program 5 times [2024-11-17 04:00:15,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:15,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849977897] [2024-11-17 04:00:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:15,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-17 04:00:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-17 04:00:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-17 04:00:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-17 04:00:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 385 proven. 321 refuted. 0 times theorem prover too weak. 2337 trivial. 0 not checked. [2024-11-17 04:00:15,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849977897] [2024-11-17 04:00:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849977897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584835618] [2024-11-17 04:00:15,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:00:15,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:15,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:15,547 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:15,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:00:15,678 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-17 04:00:15,678 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:15,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:00:15,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 502 proven. 58 refuted. 0 times theorem prover too weak. 2483 trivial. 0 not checked. [2024-11-17 04:00:15,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3043 backedges. 496 proven. 64 refuted. 0 times theorem prover too weak. 2483 trivial. 0 not checked. [2024-11-17 04:00:16,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584835618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:16,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:16,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 33 [2024-11-17 04:00:16,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123777160] [2024-11-17 04:00:16,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:16,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:00:16,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:16,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:00:16,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:00:16,233 INFO L87 Difference]: Start difference. First operand 1468 states and 1919 transitions. Second operand has 33 states, 33 states have (on average 4.696969696969697) internal successors, (155), 29 states have internal predecessors, (155), 16 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (20), 14 states have call predecessors, (20), 16 states have call successors, (20) [2024-11-17 04:00:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:17,310 INFO L93 Difference]: Finished difference Result 2733 states and 3755 transitions. [2024-11-17 04:00:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 04:00:17,311 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.696969696969697) internal successors, (155), 29 states have internal predecessors, (155), 16 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (20), 14 states have call predecessors, (20), 16 states have call successors, (20) Word has length 360 [2024-11-17 04:00:17,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:17,321 INFO L225 Difference]: With dead ends: 2733 [2024-11-17 04:00:17,322 INFO L226 Difference]: Without dead ends: 1667 [2024-11-17 04:00:17,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 767 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=294, Invalid=2358, Unknown=0, NotChecked=0, Total=2652 [2024-11-17 04:00:17,330 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 196 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:17,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 863 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:00:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-11-17 04:00:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1616. [2024-11-17 04:00:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1339 states have (on average 1.087378640776699) internal successors, (1456), 1326 states have internal predecessors, (1456), 176 states have call successors, (176), 55 states have call predecessors, (176), 98 states have return successors, (495), 234 states have call predecessors, (495), 176 states have call successors, (495) [2024-11-17 04:00:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2127 transitions. [2024-11-17 04:00:17,474 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2127 transitions. Word has length 360 [2024-11-17 04:00:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:17,475 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2127 transitions. [2024-11-17 04:00:17,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.696969696969697) internal successors, (155), 29 states have internal predecessors, (155), 16 states have call successors, (27), 6 states have call predecessors, (27), 4 states have return successors, (20), 14 states have call predecessors, (20), 16 states have call successors, (20) [2024-11-17 04:00:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2127 transitions. [2024-11-17 04:00:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-11-17 04:00:17,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:17,479 INFO L215 NwaCegarLoop]: trace histogram [41, 40, 29, 17, 15, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-17 04:00:17,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:00:17,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-17 04:00:17,680 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:17,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash 989520620, now seen corresponding path program 6 times [2024-11-17 04:00:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:17,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813802825] [2024-11-17 04:00:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 04:00:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:00:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 04:00:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-17 04:00:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-17 04:00:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-17 04:00:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-17 04:00:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-17 04:00:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-11-17 04:00:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-17 04:00:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 463 proven. 369 refuted. 0 times theorem prover too weak. 4299 trivial. 0 not checked. [2024-11-17 04:00:18,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:18,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813802825] [2024-11-17 04:00:18,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813802825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:18,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007242154] [2024-11-17 04:00:18,162 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:00:18,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:18,164 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:18,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:00:18,246 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-17 04:00:18,247 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:18,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:00:18,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4987 trivial. 0 not checked. [2024-11-17 04:00:18,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:00:18,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007242154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:00:18,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:00:18,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17] total 20 [2024-11-17 04:00:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784202922] [2024-11-17 04:00:18,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:00:18,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:00:18,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:18,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:00:18,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:00:18,314 INFO L87 Difference]: Start difference. First operand 1616 states and 2127 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:00:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:18,423 INFO L93 Difference]: Finished difference Result 1683 states and 2204 transitions. [2024-11-17 04:00:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:00:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 467 [2024-11-17 04:00:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:18,433 INFO L225 Difference]: With dead ends: 1683 [2024-11-17 04:00:18,433 INFO L226 Difference]: Without dead ends: 1682 [2024-11-17 04:00:18,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:00:18,435 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:18,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 158 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:00:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-11-17 04:00:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1620. [2024-11-17 04:00:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1343 states have (on average 1.0856291883842144) internal successors, (1458), 1329 states have internal predecessors, (1458), 176 states have call successors, (176), 55 states have call predecessors, (176), 98 states have return successors, (495), 235 states have call predecessors, (495), 176 states have call successors, (495) [2024-11-17 04:00:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2129 transitions. [2024-11-17 04:00:18,593 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2129 transitions. Word has length 467 [2024-11-17 04:00:18,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:18,596 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2129 transitions. [2024-11-17 04:00:18,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:00:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2129 transitions. [2024-11-17 04:00:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2024-11-17 04:00:18,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:18,602 INFO L215 NwaCegarLoop]: trace histogram [59, 54, 43, 27, 21, 21, 21, 21, 20, 20, 20, 20, 20, 18, 18, 17, 17, 17, 16, 16, 14, 12, 12, 11, 11, 11, 11, 11, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:00:18,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:00:18,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-17 04:00:18,803 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:18,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:18,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1828185336, now seen corresponding path program 7 times [2024-11-17 04:00:18,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:18,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343849806] [2024-11-17 04:00:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 04:00:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:00:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 04:00:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-17 04:00:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-17 04:00:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-17 04:00:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-17 04:00:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-11-17 04:00:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2024-11-17 04:00:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2024-11-17 04:00:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-17 04:00:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-17 04:00:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10009 backedges. 901 proven. 1018 refuted. 0 times theorem prover too weak. 8090 trivial. 0 not checked. [2024-11-17 04:00:19,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:19,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343849806] [2024-11-17 04:00:19,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343849806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:19,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870108929] [2024-11-17 04:00:19,491 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:00:19,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:19,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:19,493 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:19,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:00:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:19,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:00:19,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10009 backedges. 5149 proven. 416 refuted. 0 times theorem prover too weak. 4444 trivial. 0 not checked. [2024-11-17 04:00:19,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 10009 backedges. 901 proven. 1018 refuted. 0 times theorem prover too weak. 8090 trivial. 0 not checked. [2024-11-17 04:00:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870108929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:20,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:20,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 20 [2024-11-17 04:00:20,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147008505] [2024-11-17 04:00:20,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:20,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:00:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:20,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:00:20,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:00:20,395 INFO L87 Difference]: Start difference. First operand 1620 states and 2129 transitions. Second operand has 20 states, 20 states have (on average 5.4) internal successors, (108), 17 states have internal predecessors, (108), 9 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-17 04:00:21,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:21,056 INFO L93 Difference]: Finished difference Result 3425 states and 4756 transitions. [2024-11-17 04:00:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:00:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 17 states have internal predecessors, (108), 9 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) Word has length 622 [2024-11-17 04:00:21,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:21,097 INFO L225 Difference]: With dead ends: 3425 [2024-11-17 04:00:21,097 INFO L226 Difference]: Without dead ends: 2345 [2024-11-17 04:00:21,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1387 GetRequests, 1339 SyntacticMatches, 12 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2024-11-17 04:00:21,108 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 277 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:21,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 595 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:21,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2024-11-17 04:00:21,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2190. [2024-11-17 04:00:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2190 states, 1805 states have (on average 1.074792243767313) internal successors, (1940), 1784 states have internal predecessors, (1940), 242 states have call successors, (242), 77 states have call predecessors, (242), 140 states have return successors, (666), 328 states have call predecessors, (666), 242 states have call successors, (666) [2024-11-17 04:00:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 2848 transitions. [2024-11-17 04:00:21,393 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 2848 transitions. Word has length 622 [2024-11-17 04:00:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:21,394 INFO L471 AbstractCegarLoop]: Abstraction has 2190 states and 2848 transitions. [2024-11-17 04:00:21,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 17 states have internal predecessors, (108), 9 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (14), 7 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-17 04:00:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2848 transitions. [2024-11-17 04:00:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2024-11-17 04:00:21,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:21,401 INFO L215 NwaCegarLoop]: trace histogram [54, 53, 39, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-17 04:00:21,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:21,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-17 04:00:21,603 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:21,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2063334125, now seen corresponding path program 8 times [2024-11-17 04:00:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:21,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274141550] [2024-11-17 04:00:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 04:00:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:00:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 04:00:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-17 04:00:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-17 04:00:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-17 04:00:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-17 04:00:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-11-17 04:00:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-17 04:00:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2024-11-17 04:00:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-17 04:00:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-17 04:00:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9023 backedges. 805 proven. 572 refuted. 0 times theorem prover too weak. 7646 trivial. 0 not checked. [2024-11-17 04:00:22,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:22,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274141550] [2024-11-17 04:00:22,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274141550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:22,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456457405] [2024-11-17 04:00:22,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:00:22,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:22,261 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:22,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:00:22,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:00:22,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:22,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:00:22,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 9023 backedges. 4361 proven. 374 refuted. 0 times theorem prover too weak. 4288 trivial. 0 not checked. [2024-11-17 04:00:22,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:23,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9023 backedges. 805 proven. 572 refuted. 0 times theorem prover too weak. 7646 trivial. 0 not checked. [2024-11-17 04:00:23,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456457405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:23,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:23,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 26 [2024-11-17 04:00:23,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014605688] [2024-11-17 04:00:23,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:23,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:00:23,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:00:23,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:00:23,188 INFO L87 Difference]: Start difference. First operand 2190 states and 2848 transitions. Second operand has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 14 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-17 04:00:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:23,688 INFO L93 Difference]: Finished difference Result 3772 states and 4989 transitions. [2024-11-17 04:00:23,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:00:23,689 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 14 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) Word has length 607 [2024-11-17 04:00:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:23,700 INFO L225 Difference]: With dead ends: 3772 [2024-11-17 04:00:23,701 INFO L226 Difference]: Without dead ends: 2185 [2024-11-17 04:00:23,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1348 GetRequests, 1297 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=1284, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 04:00:23,711 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 21 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:23,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 348 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:00:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2024-11-17 04:00:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2175. [2024-11-17 04:00:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1793 states have (on average 1.0747350808700502) internal successors, (1927), 1772 states have internal predecessors, (1927), 240 states have call successors, (240), 76 states have call predecessors, (240), 139 states have return successors, (664), 326 states have call predecessors, (664), 240 states have call successors, (664) [2024-11-17 04:00:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2831 transitions. [2024-11-17 04:00:23,918 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2831 transitions. Word has length 607 [2024-11-17 04:00:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:23,918 INFO L471 AbstractCegarLoop]: Abstraction has 2175 states and 2831 transitions. [2024-11-17 04:00:23,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 14 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-17 04:00:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2831 transitions. [2024-11-17 04:00:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-11-17 04:00:23,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:23,924 INFO L215 NwaCegarLoop]: trace histogram [44, 41, 33, 18, 16, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:00:23,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:24,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:24,125 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:24,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash 819869734, now seen corresponding path program 9 times [2024-11-17 04:00:24,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:24,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751057241] [2024-11-17 04:00:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-17 04:00:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:00:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-17 04:00:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:00:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 04:00:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-17 04:00:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-17 04:00:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-17 04:00:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-11-17 04:00:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-11-17 04:00:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-17 04:00:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 686 proven. 343 refuted. 0 times theorem prover too weak. 4768 trivial. 0 not checked. [2024-11-17 04:00:24,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751057241] [2024-11-17 04:00:24,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751057241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805252589] [2024-11-17 04:00:24,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:00:24,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:24,657 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:24,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:00:24,815 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:00:24,815 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:24,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:00:24,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 3209 proven. 120 refuted. 0 times theorem prover too weak. 2468 trivial. 0 not checked. [2024-11-17 04:00:25,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 1222 proven. 588 refuted. 0 times theorem prover too weak. 3987 trivial. 0 not checked. [2024-11-17 04:00:25,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805252589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:25,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:25,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 18] total 39 [2024-11-17 04:00:25,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473734242] [2024-11-17 04:00:25,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:25,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-17 04:00:25,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:25,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-17 04:00:25,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1343, Unknown=0, NotChecked=0, Total=1482 [2024-11-17 04:00:25,902 INFO L87 Difference]: Start difference. First operand 2175 states and 2831 transitions. Second operand has 39 states, 39 states have (on average 5.230769230769231) internal successors, (204), 39 states have internal predecessors, (204), 18 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (28), 14 states have call predecessors, (28), 18 states have call successors, (28) [2024-11-17 04:00:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:27,662 INFO L93 Difference]: Finished difference Result 4117 states and 5602 transitions. [2024-11-17 04:00:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-17 04:00:27,663 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.230769230769231) internal successors, (204), 39 states have internal predecessors, (204), 18 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (28), 14 states have call predecessors, (28), 18 states have call successors, (28) Word has length 493 [2024-11-17 04:00:27,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:27,678 INFO L225 Difference]: With dead ends: 4117 [2024-11-17 04:00:27,678 INFO L226 Difference]: Without dead ends: 2533 [2024-11-17 04:00:27,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 1040 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2736 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1147, Invalid=8555, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 04:00:27,690 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 237 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:27,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 639 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:00:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2024-11-17 04:00:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2287. [2024-11-17 04:00:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 1890 states have (on average 1.0735449735449736) internal successors, (2029), 1870 states have internal predecessors, (2029), 253 states have call successors, (253), 76 states have call predecessors, (253), 141 states have return successors, (762), 340 states have call predecessors, (762), 252 states have call successors, (762) [2024-11-17 04:00:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3044 transitions. [2024-11-17 04:00:27,963 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3044 transitions. Word has length 493 [2024-11-17 04:00:27,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:27,964 INFO L471 AbstractCegarLoop]: Abstraction has 2287 states and 3044 transitions. [2024-11-17 04:00:27,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.230769230769231) internal successors, (204), 39 states have internal predecessors, (204), 18 states have call successors, (27), 2 states have call predecessors, (27), 6 states have return successors, (28), 14 states have call predecessors, (28), 18 states have call successors, (28) [2024-11-17 04:00:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3044 transitions. [2024-11-17 04:00:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-17 04:00:27,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:27,971 INFO L215 NwaCegarLoop]: trace histogram [50, 48, 37, 20, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-17 04:00:27,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:00:28,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-17 04:00:28,172 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:28,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash 787695531, now seen corresponding path program 10 times [2024-11-17 04:00:28,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350313267] [2024-11-17 04:00:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-17 04:00:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:00:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 04:00:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-17 04:00:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-17 04:00:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-17 04:00:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-17 04:00:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-17 04:00:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-17 04:00:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2024-11-17 04:00:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:00:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2024-11-17 04:00:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-17 04:00:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:00:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:00:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-17 04:00:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7605 backedges. 620 proven. 458 refuted. 0 times theorem prover too weak. 6527 trivial. 0 not checked. [2024-11-17 04:00:28,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:28,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350313267] [2024-11-17 04:00:28,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350313267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:28,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585469555] [2024-11-17 04:00:28,711 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:00:28,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:28,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:28,713 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:28,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:00:28,883 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:00:28,883 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:28,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:00:28,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7605 backedges. 2397 proven. 686 refuted. 0 times theorem prover too weak. 4522 trivial. 0 not checked. [2024-11-17 04:00:29,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 7605 backedges. 576 proven. 813 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2024-11-17 04:00:29,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585469555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:29,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:29,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 39 [2024-11-17 04:00:29,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549229891] [2024-11-17 04:00:29,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:29,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-17 04:00:29,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:29,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-17 04:00:29,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1365, Unknown=0, NotChecked=0, Total=1482 [2024-11-17 04:00:29,921 INFO L87 Difference]: Start difference. First operand 2287 states and 3044 transitions. Second operand has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 36 states have internal predecessors, (186), 16 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (22), 14 states have call predecessors, (22), 15 states have call successors, (22) [2024-11-17 04:00:32,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:00:32,606 INFO L93 Difference]: Finished difference Result 5668 states and 7779 transitions. [2024-11-17 04:00:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-17 04:00:32,607 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 36 states have internal predecessors, (186), 16 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (22), 14 states have call predecessors, (22), 15 states have call successors, (22) Word has length 560 [2024-11-17 04:00:32,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:00:32,626 INFO L225 Difference]: With dead ends: 5668 [2024-11-17 04:00:32,626 INFO L226 Difference]: Without dead ends: 3885 [2024-11-17 04:00:32,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1218 SyntacticMatches, 12 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5127 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1342, Invalid=15688, Unknown=0, NotChecked=0, Total=17030 [2024-11-17 04:00:32,641 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 407 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:00:32,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 849 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:00:32,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2024-11-17 04:00:32,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3733. [2024-11-17 04:00:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3057 states have (on average 1.0664049721949624) internal successors, (3260), 3020 states have internal predecessors, (3260), 423 states have call successors, (423), 134 states have call predecessors, (423), 250 states have return successors, (1262), 578 states have call predecessors, (1262), 423 states have call successors, (1262) [2024-11-17 04:00:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 4945 transitions. [2024-11-17 04:00:33,011 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 4945 transitions. Word has length 560 [2024-11-17 04:00:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:00:33,013 INFO L471 AbstractCegarLoop]: Abstraction has 3733 states and 4945 transitions. [2024-11-17 04:00:33,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.769230769230769) internal successors, (186), 36 states have internal predecessors, (186), 16 states have call successors, (26), 5 states have call predecessors, (26), 4 states have return successors, (22), 14 states have call predecessors, (22), 15 states have call successors, (22) [2024-11-17 04:00:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4945 transitions. [2024-11-17 04:00:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2024-11-17 04:00:33,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:00:33,018 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:00:33,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-17 04:00:33,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:33,218 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:00:33,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:00:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash -326905244, now seen corresponding path program 5 times [2024-11-17 04:00:33,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:00:33,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385603773] [2024-11-17 04:00:33,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:00:33,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:00:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:00:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-17 04:00:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:00:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:00:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:00:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 04:00:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 04:00:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:00:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 04:00:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-17 04:00:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-17 04:00:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-17 04:00:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-17 04:00:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 04:00:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 04:00:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-17 04:00:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-17 04:00:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-17 04:00:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:00:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-17 04:00:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:00:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-17 04:00:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-17 04:00:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-17 04:00:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-17 04:00:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-17 04:00:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-17 04:00:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-17 04:00:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-17 04:00:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-17 04:00:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-17 04:00:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-17 04:00:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-17 04:00:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-11-17 04:00:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-11-17 04:00:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-11-17 04:00:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-17 04:00:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-17 04:00:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-11-17 04:00:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-11-17 04:00:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2024-11-17 04:00:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-17 04:00:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-17 04:00:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-11-17 04:00:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-11-17 04:00:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-17 04:00:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2024-11-17 04:00:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:00:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-17 04:00:37,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:00:37,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385603773] [2024-11-17 04:00:37,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385603773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:00:37,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645563680] [2024-11-17 04:00:37,387 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:00:37,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:00:37,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:00:37,389 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:00:37,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:00:37,684 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-17 04:00:37,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:00:37,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-17 04:00:37,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:00:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-17 04:00:37,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:00:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 11845 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-17 04:00:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645563680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:00:44,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:00:44,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-17 04:00:44,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468311250] [2024-11-17 04:00:44,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:00:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-17 04:00:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:00:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-17 04:00:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-17 04:00:44,062 INFO L87 Difference]: Start difference. First operand 3733 states and 4945 transitions. Second operand has 190 states, 189 states have (on average 3.0264550264550265) internal successors, (572), 190 states have internal predecessors, (572), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94)