./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:44:41,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:44:41,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:44:41,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:44:41,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:44:41,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:44:41,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:44:41,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:44:41,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:44:41,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:44:41,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:44:41,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:44:41,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:44:41,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:44:41,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:44:41,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:44:41,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:44:41,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:44:41,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:44:41,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:44:41,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:44:41,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:44:41,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:44:41,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:44:41,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:44:41,714 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:44:41,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:44:41,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:44:41,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:44:41,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:44:41,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:44:41,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:44:41,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:44:41,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:44:41,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:44:41,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:44:41,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:44:41,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:44:41,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:44:41,717 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2024-11-17 04:44:41,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:44:41,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:44:41,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:44:41,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:44:41,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:44:41,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-11-17 04:44:43,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:44:43,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:44:43,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2024-11-17 04:44:43,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04329f6d0/2f55304bf39a44958bf03183c2b03caf/FLAG6ad3163ac [2024-11-17 04:44:43,355 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04329f6d0/2f55304bf39a44958bf03183c2b03caf [2024-11-17 04:44:43,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:44:43,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:44:43,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:44:43,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:44:43,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:44:43,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4eed48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43, skipping insertion in model container [2024-11-17 04:44:43,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:44:43,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:44:43,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:44:43,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:44:43,580 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:44:43,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43 WrapperNode [2024-11-17 04:44:43,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:44:43,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:44:43,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:44:43,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:44:43,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,608 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-17 04:44:43,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:44:43,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:44:43,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:44:43,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:44:43,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,634 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:44:43,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:44:43,641 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:44:43,641 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:44:43,641 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:44:43,642 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (1/1) ... [2024-11-17 04:44:43,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:44:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:43,683 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 04:44:43,688 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 04:44:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:44:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:44:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:44:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:44:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:44:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:44:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:44:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:44:43,817 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:44:43,819 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:44:44,155 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-17 04:44:44,155 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:44:44,173 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:44:44,174 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:44:44,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:44:44 BoogieIcfgContainer [2024-11-17 04:44:44,174 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:44:44,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:44:44,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:44:44,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:44:44,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:44:43" (1/3) ... [2024-11-17 04:44:44,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14587dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:44:44, skipping insertion in model container [2024-11-17 04:44:44,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:44:43" (2/3) ... [2024-11-17 04:44:44,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14587dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:44:44, skipping insertion in model container [2024-11-17 04:44:44,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:44:44" (3/3) ... [2024-11-17 04:44:44,183 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound50.c [2024-11-17 04:44:44,196 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:44:44,197 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-17 04:44:44,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:44:44,266 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;@788203be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:44:44,266 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-17 04:44:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:44:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:44:44,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:44,277 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:44,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:44,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:44,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1611369190, now seen corresponding path program 1 times [2024-11-17 04:44:44,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:44,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620192864] [2024-11-17 04:44:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:44,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:44,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:44,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620192864] [2024-11-17 04:44:44,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620192864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:44,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:44,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:44:44,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615399428] [2024-11-17 04:44:44,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:44,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:44:44,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:44,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:44:44,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:44:44,460 INFO L87 Difference]: Start difference. First operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:44:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:44,487 INFO L93 Difference]: Finished difference Result 244 states and 271 transitions. [2024-11-17 04:44:44,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:44:44,489 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-17 04:44:44,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:44,495 INFO L225 Difference]: With dead ends: 244 [2024-11-17 04:44:44,495 INFO L226 Difference]: Without dead ends: 117 [2024-11-17 04:44:44,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 04:44:44,504 INFO L432 NwaCegarLoop]: 130 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, 130 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 04:44:44,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:44:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-17 04:44:44,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-17 04:44:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.661764705882353) internal successors, (113), 109 states have internal predecessors, (113), 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 04:44:44,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2024-11-17 04:44:44,571 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 21 [2024-11-17 04:44:44,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:44,572 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2024-11-17 04:44:44,572 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:44:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2024-11-17 04:44:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:44:44,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:44,575 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:44:44,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1606678862, now seen corresponding path program 1 times [2024-11-17 04:44:44,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:44,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43014867] [2024-11-17 04:44:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:44,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618909981] [2024-11-17 04:44:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:44,609 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 04:44:44,610 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 04:44:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:44,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:44:44,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:44:44,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:44,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:44,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43014867] [2024-11-17 04:44:44,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:44,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618909981] [2024-11-17 04:44:44,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618909981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:44,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:44,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:44:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590289635] [2024-11-17 04:44:44,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:44,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:44,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:44,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:44:44,906 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 04:44:45,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:45,433 INFO L93 Difference]: Finished difference Result 164 states and 185 transitions. [2024-11-17 04:44:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:44:45,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 22 [2024-11-17 04:44:45,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:45,438 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:44:45,438 INFO L226 Difference]: Without dead ends: 152 [2024-11-17 04:44:45,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:44:45,439 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 319 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:45,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 239 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:44:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-17 04:44:45,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 143. [2024-11-17 04:44:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.574468085106383) internal successors, (148), 133 states have internal predecessors, (148), 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 04:44:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 162 transitions. [2024-11-17 04:44:45,458 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 162 transitions. Word has length 22 [2024-11-17 04:44:45,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:45,459 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 162 transitions. [2024-11-17 04:44:45,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 04:44:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 162 transitions. [2024-11-17 04:44:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 04:44:45,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:45,459 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:45,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:44:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:45,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:45,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:45,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1732562756, now seen corresponding path program 1 times [2024-11-17 04:44:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:45,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236780892] [2024-11-17 04:44:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:45,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:45,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603583915] [2024-11-17 04:44:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:45,682 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 04:44:45,684 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 04:44:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:45,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:44:45,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:45,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:45,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:45,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236780892] [2024-11-17 04:44:45,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:45,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603583915] [2024-11-17 04:44:45,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603583915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:45,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:45,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:44:45,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700519262] [2024-11-17 04:44:45,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:45,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:44:45,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:45,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:44:45,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:44:45,855 INFO L87 Difference]: Start difference. First operand 143 states and 162 transitions. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:44:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:46,146 INFO L93 Difference]: Finished difference Result 198 states and 236 transitions. [2024-11-17 04:44:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:44:46,146 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2024-11-17 04:44:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:46,148 INFO L225 Difference]: With dead ends: 198 [2024-11-17 04:44:46,148 INFO L226 Difference]: Without dead ends: 181 [2024-11-17 04:44:46,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:44:46,149 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 194 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:46,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 240 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:44:46,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-17 04:44:46,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2024-11-17 04:44:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.52) internal successors, (190), 162 states have internal predecessors, (190), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:44:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 206 transitions. [2024-11-17 04:44:46,183 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 206 transitions. Word has length 23 [2024-11-17 04:44:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:46,184 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 206 transitions. [2024-11-17 04:44:46,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:44:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 206 transitions. [2024-11-17 04:44:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:44:46,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:46,184 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:46,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:46,385 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,SelfDestructingSolverStorable2 [2024-11-17 04:44:46,386 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:46,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2125129484, now seen corresponding path program 1 times [2024-11-17 04:44:46,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:46,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546846559] [2024-11-17 04:44:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:46,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852920095] [2024-11-17 04:44:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:46,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:46,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:46,408 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 04:44:46,409 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 04:44:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:46,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:44:46,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:44:46,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:46,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546846559] [2024-11-17 04:44:46,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:46,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852920095] [2024-11-17 04:44:46,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852920095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:46,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:46,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:44:46,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986240883] [2024-11-17 04:44:46,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:46,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:46,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:46,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:46,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:44:46,767 INFO L87 Difference]: Start difference. First operand 173 states and 206 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 04:44:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:47,011 INFO L93 Difference]: Finished difference Result 184 states and 216 transitions. [2024-11-17 04:44:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:44:47,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 24 [2024-11-17 04:44:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:47,012 INFO L225 Difference]: With dead ends: 184 [2024-11-17 04:44:47,012 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 04:44:47,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:44:47,014 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 293 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:47,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 255 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 04:44:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-17 04:44:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.512) internal successors, (189), 162 states have internal predecessors, (189), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:44:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2024-11-17 04:44:47,023 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 24 [2024-11-17 04:44:47,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:47,024 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2024-11-17 04:44:47,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 04:44:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2024-11-17 04:44:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 04:44:47,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:47,025 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:47,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:47,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:47,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:47,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:47,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1454504634, now seen corresponding path program 1 times [2024-11-17 04:44:47,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:47,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616492127] [2024-11-17 04:44:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:47,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:47,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359824806] [2024-11-17 04:44:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:47,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:47,253 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 04:44:47,258 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 04:44:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:47,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:44:47,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:47,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:47,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:47,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616492127] [2024-11-17 04:44:47,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:47,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359824806] [2024-11-17 04:44:47,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359824806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:47,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:47,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:44:47,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142474301] [2024-11-17 04:44:47,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:47,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:44:47,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:47,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:44:47,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:44:47,406 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:44:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:47,657 INFO L93 Difference]: Finished difference Result 184 states and 215 transitions. [2024-11-17 04:44:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:44:47,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2024-11-17 04:44:47,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:47,659 INFO L225 Difference]: With dead ends: 184 [2024-11-17 04:44:47,659 INFO L226 Difference]: Without dead ends: 183 [2024-11-17 04:44:47,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:44:47,660 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:47,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 269 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:47,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-17 04:44:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-17 04:44:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.504) internal successors, (188), 162 states have internal predecessors, (188), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:44:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 204 transitions. [2024-11-17 04:44:47,667 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 204 transitions. Word has length 25 [2024-11-17 04:44:47,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:47,667 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 204 transitions. [2024-11-17 04:44:47,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:44:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 204 transitions. [2024-11-17 04:44:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 04:44:47,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:47,667 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:47,680 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 04:44:47,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:47,868 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:47,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2139970762, now seen corresponding path program 1 times [2024-11-17 04:44:47,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:47,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700279552] [2024-11-17 04:44:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:47,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:47,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:47,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:47,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:47,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700279552] [2024-11-17 04:44:47,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700279552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:47,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:47,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623665780] [2024-11-17 04:44:47,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:47,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:47,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:47,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:47,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:47,987 INFO L87 Difference]: Start difference. First operand 173 states and 204 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:44:48,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:48,723 INFO L93 Difference]: Finished difference Result 253 states and 296 transitions. [2024-11-17 04:44:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:48,724 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-17 04:44:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:48,725 INFO L225 Difference]: With dead ends: 253 [2024-11-17 04:44:48,725 INFO L226 Difference]: Without dead ends: 252 [2024-11-17 04:44:48,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:48,726 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:48,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 200 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:44:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-17 04:44:48,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-17 04:44:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4863013698630136) internal successors, (217), 183 states have internal predecessors, (217), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:44:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 235 transitions. [2024-11-17 04:44:48,739 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 235 transitions. Word has length 26 [2024-11-17 04:44:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:48,739 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 235 transitions. [2024-11-17 04:44:48,740 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:44:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 235 transitions. [2024-11-17 04:44:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:44:48,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:48,740 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:48,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:44:48,741 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:48,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:48,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1914584248, now seen corresponding path program 1 times [2024-11-17 04:44:48,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743686220] [2024-11-17 04:44:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:48,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:48,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:48,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743686220] [2024-11-17 04:44:48,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743686220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:48,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:48,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:48,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185461316] [2024-11-17 04:44:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:48,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:48,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:48,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:48,969 INFO L87 Difference]: Start difference. First operand 195 states and 235 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:44:50,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:50,569 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2024-11-17 04:44:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:50,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-17 04:44:50,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:50,571 INFO L225 Difference]: With dead ends: 253 [2024-11-17 04:44:50,571 INFO L226 Difference]: Without dead ends: 252 [2024-11-17 04:44:50,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:50,572 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:50,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 173 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:44:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-17 04:44:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-17 04:44:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4726027397260273) internal successors, (215), 183 states have internal predecessors, (215), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:44:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2024-11-17 04:44:50,588 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 27 [2024-11-17 04:44:50,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:50,588 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2024-11-17 04:44:50,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 04:44:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2024-11-17 04:44:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:44:50,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:50,592 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:50,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:44:50,592 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:50,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:50,593 INFO L85 PathProgramCache]: Analyzing trace with hash 281023070, now seen corresponding path program 1 times [2024-11-17 04:44:50,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:50,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239758258] [2024-11-17 04:44:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:50,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:50,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383739706] [2024-11-17 04:44:50,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:50,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:50,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:50,633 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 04:44:50,635 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 04:44:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:50,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:44:50,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:50,724 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:50,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:50,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239758258] [2024-11-17 04:44:50,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383739706] [2024-11-17 04:44:50,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383739706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:50,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:50,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:50,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692817331] [2024-11-17 04:44:50,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:50,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:50,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:50,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:50,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:50,726 INFO L87 Difference]: Start difference. First operand 195 states and 233 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:50,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:50,883 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2024-11-17 04:44:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:50,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2024-11-17 04:44:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:50,885 INFO L225 Difference]: With dead ends: 264 [2024-11-17 04:44:50,885 INFO L226 Difference]: Without dead ends: 258 [2024-11-17 04:44:50,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 04:44:50,886 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 183 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:50,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 135 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:44:50,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-17 04:44:50,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 239. [2024-11-17 04:44:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 189 states have (on average 1.470899470899471) internal successors, (278), 226 states have internal predecessors, (278), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:44:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 298 transitions. [2024-11-17 04:44:50,892 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 298 transitions. Word has length 41 [2024-11-17 04:44:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:50,893 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 298 transitions. [2024-11-17 04:44:50,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 298 transitions. [2024-11-17 04:44:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:44:50,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:50,893 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:50,906 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 04:44:51,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:51,094 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:51,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:51,095 INFO L85 PathProgramCache]: Analyzing trace with hash 121780581, now seen corresponding path program 1 times [2024-11-17 04:44:51,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:51,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505854572] [2024-11-17 04:44:51,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:51,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:51,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849029849] [2024-11-17 04:44:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:51,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:51,113 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 04:44:51,114 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 04:44:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:51,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:44:51,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:51,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:51,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:51,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505854572] [2024-11-17 04:44:51,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:51,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849029849] [2024-11-17 04:44:51,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849029849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:51,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:51,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:51,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115831622] [2024-11-17 04:44:51,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:51,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:51,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:51,194 INFO L87 Difference]: Start difference. First operand 239 states and 298 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:51,397 INFO L93 Difference]: Finished difference Result 352 states and 461 transitions. [2024-11-17 04:44:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:51,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-17 04:44:51,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:51,399 INFO L225 Difference]: With dead ends: 352 [2024-11-17 04:44:51,399 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:44:51,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 04:44:51,399 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 236 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:51,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 93 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:44:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 324. [2024-11-17 04:44:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.5) internal successors, (408), 309 states have internal predecessors, (408), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 432 transitions. [2024-11-17 04:44:51,407 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 432 transitions. Word has length 42 [2024-11-17 04:44:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:51,407 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 432 transitions. [2024-11-17 04:44:51,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 432 transitions. [2024-11-17 04:44:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:44:51,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:51,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:51,421 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 04:44:51,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:51,609 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:51,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash 190612718, now seen corresponding path program 1 times [2024-11-17 04:44:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:51,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526958201] [2024-11-17 04:44:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:51,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144449870] [2024-11-17 04:44:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:51,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:51,629 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 04:44:51,631 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 04:44:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:51,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:44:51,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:51,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:51,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:51,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526958201] [2024-11-17 04:44:51,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:51,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144449870] [2024-11-17 04:44:51,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144449870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:51,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:51,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:51,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517838538] [2024-11-17 04:44:51,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:51,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:51,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:51,739 INFO L87 Difference]: Start difference. First operand 324 states and 432 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:51,950 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2024-11-17 04:44:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-17 04:44:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:51,952 INFO L225 Difference]: With dead ends: 337 [2024-11-17 04:44:51,952 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 04:44:51,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 04:44:51,953 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 168 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:51,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 132 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 04:44:51,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2024-11-17 04:44:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.4963235294117647) internal successors, (407), 309 states have internal predecessors, (407), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 431 transitions. [2024-11-17 04:44:51,960 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 431 transitions. Word has length 42 [2024-11-17 04:44:51,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:51,961 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 431 transitions. [2024-11-17 04:44:51,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 431 transitions. [2024-11-17 04:44:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:44:51,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:51,962 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:51,976 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 04:44:52,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:52,163 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:52,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:52,163 INFO L85 PathProgramCache]: Analyzing trace with hash -519769284, now seen corresponding path program 1 times [2024-11-17 04:44:52,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:52,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743503971] [2024-11-17 04:44:52,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:52,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:52,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743503971] [2024-11-17 04:44:52,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743503971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:52,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:52,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:52,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787388212] [2024-11-17 04:44:52,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:52,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:52,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:52,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:52,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:52,228 INFO L87 Difference]: Start difference. First operand 324 states and 431 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:52,709 INFO L93 Difference]: Finished difference Result 408 states and 529 transitions. [2024-11-17 04:44:52,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:52,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-17 04:44:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:52,712 INFO L225 Difference]: With dead ends: 408 [2024-11-17 04:44:52,712 INFO L226 Difference]: Without dead ends: 407 [2024-11-17 04:44:52,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:52,713 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:52,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 214 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:44:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-17 04:44:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 335. [2024-11-17 04:44:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 320 states have internal predecessors, (421), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 445 transitions. [2024-11-17 04:44:52,724 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 445 transitions. Word has length 43 [2024-11-17 04:44:52,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:52,724 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 445 transitions. [2024-11-17 04:44:52,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 445 transitions. [2024-11-17 04:44:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:44:52,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:52,725 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:52,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:44:52,725 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:52,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:52,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1614026979, now seen corresponding path program 1 times [2024-11-17 04:44:52,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:52,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050795457] [2024-11-17 04:44:52,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:52,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180613069] [2024-11-17 04:44:52,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:52,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:52,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:52,746 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 04:44:52,748 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 04:44:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:52,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:44:52,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:52,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:44:52,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050795457] [2024-11-17 04:44:52,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:52,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180613069] [2024-11-17 04:44:52,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180613069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:52,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:52,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:52,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227878910] [2024-11-17 04:44:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:52,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:52,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:52,861 INFO L87 Difference]: Start difference. First operand 335 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:53,098 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2024-11-17 04:44:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:53,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-17 04:44:53,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:53,099 INFO L225 Difference]: With dead ends: 354 [2024-11-17 04:44:53,100 INFO L226 Difference]: Without dead ends: 350 [2024-11-17 04:44:53,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 04:44:53,101 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 226 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:53,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 96 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-17 04:44:53,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 332. [2024-11-17 04:44:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 280 states have (on average 1.4642857142857142) internal successors, (410), 317 states have internal predecessors, (410), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 434 transitions. [2024-11-17 04:44:53,112 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 434 transitions. Word has length 43 [2024-11-17 04:44:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:53,113 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 434 transitions. [2024-11-17 04:44:53,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 434 transitions. [2024-11-17 04:44:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:44:53,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:53,116 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:53,130 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 04:44:53,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 04:44:53,317 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:53,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:53,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1067021379, now seen corresponding path program 1 times [2024-11-17 04:44:53,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:53,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360158320] [2024-11-17 04:44:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:53,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:53,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:53,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360158320] [2024-11-17 04:44:53,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360158320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:53,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:53,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:53,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99977510] [2024-11-17 04:44:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:53,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:53,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:53,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:53,460 INFO L87 Difference]: Start difference. First operand 332 states and 434 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:54,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:54,427 INFO L93 Difference]: Finished difference Result 406 states and 516 transitions. [2024-11-17 04:44:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:54,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-17 04:44:54,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:54,430 INFO L225 Difference]: With dead ends: 406 [2024-11-17 04:44:54,434 INFO L226 Difference]: Without dead ends: 405 [2024-11-17 04:44:54,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:54,435 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:54,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 219 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:44:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-17 04:44:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 334. [2024-11-17 04:44:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 282 states have (on average 1.4609929078014185) internal successors, (412), 319 states have internal predecessors, (412), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 436 transitions. [2024-11-17 04:44:54,456 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 436 transitions. Word has length 44 [2024-11-17 04:44:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:54,456 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 436 transitions. [2024-11-17 04:44:54,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 436 transitions. [2024-11-17 04:44:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:44:54,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:54,457 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:54,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:44:54,457 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:54,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:54,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1504771188, now seen corresponding path program 1 times [2024-11-17 04:44:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:54,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104050979] [2024-11-17 04:44:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:54,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:54,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104050979] [2024-11-17 04:44:54,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104050979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:54,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:54,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:54,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561692508] [2024-11-17 04:44:54,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:54,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:54,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:54,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:54,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:54,551 INFO L87 Difference]: Start difference. First operand 334 states and 436 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:55,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:55,158 INFO L93 Difference]: Finished difference Result 406 states and 514 transitions. [2024-11-17 04:44:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:55,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-17 04:44:55,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:55,164 INFO L225 Difference]: With dead ends: 406 [2024-11-17 04:44:55,164 INFO L226 Difference]: Without dead ends: 405 [2024-11-17 04:44:55,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:55,165 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:55,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 257 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:44:55,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-17 04:44:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 346. [2024-11-17 04:44:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 294 states have (on average 1.4557823129251701) internal successors, (428), 331 states have internal predecessors, (428), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 452 transitions. [2024-11-17 04:44:55,179 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 452 transitions. Word has length 44 [2024-11-17 04:44:55,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:55,183 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 452 transitions. [2024-11-17 04:44:55,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 452 transitions. [2024-11-17 04:44:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:44:55,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:55,184 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:55,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:44:55,184 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:55,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:55,184 INFO L85 PathProgramCache]: Analyzing trace with hash 596733441, now seen corresponding path program 1 times [2024-11-17 04:44:55,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:55,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470356428] [2024-11-17 04:44:55,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:55,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:55,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:55,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470356428] [2024-11-17 04:44:55,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470356428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:55,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:55,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:44:55,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591741539] [2024-11-17 04:44:55,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:55,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:44:55,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:55,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:44:55,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:55,253 INFO L87 Difference]: Start difference. First operand 346 states and 452 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:55,896 INFO L93 Difference]: Finished difference Result 406 states and 512 transitions. [2024-11-17 04:44:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:44:55,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-17 04:44:55,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:55,898 INFO L225 Difference]: With dead ends: 406 [2024-11-17 04:44:55,898 INFO L226 Difference]: Without dead ends: 405 [2024-11-17 04:44:55,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:44:55,899 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 58 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:55,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 231 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:44:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-17 04:44:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 348. [2024-11-17 04:44:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 296 states have (on average 1.4527027027027026) internal successors, (430), 333 states have internal predecessors, (430), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 454 transitions. [2024-11-17 04:44:55,906 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 454 transitions. Word has length 45 [2024-11-17 04:44:55,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:55,907 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 454 transitions. [2024-11-17 04:44:55,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:44:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2024-11-17 04:44:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:44:55,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:55,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:55,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:44:55,908 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:55,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:55,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1331092731, now seen corresponding path program 1 times [2024-11-17 04:44:55,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:55,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492435398] [2024-11-17 04:44:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:56,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:56,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492435398] [2024-11-17 04:44:56,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492435398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:56,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:56,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:44:56,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052965160] [2024-11-17 04:44:56,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:56,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:56,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:56,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:44:56,031 INFO L87 Difference]: Start difference. First operand 348 states and 454 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:56,514 INFO L93 Difference]: Finished difference Result 467 states and 630 transitions. [2024-11-17 04:44:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:44:56,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2024-11-17 04:44:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:56,519 INFO L225 Difference]: With dead ends: 467 [2024-11-17 04:44:56,519 INFO L226 Difference]: Without dead ends: 465 [2024-11-17 04:44:56,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:44:56,521 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 554 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:56,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 101 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:44:56,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-17 04:44:56,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 356. [2024-11-17 04:44:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.444078947368421) internal successors, (439), 341 states have internal predecessors, (439), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 463 transitions. [2024-11-17 04:44:56,535 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 463 transitions. Word has length 45 [2024-11-17 04:44:56,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:56,535 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 463 transitions. [2024-11-17 04:44:56,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 463 transitions. [2024-11-17 04:44:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:44:56,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:56,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:56,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:44:56,536 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:56,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1685798260, now seen corresponding path program 1 times [2024-11-17 04:44:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:56,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236155761] [2024-11-17 04:44:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:56,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:44:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:44:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:44:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:44:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236155761] [2024-11-17 04:44:56,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236155761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:44:56,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:44:56,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:44:56,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794343663] [2024-11-17 04:44:56,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:44:56,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:44:56,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:56,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:44:56,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:44:56,642 INFO L87 Difference]: Start difference. First operand 356 states and 463 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:57,148 INFO L93 Difference]: Finished difference Result 367 states and 475 transitions. [2024-11-17 04:44:57,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:44:57,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-17 04:44:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:57,150 INFO L225 Difference]: With dead ends: 367 [2024-11-17 04:44:57,151 INFO L226 Difference]: Without dead ends: 365 [2024-11-17 04:44:57,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:44:57,151 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 417 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:57,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 126 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:44:57,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-17 04:44:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 356. [2024-11-17 04:44:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.4342105263157894) internal successors, (436), 341 states have internal predecessors, (436), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 460 transitions. [2024-11-17 04:44:57,161 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 460 transitions. Word has length 46 [2024-11-17 04:44:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:57,161 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 460 transitions. [2024-11-17 04:44:57,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:44:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 460 transitions. [2024-11-17 04:44:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:44:57,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:57,163 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:57,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:44:57,163 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:44:57,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash -401023573, now seen corresponding path program 1 times [2024-11-17 04:44:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:57,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467418430] [2024-11-17 04:44:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:57,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160779809] [2024-11-17 04:44:57,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:57,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:57,182 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 04:44:57,183 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 04:44:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:57,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:44:57,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:44:57,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:03,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:03,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467418430] [2024-11-17 04:45:03,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:03,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160779809] [2024-11-17 04:45:03,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160779809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:03,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:03,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:45:03,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371910331] [2024-11-17 04:45:03,245 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:03,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:45:03,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:03,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:45:03,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=152, Unknown=1, NotChecked=0, Total=210 [2024-11-17 04:45:03,247 INFO L87 Difference]: Start difference. First operand 356 states and 460 transitions. Second operand has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 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 04:45:03,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:03,654 INFO L93 Difference]: Finished difference Result 448 states and 582 transitions. [2024-11-17 04:45:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:45:03,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 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 48 [2024-11-17 04:45:03,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:03,656 INFO L225 Difference]: With dead ends: 448 [2024-11-17 04:45:03,656 INFO L226 Difference]: Without dead ends: 426 [2024-11-17 04:45:03,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=109, Invalid=232, Unknown=1, NotChecked=0, Total=342 [2024-11-17 04:45:03,657 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 187 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:03,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 294 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:03,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-17 04:45:03,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 415. [2024-11-17 04:45:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 360 states have (on average 1.4111111111111112) internal successors, (508), 397 states have internal predecessors, (508), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:45:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 538 transitions. [2024-11-17 04:45:03,667 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 538 transitions. Word has length 48 [2024-11-17 04:45:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:03,668 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 538 transitions. [2024-11-17 04:45:03,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 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 04:45:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 538 transitions. [2024-11-17 04:45:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:45:03,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:03,668 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:03,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:45:03,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:45:03,869 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:03,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:03,870 INFO L85 PathProgramCache]: Analyzing trace with hash -57860520, now seen corresponding path program 1 times [2024-11-17 04:45:03,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:03,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096689728] [2024-11-17 04:45:03,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:03,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:03,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692672348] [2024-11-17 04:45:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:03,892 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 04:45:03,894 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 04:45:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:03,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-17 04:45:03,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:04,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:05,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:05,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096689728] [2024-11-17 04:45:05,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:05,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692672348] [2024-11-17 04:45:05,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692672348] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:05,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:05,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-11-17 04:45:05,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609611033] [2024-11-17 04:45:05,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:05,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:45:05,690 INFO L87 Difference]: Start difference. First operand 415 states and 538 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:07,676 INFO L93 Difference]: Finished difference Result 428 states and 555 transitions. [2024-11-17 04:45:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:45:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-17 04:45:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:07,678 INFO L225 Difference]: With dead ends: 428 [2024-11-17 04:45:07,678 INFO L226 Difference]: Without dead ends: 421 [2024-11-17 04:45:07,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:45:07,680 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 88 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-17 04:45:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-17 04:45:07,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 401. [2024-11-17 04:45:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 350 states have (on average 1.4) internal successors, (490), 386 states have internal predecessors, (490), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:45:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 514 transitions. [2024-11-17 04:45:07,691 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 514 transitions. Word has length 49 [2024-11-17 04:45:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:07,692 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 514 transitions. [2024-11-17 04:45:07,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 514 transitions. [2024-11-17 04:45:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:45:07,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:07,693 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:07,705 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 04:45:07,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:07,894 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:07,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:07,894 INFO L85 PathProgramCache]: Analyzing trace with hash 20918306, now seen corresponding path program 1 times [2024-11-17 04:45:07,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:07,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577530578] [2024-11-17 04:45:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:07,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481967466] [2024-11-17 04:45:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:07,913 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 04:45:07,915 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 04:45:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:07,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:45:07,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:08,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:08,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:08,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577530578] [2024-11-17 04:45:08,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:08,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481967466] [2024-11-17 04:45:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481967466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:08,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:45:08,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975387023] [2024-11-17 04:45:08,199 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:08,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:45:08,200 INFO L87 Difference]: Start difference. First operand 401 states and 514 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:08,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:08,656 INFO L93 Difference]: Finished difference Result 477 states and 630 transitions. [2024-11-17 04:45:08,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:45:08,657 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-17 04:45:08,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:08,658 INFO L225 Difference]: With dead ends: 477 [2024-11-17 04:45:08,658 INFO L226 Difference]: Without dead ends: 467 [2024-11-17 04:45:08,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:45:08,659 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 169 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:08,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 183 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:45:08,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-17 04:45:08,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 429. [2024-11-17 04:45:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 379 states have (on average 1.3746701846965699) internal successors, (521), 411 states have internal predecessors, (521), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:45:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 551 transitions. [2024-11-17 04:45:08,676 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 551 transitions. Word has length 49 [2024-11-17 04:45:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:08,676 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 551 transitions. [2024-11-17 04:45:08,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 551 transitions. [2024-11-17 04:45:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:45:08,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:08,677 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:08,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:45:08,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:08,881 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:08,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -563334857, now seen corresponding path program 1 times [2024-11-17 04:45:08,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:08,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456654381] [2024-11-17 04:45:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:08,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [319394065] [2024-11-17 04:45:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:08,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:08,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:08,897 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 04:45:08,898 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 04:45:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:08,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:45:08,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:09,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:45:09,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:09,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456654381] [2024-11-17 04:45:09,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:09,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319394065] [2024-11-17 04:45:09,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319394065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:09,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:09,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:45:09,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667913227] [2024-11-17 04:45:09,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:09,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:45:09,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:09,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:45:09,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:45:09,059 INFO L87 Difference]: Start difference. First operand 429 states and 551 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:09,474 INFO L93 Difference]: Finished difference Result 523 states and 681 transitions. [2024-11-17 04:45:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:45:09,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-17 04:45:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:09,477 INFO L225 Difference]: With dead ends: 523 [2024-11-17 04:45:09,477 INFO L226 Difference]: Without dead ends: 519 [2024-11-17 04:45:09,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:45:09,478 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 275 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:09,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 95 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:45:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-17 04:45:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-17 04:45:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3778801843317972) internal successors, (598), 466 states have internal predecessors, (598), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:45:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 632 transitions. [2024-11-17 04:45:09,492 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 632 transitions. Word has length 49 [2024-11-17 04:45:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:09,492 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 632 transitions. [2024-11-17 04:45:09,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 632 transitions. [2024-11-17 04:45:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:45:09,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:09,493 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:09,508 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 04:45:09,694 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,SelfDestructingSolverStorable20 [2024-11-17 04:45:09,694 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:09,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:09,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1163405353, now seen corresponding path program 1 times [2024-11-17 04:45:09,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:09,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387785477] [2024-11-17 04:45:09,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:09,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138738047] [2024-11-17 04:45:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:09,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:09,713 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 04:45:09,714 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 04:45:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:09,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:45:09,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:10,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387785477] [2024-11-17 04:45:20,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138738047] [2024-11-17 04:45:20,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138738047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:20,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:45:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629794816] [2024-11-17 04:45:20,654 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:20,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:45:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:45:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=197, Unknown=1, NotChecked=0, Total=272 [2024-11-17 04:45:20,655 INFO L87 Difference]: Start difference. First operand 486 states and 632 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 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 04:45:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:21,208 INFO L93 Difference]: Finished difference Result 533 states and 693 transitions. [2024-11-17 04:45:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:45:21,208 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 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 50 [2024-11-17 04:45:21,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:21,210 INFO L225 Difference]: With dead ends: 533 [2024-11-17 04:45:21,210 INFO L226 Difference]: Without dead ends: 530 [2024-11-17 04:45:21,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=184, Invalid=367, Unknown=1, NotChecked=0, Total=552 [2024-11-17 04:45:21,211 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 355 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:21,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 230 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:45:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-17 04:45:21,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 486. [2024-11-17 04:45:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3617511520737327) internal successors, (591), 466 states have internal predecessors, (591), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:45:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 625 transitions. [2024-11-17 04:45:21,223 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 625 transitions. Word has length 50 [2024-11-17 04:45:21,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:21,224 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 625 transitions. [2024-11-17 04:45:21,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 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 04:45:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 625 transitions. [2024-11-17 04:45:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:45:21,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:21,224 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:21,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 04:45:21,428 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,SelfDestructingSolverStorable21 [2024-11-17 04:45:21,429 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:21,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash -283511352, now seen corresponding path program 1 times [2024-11-17 04:45:21,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:21,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447371037] [2024-11-17 04:45:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:21,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525842121] [2024-11-17 04:45:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:21,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:21,443 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 04:45:21,444 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 04:45:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:21,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:45:21,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:21,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:45:21,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447371037] [2024-11-17 04:45:21,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525842121] [2024-11-17 04:45:21,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525842121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:21,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:21,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:45:21,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115315608] [2024-11-17 04:45:21,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:21,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:45:21,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:21,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:45:21,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:45:21,589 INFO L87 Difference]: Start difference. First operand 486 states and 625 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:21,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:21,971 INFO L93 Difference]: Finished difference Result 520 states and 666 transitions. [2024-11-17 04:45:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:45:21,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-17 04:45:21,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:21,973 INFO L225 Difference]: With dead ends: 520 [2024-11-17 04:45:21,973 INFO L226 Difference]: Without dead ends: 519 [2024-11-17 04:45:21,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:45:21,974 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 468 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:21,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 85 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:21,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-17 04:45:21,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-17 04:45:21,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3571428571428572) internal successors, (589), 466 states have internal predecessors, (589), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:45:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 623 transitions. [2024-11-17 04:45:21,987 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 623 transitions. Word has length 50 [2024-11-17 04:45:21,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:21,987 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 623 transitions. [2024-11-17 04:45:21,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:21,987 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 623 transitions. [2024-11-17 04:45:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:45:21,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:21,988 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:22,000 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 04:45:22,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:22,192 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:22,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:22,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1705827645, now seen corresponding path program 1 times [2024-11-17 04:45:22,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:22,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890143438] [2024-11-17 04:45:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:22,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361736605] [2024-11-17 04:45:22,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:22,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:22,208 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 04:45:22,214 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 04:45:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:22,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-17 04:45:22,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:22,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:24,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890143438] [2024-11-17 04:45:24,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:24,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361736605] [2024-11-17 04:45:24,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361736605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:24,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:24,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:45:24,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641953660] [2024-11-17 04:45:24,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:24,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:45:24,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:24,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:45:24,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:45:24,328 INFO L87 Difference]: Start difference. First operand 486 states and 623 transitions. Second operand has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 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 04:45:25,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:25,136 INFO L93 Difference]: Finished difference Result 551 states and 699 transitions. [2024-11-17 04:45:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:45:25,137 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 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 51 [2024-11-17 04:45:25,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:25,138 INFO L225 Difference]: With dead ends: 551 [2024-11-17 04:45:25,138 INFO L226 Difference]: Without dead ends: 546 [2024-11-17 04:45:25,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:45:25,139 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 351 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:25,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 270 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:45:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-17 04:45:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 515. [2024-11-17 04:45:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 462 states have (on average 1.344155844155844) internal successors, (621), 494 states have internal predecessors, (621), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 657 transitions. [2024-11-17 04:45:25,153 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 657 transitions. Word has length 51 [2024-11-17 04:45:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:25,153 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 657 transitions. [2024-11-17 04:45:25,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 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 04:45:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 657 transitions. [2024-11-17 04:45:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:45:25,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:25,154 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:25,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:45:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:25,358 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:25,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1372342048, now seen corresponding path program 1 times [2024-11-17 04:45:25,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:25,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851150158] [2024-11-17 04:45:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:25,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:25,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479402006] [2024-11-17 04:45:25,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:25,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:25,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:25,376 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 04:45:25,378 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 04:45:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:25,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:45:25,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:25,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:25,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:25,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851150158] [2024-11-17 04:45:25,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:25,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479402006] [2024-11-17 04:45:25,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479402006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:25,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:25,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:45:25,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489392688] [2024-11-17 04:45:25,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:25,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:25,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:45:25,830 INFO L87 Difference]: Start difference. First operand 515 states and 657 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:26,307 INFO L93 Difference]: Finished difference Result 559 states and 715 transitions. [2024-11-17 04:45:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:45:26,307 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-17 04:45:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:26,308 INFO L225 Difference]: With dead ends: 559 [2024-11-17 04:45:26,308 INFO L226 Difference]: Without dead ends: 556 [2024-11-17 04:45:26,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:45:26,309 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 159 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:26,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 132 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:45:26,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-17 04:45:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 513. [2024-11-17 04:45:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 462 states have (on average 1.3203463203463204) internal successors, (610), 492 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 646 transitions. [2024-11-17 04:45:26,327 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 646 transitions. Word has length 51 [2024-11-17 04:45:26,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:26,327 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 646 transitions. [2024-11-17 04:45:26,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 646 transitions. [2024-11-17 04:45:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:45:26,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:26,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:26,344 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 04:45:26,531 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,SelfDestructingSolverStorable24 [2024-11-17 04:45:26,532 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:26,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash -198917291, now seen corresponding path program 1 times [2024-11-17 04:45:26,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009186553] [2024-11-17 04:45:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:26,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:45:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:26,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:45:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:26,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:45:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:45:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:26,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:26,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009186553] [2024-11-17 04:45:26,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009186553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:26,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:26,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:45:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153204156] [2024-11-17 04:45:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:26,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:45:26,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:45:26,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:26,582 INFO L87 Difference]: Start difference. First operand 513 states and 646 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:27,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:27,337 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2024-11-17 04:45:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:45:27,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-11-17 04:45:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:27,339 INFO L225 Difference]: With dead ends: 544 [2024-11-17 04:45:27,339 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:45:27,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:27,340 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 41 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:27,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 192 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:45:27,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:45:27,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 526. [2024-11-17 04:45:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3242105263157895) internal successors, (629), 505 states have internal predecessors, (629), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 665 transitions. [2024-11-17 04:45:27,358 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 665 transitions. Word has length 51 [2024-11-17 04:45:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:27,358 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 665 transitions. [2024-11-17 04:45:27,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 665 transitions. [2024-11-17 04:45:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:45:27,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:27,359 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-17 04:45:27,359 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:27,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1440794194, now seen corresponding path program 1 times [2024-11-17 04:45:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:27,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729742005] [2024-11-17 04:45:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:27,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071110355] [2024-11-17 04:45:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:27,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:27,372 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 04:45:27,380 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 04:45:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:27,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:45:27,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:27,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:45:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729742005] [2024-11-17 04:45:27,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071110355] [2024-11-17 04:45:27,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071110355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:27,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:27,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:45:27,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713863109] [2024-11-17 04:45:27,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:27,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:45:27,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:27,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:45:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:45:27,556 INFO L87 Difference]: Start difference. First operand 526 states and 665 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:27,911 INFO L93 Difference]: Finished difference Result 534 states and 671 transitions. [2024-11-17 04:45:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:45:27,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-17 04:45:27,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:27,913 INFO L225 Difference]: With dead ends: 534 [2024-11-17 04:45:27,913 INFO L226 Difference]: Without dead ends: 532 [2024-11-17 04:45:27,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:45:27,914 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 202 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:27,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 293 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:27,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-17 04:45:27,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 526. [2024-11-17 04:45:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.32) internal successors, (627), 505 states have internal predecessors, (627), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 663 transitions. [2024-11-17 04:45:27,937 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 663 transitions. Word has length 52 [2024-11-17 04:45:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:27,937 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 663 transitions. [2024-11-17 04:45:27,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 663 transitions. [2024-11-17 04:45:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:45:27,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:27,938 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:27,958 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 04:45:28,140 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,SelfDestructingSolverStorable26 [2024-11-17 04:45:28,140 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:28,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:28,141 INFO L85 PathProgramCache]: Analyzing trace with hash 407069542, now seen corresponding path program 1 times [2024-11-17 04:45:28,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:28,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087505930] [2024-11-17 04:45:28,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:28,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:28,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847837342] [2024-11-17 04:45:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:28,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:28,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:28,163 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 04:45:28,168 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 04:45:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:28,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:45:28,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:28,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:32,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:32,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087505930] [2024-11-17 04:45:32,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847837342] [2024-11-17 04:45:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847837342] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:32,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-17 04:45:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569489147] [2024-11-17 04:45:32,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:32,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:32,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:45:32,003 INFO L87 Difference]: Start difference. First operand 526 states and 663 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:38,308 INFO L93 Difference]: Finished difference Result 527 states and 663 transitions. [2024-11-17 04:45:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:45:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-17 04:45:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:38,310 INFO L225 Difference]: With dead ends: 527 [2024-11-17 04:45:38,310 INFO L226 Difference]: Without dead ends: 526 [2024-11-17 04:45:38,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:45:38,311 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 53 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:38,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 180 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-17 04:45:38,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-17 04:45:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-17 04:45:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3094736842105263) internal successors, (622), 505 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 658 transitions. [2024-11-17 04:45:38,324 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 658 transitions. Word has length 52 [2024-11-17 04:45:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:38,324 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 658 transitions. [2024-11-17 04:45:38,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 658 transitions. [2024-11-17 04:45:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-17 04:45:38,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:38,325 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:38,337 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 04:45:38,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:45:38,526 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:38,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:38,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1871468698, now seen corresponding path program 1 times [2024-11-17 04:45:38,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:38,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371317684] [2024-11-17 04:45:38,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:38,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:38,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:45:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:45:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:38,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:45:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:45:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:45:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371317684] [2024-11-17 04:45:38,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371317684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:45:38,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:45:38,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:45:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803960905] [2024-11-17 04:45:38,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:45:38,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:45:38,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:45:38,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:38,589 INFO L87 Difference]: Start difference. First operand 526 states and 658 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:39,231 INFO L93 Difference]: Finished difference Result 544 states and 665 transitions. [2024-11-17 04:45:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:45:39,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-17 04:45:39,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:39,233 INFO L225 Difference]: With dead ends: 544 [2024-11-17 04:45:39,233 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:45:39,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:45:39,234 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 38 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:39,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 217 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:45:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:45:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 527. [2024-11-17 04:45:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 476 states have (on average 1.3067226890756303) internal successors, (622), 506 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 658 transitions. [2024-11-17 04:45:39,248 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 658 transitions. Word has length 52 [2024-11-17 04:45:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:39,248 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 658 transitions. [2024-11-17 04:45:39,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:45:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 658 transitions. [2024-11-17 04:45:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:45:39,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:39,248 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:39,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-17 04:45:39,249 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:39,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1714946988, now seen corresponding path program 1 times [2024-11-17 04:45:39,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:39,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546532261] [2024-11-17 04:45:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:39,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944967227] [2024-11-17 04:45:39,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:39,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:39,260 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 04:45:39,262 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 04:45:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:39,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 04:45:39,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:39,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:40,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546532261] [2024-11-17 04:45:40,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944967227] [2024-11-17 04:45:40,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944967227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:40,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:40,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:45:40,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801522499] [2024-11-17 04:45:40,359 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:40,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:45:40,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:45:40,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:45:40,359 INFO L87 Difference]: Start difference. First operand 527 states and 658 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:40,921 INFO L93 Difference]: Finished difference Result 845 states and 1057 transitions. [2024-11-17 04:45:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:45:40,922 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2024-11-17 04:45:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:40,923 INFO L225 Difference]: With dead ends: 845 [2024-11-17 04:45:40,923 INFO L226 Difference]: Without dead ends: 523 [2024-11-17 04:45:40,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:45:40,924 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 166 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:40,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 271 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:45:40,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-17 04:45:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 520. [2024-11-17 04:45:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.304904051172708) internal successors, (612), 499 states have internal predecessors, (612), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 648 transitions. [2024-11-17 04:45:40,938 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 648 transitions. Word has length 53 [2024-11-17 04:45:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:40,938 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 648 transitions. [2024-11-17 04:45:40,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 648 transitions. [2024-11-17 04:45:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:45:40,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:40,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:40,953 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 04:45:41,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:41,140 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:41,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:41,140 INFO L85 PathProgramCache]: Analyzing trace with hash -265746018, now seen corresponding path program 1 times [2024-11-17 04:45:41,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:41,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930863393] [2024-11-17 04:45:41,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:41,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:41,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371592132] [2024-11-17 04:45:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:41,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:41,160 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 04:45:41,170 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 04:45:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:41,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:45:41,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:41,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:46,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:46,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930863393] [2024-11-17 04:45:46,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:46,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371592132] [2024-11-17 04:45:46,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371592132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:46,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:46,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:45:46,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127217191] [2024-11-17 04:45:46,095 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:46,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:45:46,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:46,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:45:46,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2024-11-17 04:45:46,096 INFO L87 Difference]: Start difference. First operand 520 states and 648 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:46,451 INFO L93 Difference]: Finished difference Result 530 states and 656 transitions. [2024-11-17 04:45:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:45:46,451 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-17 04:45:46,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:46,452 INFO L225 Difference]: With dead ends: 530 [2024-11-17 04:45:46,452 INFO L226 Difference]: Without dead ends: 528 [2024-11-17 04:45:46,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2024-11-17 04:45:46,453 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 200 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:46,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 269 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-17 04:45:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 520. [2024-11-17 04:45:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.300639658848614) internal successors, (610), 499 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 646 transitions. [2024-11-17 04:45:46,466 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 646 transitions. Word has length 53 [2024-11-17 04:45:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:46,467 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 646 transitions. [2024-11-17 04:45:46,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:45:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 646 transitions. [2024-11-17 04:45:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:45:46,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:46,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:46,481 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 04:45:46,671 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,SelfDestructingSolverStorable30 [2024-11-17 04:45:46,672 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:46,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:46,672 INFO L85 PathProgramCache]: Analyzing trace with hash 351808100, now seen corresponding path program 1 times [2024-11-17 04:45:46,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:46,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714479705] [2024-11-17 04:45:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:46,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:46,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737904061] [2024-11-17 04:45:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:46,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:46,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:46,690 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 04:45:46,691 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 04:45:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:46,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:45:46,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:47,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:47,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714479705] [2024-11-17 04:45:47,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737904061] [2024-11-17 04:45:47,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737904061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:47,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:47,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:45:47,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535703465] [2024-11-17 04:45:47,897 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:47,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:47,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:47,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:45:47,898 INFO L87 Difference]: Start difference. First operand 520 states and 646 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:48,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:48,469 INFO L93 Difference]: Finished difference Result 549 states and 679 transitions. [2024-11-17 04:45:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:45:48,469 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2024-11-17 04:45:48,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:48,470 INFO L225 Difference]: With dead ends: 549 [2024-11-17 04:45:48,471 INFO L226 Difference]: Without dead ends: 548 [2024-11-17 04:45:48,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:45:48,471 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 167 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:48,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 278 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:45:48,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-17 04:45:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 529. [2024-11-17 04:45:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 478 states have (on average 1.294979079497908) internal successors, (619), 508 states have internal predecessors, (619), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:45:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 655 transitions. [2024-11-17 04:45:48,485 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 655 transitions. Word has length 54 [2024-11-17 04:45:48,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:48,486 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 655 transitions. [2024-11-17 04:45:48,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 655 transitions. [2024-11-17 04:45:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:45:48,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:48,486 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:48,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-17 04:45:48,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:48,691 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:48,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:48,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1441958969, now seen corresponding path program 1 times [2024-11-17 04:45:48,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:48,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178972343] [2024-11-17 04:45:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:48,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1082913226] [2024-11-17 04:45:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:48,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:48,711 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 04:45:48,712 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 04:45:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:48,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:45:48,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:48,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:49,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178972343] [2024-11-17 04:45:49,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082913226] [2024-11-17 04:45:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082913226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:49,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:49,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:45:49,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573407197] [2024-11-17 04:45:49,004 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:49,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:49,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:49,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:49,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:45:49,005 INFO L87 Difference]: Start difference. First operand 529 states and 655 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 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 04:45:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:49,321 INFO L93 Difference]: Finished difference Result 573 states and 723 transitions. [2024-11-17 04:45:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:45:49,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 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 56 [2024-11-17 04:45:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:49,323 INFO L225 Difference]: With dead ends: 573 [2024-11-17 04:45:49,323 INFO L226 Difference]: Without dead ends: 559 [2024-11-17 04:45:49,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:45:49,324 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 259 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:49,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 93 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:45:49,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-17 04:45:49,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 479. [2024-11-17 04:45:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 439 states have (on average 1.246013667425968) internal successors, (547), 463 states have internal predecessors, (547), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:45:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 573 transitions. [2024-11-17 04:45:49,337 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 573 transitions. Word has length 56 [2024-11-17 04:45:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:49,337 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 573 transitions. [2024-11-17 04:45:49,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 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 04:45:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 573 transitions. [2024-11-17 04:45:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:45:49,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:49,338 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:49,350 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 04:45:49,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:49,542 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:49,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:49,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1751055153, now seen corresponding path program 1 times [2024-11-17 04:45:49,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:49,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648245396] [2024-11-17 04:45:49,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:49,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097355627] [2024-11-17 04:45:49,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:49,561 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 04:45:49,563 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 04:45:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:49,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:45:49,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:50,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:51,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:51,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648245396] [2024-11-17 04:45:51,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:51,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097355627] [2024-11-17 04:45:51,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097355627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:51,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:51,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:45:51,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905370023] [2024-11-17 04:45:51,030 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:51,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:45:51,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:51,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:45:51,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:45:51,031 INFO L87 Difference]: Start difference. First operand 479 states and 573 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:53,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:45:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:55,158 INFO L93 Difference]: Finished difference Result 567 states and 695 transitions. [2024-11-17 04:45:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:45:55,158 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 57 [2024-11-17 04:45:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:55,159 INFO L225 Difference]: With dead ends: 567 [2024-11-17 04:45:55,159 INFO L226 Difference]: Without dead ends: 563 [2024-11-17 04:45:55,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:45:55,160 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 346 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:55,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 101 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-17 04:45:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-17 04:45:55,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 461. [2024-11-17 04:45:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 425 states have (on average 1.228235294117647) internal successors, (522), 445 states have internal predecessors, (522), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:45:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 548 transitions. [2024-11-17 04:45:55,197 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 548 transitions. Word has length 57 [2024-11-17 04:45:55,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:55,198 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 548 transitions. [2024-11-17 04:45:55,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:45:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 548 transitions. [2024-11-17 04:45:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:45:55,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:55,198 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:55,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:45:55,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:55,399 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:55,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:55,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1551865033, now seen corresponding path program 1 times [2024-11-17 04:45:55,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:55,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908238403] [2024-11-17 04:45:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:55,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880088737] [2024-11-17 04:45:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:55,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:55,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:55,417 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 04:45:55,418 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 04:45:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:55,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:45:55,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:55,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:56,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:56,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908238403] [2024-11-17 04:45:56,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:56,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880088737] [2024-11-17 04:45:56,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880088737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:56,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:56,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:45:56,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151042096] [2024-11-17 04:45:56,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:56,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:45:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:45:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-11-17 04:45:56,857 INFO L87 Difference]: Start difference. First operand 461 states and 548 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 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 04:45:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:45:57,097 INFO L93 Difference]: Finished difference Result 509 states and 615 transitions. [2024-11-17 04:45:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:45:57,097 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 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 58 [2024-11-17 04:45:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:45:57,099 INFO L225 Difference]: With dead ends: 509 [2024-11-17 04:45:57,099 INFO L226 Difference]: Without dead ends: 506 [2024-11-17 04:45:57,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=171, Unknown=1, NotChecked=0, Total=240 [2024-11-17 04:45:57,100 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 203 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:45:57,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 83 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:45:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-17 04:45:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 387. [2024-11-17 04:45:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 356 states have (on average 1.1882022471910112) internal successors, (423), 373 states have internal predecessors, (423), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:45:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 445 transitions. [2024-11-17 04:45:57,112 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 445 transitions. Word has length 58 [2024-11-17 04:45:57,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:45:57,113 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 445 transitions. [2024-11-17 04:45:57,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 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 04:45:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 445 transitions. [2024-11-17 04:45:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:45:57,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:45:57,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:45:57,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:45:57,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:57,314 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:45:57,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:45:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash -863175697, now seen corresponding path program 1 times [2024-11-17 04:45:57,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:45:57,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698332182] [2024-11-17 04:45:57,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:57,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:45:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:45:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327429819] [2024-11-17 04:45:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:45:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:45:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:45:57,325 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 04:45:57,328 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 04:45:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:45:57,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:45:57,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:45:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:45:58,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:45:59,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:45:59,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698332182] [2024-11-17 04:45:59,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:45:59,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327429819] [2024-11-17 04:45:59,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327429819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:45:59,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:45:59,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:45:59,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626013277] [2024-11-17 04:45:59,760 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:45:59,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:45:59,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:45:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:45:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:45:59,761 INFO L87 Difference]: Start difference. First operand 387 states and 445 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:46:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:46:01,760 INFO L93 Difference]: Finished difference Result 457 states and 530 transitions. [2024-11-17 04:46:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:46:01,760 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2024-11-17 04:46:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:46:01,763 INFO L225 Difference]: With dead ends: 457 [2024-11-17 04:46:01,763 INFO L226 Difference]: Without dead ends: 456 [2024-11-17 04:46:01,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:46:01,763 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 430 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:46:01,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 179 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:46:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-17 04:46:01,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 381. [2024-11-17 04:46:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 350 states have (on average 1.1885714285714286) internal successors, (416), 367 states have internal predecessors, (416), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:46:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 438 transitions. [2024-11-17 04:46:01,775 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 438 transitions. Word has length 59 [2024-11-17 04:46:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:46:01,776 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 438 transitions. [2024-11-17 04:46:01,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:46:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 438 transitions. [2024-11-17 04:46:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-17 04:46:01,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:46:01,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:46:01,791 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 04:46:01,980 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,SelfDestructingSolverStorable35 [2024-11-17 04:46:01,980 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:46:01,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:46:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash -988642763, now seen corresponding path program 1 times [2024-11-17 04:46:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:46:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495459630] [2024-11-17 04:46:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:46:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:46:01,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800240744] [2024-11-17 04:46:01,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:46:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:46:01,991 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 04:46:01,993 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 04:46:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:46:02,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:46:02,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:46:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:46:02,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:46:03,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:46:03,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495459630] [2024-11-17 04:46:03,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:46:03,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800240744] [2024-11-17 04:46:03,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800240744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:46:03,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:46:03,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:46:03,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977253913] [2024-11-17 04:46:03,736 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:46:03,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:46:03,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:46:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:46:03,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:46:03,737 INFO L87 Difference]: Start difference. First operand 381 states and 438 transitions. Second operand has 11 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:46:04,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:46:04,467 INFO L93 Difference]: Finished difference Result 547 states and 636 transitions. [2024-11-17 04:46:04,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:46:04,467 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 60 [2024-11-17 04:46:04,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:46:04,468 INFO L225 Difference]: With dead ends: 547 [2024-11-17 04:46:04,469 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:46:04,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:46:04,469 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 403 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:46:04,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 177 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:46:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:46:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 488. [2024-11-17 04:46:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 453 states have (on average 1.1942604856512142) internal successors, (541), 470 states have internal predecessors, (541), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:46:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 571 transitions. [2024-11-17 04:46:04,489 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 571 transitions. Word has length 60 [2024-11-17 04:46:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:46:04,489 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 571 transitions. [2024-11-17 04:46:04,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:46:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2024-11-17 04:46:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:46:04,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:46:04,490 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:46:04,507 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 04:46:04,693 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,SelfDestructingSolverStorable36 [2024-11-17 04:46:04,694 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:46:04,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:46:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash -583154515, now seen corresponding path program 1 times [2024-11-17 04:46:04,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:46:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258271731] [2024-11-17 04:46:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:46:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:46:04,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985353851] [2024-11-17 04:46:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:04,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:46:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:46:04,708 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 04:46:04,710 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 04:46:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:46:04,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:46:04,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:46:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:46:05,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:46:09,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:46:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258271731] [2024-11-17 04:46:09,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:46:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985353851] [2024-11-17 04:46:09,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985353851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:46:09,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:46:09,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:46:09,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436575901] [2024-11-17 04:46:09,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:46:09,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:46:09,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:46:09,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:46:09,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:46:09,483 INFO L87 Difference]: Start difference. First operand 488 states and 571 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 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 04:46:11,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:46:11,998 INFO L93 Difference]: Finished difference Result 517 states and 604 transitions. [2024-11-17 04:46:11,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:46:11,998 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 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 61 [2024-11-17 04:46:11,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:46:12,000 INFO L225 Difference]: With dead ends: 517 [2024-11-17 04:46:12,000 INFO L226 Difference]: Without dead ends: 516 [2024-11-17 04:46:12,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:46:12,000 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 217 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:46:12,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 189 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 04:46:12,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-17 04:46:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 497. [2024-11-17 04:46:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 462 states have (on average 1.1904761904761905) internal successors, (550), 479 states have internal predecessors, (550), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:46:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 580 transitions. [2024-11-17 04:46:12,020 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 580 transitions. Word has length 61 [2024-11-17 04:46:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:46:12,021 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 580 transitions. [2024-11-17 04:46:12,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 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 04:46:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 580 transitions. [2024-11-17 04:46:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:46:12,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:46:12,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:46:12,033 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 04:46:12,222 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,SelfDestructingSolverStorable37 [2024-11-17 04:46:12,222 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:46:12,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:46:12,223 INFO L85 PathProgramCache]: Analyzing trace with hash -338801342, now seen corresponding path program 1 times [2024-11-17 04:46:12,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:46:12,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593699824] [2024-11-17 04:46:12,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:12,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:46:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:46:12,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278423407] [2024-11-17 04:46:12,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:12,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:46:12,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:46:12,235 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 04:46:12,245 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 04:46:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:46:12,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-17 04:46:12,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:46:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:46:13,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:46:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:46:15,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:46:15,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593699824] [2024-11-17 04:46:15,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:46:15,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278423407] [2024-11-17 04:46:15,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278423407] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:46:15,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:46:15,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-11-17 04:46:15,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165679825] [2024-11-17 04:46:15,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:46:15,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:46:15,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:46:15,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:46:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:46:15,448 INFO L87 Difference]: Start difference. First operand 497 states and 580 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 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 04:46:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:46:17,303 INFO L93 Difference]: Finished difference Result 570 states and 667 transitions. [2024-11-17 04:46:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:46:17,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 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 68 [2024-11-17 04:46:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:46:17,305 INFO L225 Difference]: With dead ends: 570 [2024-11-17 04:46:17,305 INFO L226 Difference]: Without dead ends: 569 [2024-11-17 04:46:17,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:46:17,306 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 61 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:46:17,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 249 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 04:46:17,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-17 04:46:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 496. [2024-11-17 04:46:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 462 states have (on average 1.1861471861471862) internal successors, (548), 478 states have internal predecessors, (548), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:46:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 578 transitions. [2024-11-17 04:46:17,326 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 578 transitions. Word has length 68 [2024-11-17 04:46:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:46:17,326 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 578 transitions. [2024-11-17 04:46:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 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 04:46:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 578 transitions. [2024-11-17 04:46:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:46:17,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:46:17,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:46:17,339 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 04:46:17,531 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,SelfDestructingSolverStorable38 [2024-11-17 04:46:17,532 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:46:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:46:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 220889254, now seen corresponding path program 1 times [2024-11-17 04:46:17,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:46:17,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950550509] [2024-11-17 04:46:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:46:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:46:17,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390487624] [2024-11-17 04:46:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:46:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:46:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:46:17,549 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 04:46:17,550 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 04:46:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:46:17,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 04:46:17,595 INFO L278 TraceCheckSpWp]: Computing forward predicates...