./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.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 9e9911e775b3214ba13077b05d83e9364947724e9afa3bb89f51b07ee325bd90 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:39:09,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:39:09,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:39:09,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:39:09,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:39:09,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:39:09,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:39:09,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:39:09,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:39:09,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:39:09,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:39:09,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:39:09,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:39:09,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:39:09,966 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:39:09,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:39:09,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:39:09,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:39:09,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:39:09,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:39:09,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:39:09,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:39:09,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:39:09,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:39:09,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:39:09,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:39:09,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:39:09,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:39:09,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:39:09,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:39:09,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:39:09,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:39:09,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:39:09,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:39:09,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:39:09,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:39:09,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:39:09,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:39:09,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:39:09,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:39:09,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:39:09,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:39:09,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:39:09,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:39:09,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e9911e775b3214ba13077b05d83e9364947724e9afa3bb89f51b07ee325bd90 [2024-10-14 20:39:10,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:39:10,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:39:10,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:39:10,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:39:10,253 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:39:10,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c [2024-10-14 20:39:11,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:39:11,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:39:11,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c [2024-10-14 20:39:11,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c21205a9/8e9596a1e24249c78de413da258fefec/FLAGafe198873 [2024-10-14 20:39:12,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c21205a9/8e9596a1e24249c78de413da258fefec [2024-10-14 20:39:12,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:39:12,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:39:12,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:39:12,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:39:12,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:39:12,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9dfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12, skipping insertion in model container [2024-10-14 20:39:12,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:39:12,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:39:12,453 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:39:12,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:39:12,514 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:39:12,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12 WrapperNode [2024-10-14 20:39:12,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:39:12,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:39:12,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:39:12,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:39:12,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,588 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2024-10-14 20:39:12,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:39:12,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:39:12,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:39:12,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:39:12,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,631 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]. [2024-10-14 20:39:12,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:39:12,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:39:12,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:39:12,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:39:12,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (1/1) ... [2024-10-14 20:39:12,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:39:12,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:12,739 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) [2024-10-14 20:39:12,742 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 [2024-10-14 20:39:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:39:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:39:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:39:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:39:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:39:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:39:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:39:12,836 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:39:12,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:39:13,545 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-10-14 20:39:13,546 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:39:13,583 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:39:13,586 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 20:39:13,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:39:13 BoogieIcfgContainer [2024-10-14 20:39:13,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:39:13,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:39:13,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:39:13,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:39:13,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:39:12" (1/3) ... [2024-10-14 20:39:13,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef1cd45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:39:13, skipping insertion in model container [2024-10-14 20:39:13,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:39:12" (2/3) ... [2024-10-14 20:39:13,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef1cd45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:39:13, skipping insertion in model container [2024-10-14 20:39:13,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:39:13" (3/3) ... [2024-10-14 20:39:13,597 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound20.c [2024-10-14 20:39:13,615 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:39:13,615 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-10-14 20:39:13,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:39:13,689 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;@355a412c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:39:13,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-10-14 20:39:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 153 states have internal predecessors, (160), 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) [2024-10-14 20:39:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:39:13,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:13,701 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:13,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:13,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:13,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1933443539, now seen corresponding path program 1 times [2024-10-14 20:39:13,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:13,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671782228] [2024-10-14 20:39:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:13,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:13,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:13,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:39:13,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:13,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671782228] [2024-10-14 20:39:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671782228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:13,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:13,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:13,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981458557] [2024-10-14 20:39:13,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:13,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:39:13,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:13,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:39:13,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:39:13,914 INFO L87 Difference]: Start difference. First operand has 165 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 153 states have internal predecessors, (160), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:39:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:13,963 INFO L93 Difference]: Finished difference Result 327 states and 367 transitions. [2024-10-14 20:39:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:39:13,966 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-14 20:39:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:13,975 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:39:13,975 INFO L226 Difference]: Without dead ends: 161 [2024-10-14 20:39:13,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:39:13,984 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:13,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:39:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-14 20:39:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-10-14 20:39:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 150 states have internal predecessors, (153), 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) [2024-10-14 20:39:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2024-10-14 20:39:14,036 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 13 [2024-10-14 20:39:14,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:14,037 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2024-10-14 20:39:14,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:39:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2024-10-14 20:39:14,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:39:14,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:14,039 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:14,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:39:14,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:14,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:14,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1970343789, now seen corresponding path program 1 times [2024-10-14 20:39:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:14,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376676243] [2024-10-14 20:39:14,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:14,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734459848] [2024-10-14 20:39:14,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:14,089 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) [2024-10-14 20:39:14,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:39:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:14,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:39:14,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:14,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:14,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376676243] [2024-10-14 20:39:14,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734459848] [2024-10-14 20:39:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734459848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:14,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:14,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:39:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302560237] [2024-10-14 20:39:14,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:14,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:14,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:14,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:14,298 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:39:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:14,703 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2024-10-14 20:39:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:14,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-10-14 20:39:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:14,705 INFO L225 Difference]: With dead ends: 161 [2024-10-14 20:39:14,705 INFO L226 Difference]: Without dead ends: 159 [2024-10-14 20:39:14,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:14,707 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 324 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:14,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 249 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:14,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-14 20:39:14,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-10-14 20:39:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.819277108433735) internal successors, (151), 148 states have internal predecessors, (151), 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) [2024-10-14 20:39:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-10-14 20:39:14,723 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 13 [2024-10-14 20:39:14,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:14,724 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-10-14 20:39:14,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 20:39:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-10-14 20:39:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 20:39:14,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:14,726 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:14,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:14,926 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 [2024-10-14 20:39:14,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:14,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:14,928 INFO L85 PathProgramCache]: Analyzing trace with hash 951115354, now seen corresponding path program 1 times [2024-10-14 20:39:14,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:14,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065558120] [2024-10-14 20:39:14,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:14,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803517217] [2024-10-14 20:39:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:14,951 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) [2024-10-14 20:39:14,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:39:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:15,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:39:15,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 20:39:15,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:15,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:15,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065558120] [2024-10-14 20:39:15,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:15,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803517217] [2024-10-14 20:39:15,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803517217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:15,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:15,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 20:39:15,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805187801] [2024-10-14 20:39:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:15,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:15,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:15,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:39:15,136 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 20:39:15,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:15,639 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2024-10-14 20:39:15,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:15,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-14 20:39:15,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:15,641 INFO L225 Difference]: With dead ends: 159 [2024-10-14 20:39:15,642 INFO L226 Difference]: Without dead ends: 158 [2024-10-14 20:39:15,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:39:15,643 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 206 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:15,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 249 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:15,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-14 20:39:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-14 20:39:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.8072289156626506) internal successors, (150), 147 states have internal predecessors, (150), 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) [2024-10-14 20:39:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2024-10-14 20:39:15,661 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 14 [2024-10-14 20:39:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:15,662 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2024-10-14 20:39:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 20:39:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-10-14 20:39:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 20:39:15,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:15,663 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:15,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:15,867 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 [2024-10-14 20:39:15,868 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:15,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1564000962, now seen corresponding path program 1 times [2024-10-14 20:39:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654653923] [2024-10-14 20:39:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:15,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:16,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654653923] [2024-10-14 20:39:16,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654653923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:16,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:16,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:16,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431268769] [2024-10-14 20:39:16,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:16,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:16,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:16,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:16,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:16,042 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:16,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:16,083 INFO L93 Difference]: Finished difference Result 193 states and 203 transitions. [2024-10-14 20:39:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:16,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-10-14 20:39:16,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:16,085 INFO L225 Difference]: With dead ends: 193 [2024-10-14 20:39:16,085 INFO L226 Difference]: Without dead ends: 162 [2024-10-14 20:39:16,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:16,086 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 11 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:16,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 469 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:39:16,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-14 20:39:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-14 20:39:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 87 states have (on average 1.7701149425287357) internal successors, (154), 150 states have internal predecessors, (154), 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) [2024-10-14 20:39:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-10-14 20:39:16,109 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 28 [2024-10-14 20:39:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:16,109 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-10-14 20:39:16,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-10-14 20:39:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 20:39:16,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:16,111 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:16,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:39:16,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1177615479, now seen corresponding path program 1 times [2024-10-14 20:39:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:16,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053579722] [2024-10-14 20:39:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:16,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:16,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053579722] [2024-10-14 20:39:16,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053579722] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:16,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581522850] [2024-10-14 20:39:16,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:16,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:16,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:16,273 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) [2024-10-14 20:39:16,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:39:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:16,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:16,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:16,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581522850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:16,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:16,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-14 20:39:16,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986420172] [2024-10-14 20:39:16,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:16,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:16,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:16,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:16,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:16,349 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-14 20:39:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:16,981 INFO L93 Difference]: Finished difference Result 272 states and 305 transitions. [2024-10-14 20:39:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:16,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 32 [2024-10-14 20:39:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:16,985 INFO L225 Difference]: With dead ends: 272 [2024-10-14 20:39:16,986 INFO L226 Difference]: Without dead ends: 262 [2024-10-14 20:39:16,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:16,987 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:16,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 281 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:39:16,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-14 20:39:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2024-10-14 20:39:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 138 states have (on average 1.7681159420289856) internal successors, (244), 201 states have internal predecessors, (244), 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) [2024-10-14 20:39:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 270 transitions. [2024-10-14 20:39:17,005 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 270 transitions. Word has length 32 [2024-10-14 20:39:17,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:17,005 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 270 transitions. [2024-10-14 20:39:17,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-14 20:39:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 270 transitions. [2024-10-14 20:39:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-14 20:39:17,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:17,006 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:17,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:39:17,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:17,207 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:17,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2146343301, now seen corresponding path program 1 times [2024-10-14 20:39:17,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470071915] [2024-10-14 20:39:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:17,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:17,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470071915] [2024-10-14 20:39:17,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470071915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:17,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:17,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:39:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594681688] [2024-10-14 20:39:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:17,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:17,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:17,391 INFO L87 Difference]: Start difference. First operand 217 states and 270 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:17,513 INFO L93 Difference]: Finished difference Result 295 states and 311 transitions. [2024-10-14 20:39:17,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:17,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2024-10-14 20:39:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:17,516 INFO L225 Difference]: With dead ends: 295 [2024-10-14 20:39:17,516 INFO L226 Difference]: Without dead ends: 294 [2024-10-14 20:39:17,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:17,517 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 146 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:17,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 893 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:39:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-14 20:39:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 226. [2024-10-14 20:39:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7517241379310344) internal successors, (254), 209 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 20:39:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 282 transitions. [2024-10-14 20:39:17,532 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 282 transitions. Word has length 33 [2024-10-14 20:39:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:17,532 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 282 transitions. [2024-10-14 20:39:17,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2024-10-14 20:39:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 20:39:17,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:17,535 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:17,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:39:17,536 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:17,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:17,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2112070261, now seen corresponding path program 1 times [2024-10-14 20:39:17,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:17,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592379067] [2024-10-14 20:39:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:17,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:17,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592379067] [2024-10-14 20:39:17,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592379067] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:17,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111531281] [2024-10-14 20:39:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:17,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:17,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:17,685 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) [2024-10-14 20:39:17,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:39:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:17,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:17,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:17,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:17,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111531281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:17,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:17,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:17,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611498228] [2024-10-14 20:39:17,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:17,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:17,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:17,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:17,857 INFO L87 Difference]: Start difference. First operand 226 states and 282 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:39:18,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:18,270 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2024-10-14 20:39:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:18,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 34 [2024-10-14 20:39:18,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:18,275 INFO L225 Difference]: With dead ends: 256 [2024-10-14 20:39:18,275 INFO L226 Difference]: Without dead ends: 253 [2024-10-14 20:39:18,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:18,277 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 203 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:18,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 186 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-14 20:39:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 226. [2024-10-14 20:39:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7310344827586206) internal successors, (251), 209 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 20:39:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 279 transitions. [2024-10-14 20:39:18,288 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 279 transitions. Word has length 34 [2024-10-14 20:39:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:18,288 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 279 transitions. [2024-10-14 20:39:18,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:39:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 279 transitions. [2024-10-14 20:39:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 20:39:18,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:18,289 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:18,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:39:18,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:18,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:18,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:18,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2112132818, now seen corresponding path program 1 times [2024-10-14 20:39:18,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:18,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129931247] [2024-10-14 20:39:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:18,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:18,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:18,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129931247] [2024-10-14 20:39:18,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129931247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:18,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:39:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106180234] [2024-10-14 20:39:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:18,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:18,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:18,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:18,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:18,590 INFO L87 Difference]: Start difference. First operand 226 states and 279 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:18,652 INFO L93 Difference]: Finished difference Result 396 states and 453 transitions. [2024-10-14 20:39:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:18,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-10-14 20:39:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:18,654 INFO L225 Difference]: With dead ends: 396 [2024-10-14 20:39:18,654 INFO L226 Difference]: Without dead ends: 249 [2024-10-14 20:39:18,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:18,656 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 39 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:18,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 759 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:39:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-14 20:39:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 234. [2024-10-14 20:39:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6973684210526316) internal successors, (258), 216 states have internal predecessors, (258), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 20:39:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 286 transitions. [2024-10-14 20:39:18,672 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 286 transitions. Word has length 34 [2024-10-14 20:39:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:18,673 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 286 transitions. [2024-10-14 20:39:18,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 286 transitions. [2024-10-14 20:39:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 20:39:18,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:18,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:18,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:39:18,678 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:18,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:18,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1049668453, now seen corresponding path program 1 times [2024-10-14 20:39:18,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:18,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433751578] [2024-10-14 20:39:18,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:18,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:18,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:18,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433751578] [2024-10-14 20:39:18,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433751578] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:18,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14133225] [2024-10-14 20:39:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:18,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:18,823 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) [2024-10-14 20:39:18,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:39:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:18,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:18,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:18,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14133225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:18,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:18,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:18,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836619188] [2024-10-14 20:39:18,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:18,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:18,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:18,965 INFO L87 Difference]: Start difference. First operand 234 states and 286 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:39:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:19,625 INFO L93 Difference]: Finished difference Result 248 states and 297 transitions. [2024-10-14 20:39:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:19,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 35 [2024-10-14 20:39:19,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:19,627 INFO L225 Difference]: With dead ends: 248 [2024-10-14 20:39:19,628 INFO L226 Difference]: Without dead ends: 247 [2024-10-14 20:39:19,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:19,629 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:19,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 225 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:39:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-14 20:39:19,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 234. [2024-10-14 20:39:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6907894736842106) internal successors, (257), 216 states have internal predecessors, (257), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 20:39:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2024-10-14 20:39:19,644 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 35 [2024-10-14 20:39:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:19,645 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2024-10-14 20:39:19,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:39:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2024-10-14 20:39:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:39:19,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:19,648 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:19,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:39:19,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:19,850 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:19,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:19,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1820016525, now seen corresponding path program 1 times [2024-10-14 20:39:19,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:19,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413348467] [2024-10-14 20:39:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:19,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413348467] [2024-10-14 20:39:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413348467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838969415] [2024-10-14 20:39:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:19,975 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) [2024-10-14 20:39:19,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:39:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:20,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:20,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:20,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:20,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838969415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:20,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:20,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:20,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436216637] [2024-10-14 20:39:20,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:20,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:20,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:20,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:20,087 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:39:21,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:21,059 INFO L93 Difference]: Finished difference Result 292 states and 327 transitions. [2024-10-14 20:39:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 36 [2024-10-14 20:39:21,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:21,061 INFO L225 Difference]: With dead ends: 292 [2024-10-14 20:39:21,062 INFO L226 Difference]: Without dead ends: 290 [2024-10-14 20:39:21,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:21,062 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:21,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 256 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:39:21,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-14 20:39:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 234. [2024-10-14 20:39:21,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 152 states have (on average 1.6776315789473684) internal successors, (255), 216 states have internal predecessors, (255), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-14 20:39:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2024-10-14 20:39:21,082 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 36 [2024-10-14 20:39:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:21,083 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2024-10-14 20:39:21,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:39:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2024-10-14 20:39:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:39:21,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:21,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:21,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:39:21,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,286 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:21,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1759895408, now seen corresponding path program 1 times [2024-10-14 20:39:21,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:21,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736745706] [2024-10-14 20:39:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:21,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975031412] [2024-10-14 20:39:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:21,302 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) [2024-10-14 20:39:21,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:39:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:21,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:21,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:21,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:21,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736745706] [2024-10-14 20:39:21,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:21,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975031412] [2024-10-14 20:39:21,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975031412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:21,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:21,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610543545] [2024-10-14 20:39:21,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:21,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:21,366 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:21,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:21,514 INFO L93 Difference]: Finished difference Result 384 states and 481 transitions. [2024-10-14 20:39:21,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:21,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-10-14 20:39:21,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:21,519 INFO L225 Difference]: With dead ends: 384 [2024-10-14 20:39:21,519 INFO L226 Difference]: Without dead ends: 376 [2024-10-14 20:39:21,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:21,520 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 86 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:21,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 287 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:39:21,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-10-14 20:39:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 335. [2024-10-14 20:39:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.7061224489795919) internal successors, (418), 309 states have internal predecessors, (418), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 462 transitions. [2024-10-14 20:39:21,556 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 462 transitions. Word has length 36 [2024-10-14 20:39:21,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:21,556 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 462 transitions. [2024-10-14 20:39:21,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:39:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 462 transitions. [2024-10-14 20:39:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-14 20:39:21,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:21,557 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:21,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:21,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,758 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:21,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:21,758 INFO L85 PathProgramCache]: Analyzing trace with hash 585937629, now seen corresponding path program 1 times [2024-10-14 20:39:21,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:21,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934422492] [2024-10-14 20:39:21,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:21,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:21,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934422492] [2024-10-14 20:39:21,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934422492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:21,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794009004] [2024-10-14 20:39:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:21,840 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) [2024-10-14 20:39:21,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:39:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:21,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:21,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:21,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794009004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:21,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:21,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:21,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956708991] [2024-10-14 20:39:21,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:21,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:21,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:21,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:21,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:21,991 INFO L87 Difference]: Start difference. First operand 335 states and 462 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 20:39:23,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:23,555 INFO L93 Difference]: Finished difference Result 382 states and 484 transitions. [2024-10-14 20:39:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 37 [2024-10-14 20:39:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:23,559 INFO L225 Difference]: With dead ends: 382 [2024-10-14 20:39:23,559 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 20:39:23,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:23,560 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:23,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 302 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 20:39:23,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 20:39:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 335. [2024-10-14 20:39:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6816326530612244) internal successors, (412), 309 states have internal predecessors, (412), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 456 transitions. [2024-10-14 20:39:23,576 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 456 transitions. Word has length 37 [2024-10-14 20:39:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:23,577 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 456 transitions. [2024-10-14 20:39:23,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 20:39:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 456 transitions. [2024-10-14 20:39:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 20:39:23,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:23,579 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:23,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:39:23,783 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 [2024-10-14 20:39:23,784 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:23,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:23,784 INFO L85 PathProgramCache]: Analyzing trace with hash -957624910, now seen corresponding path program 1 times [2024-10-14 20:39:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:23,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921815908] [2024-10-14 20:39:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:23,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:23,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921815908] [2024-10-14 20:39:23,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921815908] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:23,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567931273] [2024-10-14 20:39:23,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:23,967 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) [2024-10-14 20:39:23,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:39:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:24,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:39:24,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:24,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:24,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567931273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:24,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:24,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-14 20:39:24,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488839856] [2024-10-14 20:39:24,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:24,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:24,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:24,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:24,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:24,119 INFO L87 Difference]: Start difference. First operand 335 states and 456 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-10-14 20:39:25,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:25,026 INFO L93 Difference]: Finished difference Result 399 states and 468 transitions. [2024-10-14 20:39:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:25,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 38 [2024-10-14 20:39:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:25,030 INFO L225 Difference]: With dead ends: 399 [2024-10-14 20:39:25,030 INFO L226 Difference]: Without dead ends: 398 [2024-10-14 20:39:25,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:39:25,031 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 479 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:25,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 299 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:39:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-14 20:39:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 335. [2024-10-14 20:39:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6775510204081632) internal successors, (411), 309 states have internal predecessors, (411), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 455 transitions. [2024-10-14 20:39:25,056 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 455 transitions. Word has length 38 [2024-10-14 20:39:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:25,056 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 455 transitions. [2024-10-14 20:39:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-10-14 20:39:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 455 transitions. [2024-10-14 20:39:25,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 20:39:25,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:25,057 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:25,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:25,263 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,SelfDestructingSolverStorable12 [2024-10-14 20:39:25,264 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:25,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:25,264 INFO L85 PathProgramCache]: Analyzing trace with hash 378398948, now seen corresponding path program 1 times [2024-10-14 20:39:25,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:25,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309418510] [2024-10-14 20:39:25,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:25,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289619235] [2024-10-14 20:39:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:25,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:25,277 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) [2024-10-14 20:39:25,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:39:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:39:25,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:25,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:25,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:25,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309418510] [2024-10-14 20:39:25,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:25,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289619235] [2024-10-14 20:39:25,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289619235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:25,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:25,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:39:25,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388163551] [2024-10-14 20:39:25,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:25,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:25,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:25,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:25,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:25,389 INFO L87 Difference]: Start difference. First operand 335 states and 455 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-14 20:39:26,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:26,104 INFO L93 Difference]: Finished difference Result 399 states and 467 transitions. [2024-10-14 20:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:26,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 39 [2024-10-14 20:39:26,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:26,108 INFO L225 Difference]: With dead ends: 399 [2024-10-14 20:39:26,108 INFO L226 Difference]: Without dead ends: 398 [2024-10-14 20:39:26,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:26,109 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 476 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:26,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 300 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:39:26,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-14 20:39:26,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 335. [2024-10-14 20:39:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 245 states have (on average 1.6734693877551021) internal successors, (410), 309 states have internal predecessors, (410), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 454 transitions. [2024-10-14 20:39:26,125 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 454 transitions. Word has length 39 [2024-10-14 20:39:26,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:26,125 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 454 transitions. [2024-10-14 20:39:26,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-10-14 20:39:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 454 transitions. [2024-10-14 20:39:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-14 20:39:26,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:26,126 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:26,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:26,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 20:39:26,331 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:26,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:26,331 INFO L85 PathProgramCache]: Analyzing trace with hash -981947282, now seen corresponding path program 1 times [2024-10-14 20:39:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:26,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622381840] [2024-10-14 20:39:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 20:39:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:26,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622381840] [2024-10-14 20:39:26,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622381840] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450267052] [2024-10-14 20:39:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:26,436 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) [2024-10-14 20:39:26,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:39:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:26,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:26,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:26,580 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:26,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450267052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:26,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:26,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:26,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342390414] [2024-10-14 20:39:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:26,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:26,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:26,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:26,582 INFO L87 Difference]: Start difference. First operand 335 states and 454 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:27,007 INFO L93 Difference]: Finished difference Result 364 states and 466 transitions. [2024-10-14 20:39:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:27,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-10-14 20:39:27,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:27,009 INFO L225 Difference]: With dead ends: 364 [2024-10-14 20:39:27,009 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:39:27,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:27,010 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 259 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:27,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 213 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:27,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:39:27,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 336. [2024-10-14 20:39:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 246 states have (on average 1.6626016260162602) internal successors, (409), 309 states have internal predecessors, (409), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 453 transitions. [2024-10-14 20:39:27,024 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 453 transitions. Word has length 43 [2024-10-14 20:39:27,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:27,024 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 453 transitions. [2024-10-14 20:39:27,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 453 transitions. [2024-10-14 20:39:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:39:27,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:27,025 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:27,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:39:27,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:39:27,226 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:27,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:27,227 INFO L85 PathProgramCache]: Analyzing trace with hash -375594463, now seen corresponding path program 1 times [2024-10-14 20:39:27,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:27,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382630280] [2024-10-14 20:39:27,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 20:39:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:27,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:27,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382630280] [2024-10-14 20:39:27,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382630280] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:27,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918959167] [2024-10-14 20:39:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:27,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:27,323 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) [2024-10-14 20:39:27,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:39:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:27,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:27,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:27,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:27,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918959167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:27,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:27,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161135082] [2024-10-14 20:39:27,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:27,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:27,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:27,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:27,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:27,440 INFO L87 Difference]: Start difference. First operand 336 states and 453 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:27,759 INFO L93 Difference]: Finished difference Result 364 states and 463 transitions. [2024-10-14 20:39:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:27,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-10-14 20:39:27,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:27,761 INFO L225 Difference]: With dead ends: 364 [2024-10-14 20:39:27,761 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 20:39:27,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:27,762 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 257 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:27,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 213 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 20:39:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 337. [2024-10-14 20:39:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 247 states have (on average 1.6518218623481782) internal successors, (408), 310 states have internal predecessors, (408), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 452 transitions. [2024-10-14 20:39:27,780 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 452 transitions. Word has length 44 [2024-10-14 20:39:27,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:27,780 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 452 transitions. [2024-10-14 20:39:27,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 452 transitions. [2024-10-14 20:39:27,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:39:27,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:27,781 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:27,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 20:39:27,981 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,SelfDestructingSolverStorable15 [2024-10-14 20:39:27,981 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:27,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:27,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1241473744, now seen corresponding path program 1 times [2024-10-14 20:39:27,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:27,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44045568] [2024-10-14 20:39:27,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 20:39:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:28,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44045568] [2024-10-14 20:39:28,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44045568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337343105] [2024-10-14 20:39:28,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:28,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:28,066 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) [2024-10-14 20:39:28,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:39:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:39:28,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:28,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:28,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337343105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:28,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:28,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-10-14 20:39:28,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416901865] [2024-10-14 20:39:28,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:28,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:28,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:28,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:28,150 INFO L87 Difference]: Start difference. First operand 337 states and 452 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:28,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:28,285 INFO L93 Difference]: Finished difference Result 378 states and 470 transitions. [2024-10-14 20:39:28,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:28,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-10-14 20:39:28,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:28,288 INFO L225 Difference]: With dead ends: 378 [2024-10-14 20:39:28,289 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:39:28,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:28,290 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:28,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 299 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:39:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:39:28,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2024-10-14 20:39:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 312 states have internal predecessors, (406), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 450 transitions. [2024-10-14 20:39:28,306 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 450 transitions. Word has length 45 [2024-10-14 20:39:28,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:28,307 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 450 transitions. [2024-10-14 20:39:28,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 450 transitions. [2024-10-14 20:39:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-14 20:39:28,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:28,308 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:28,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:39:28,509 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,SelfDestructingSolverStorable16 [2024-10-14 20:39:28,509 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:28,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:28,510 INFO L85 PathProgramCache]: Analyzing trace with hash -944633550, now seen corresponding path program 1 times [2024-10-14 20:39:28,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:28,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827726831] [2024-10-14 20:39:28,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 20:39:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:28,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:28,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827726831] [2024-10-14 20:39:28,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827726831] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:28,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363605090] [2024-10-14 20:39:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:28,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:28,591 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) [2024-10-14 20:39:28,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:39:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:28,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:28,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:28,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363605090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:28,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:28,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:28,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666567523] [2024-10-14 20:39:28,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:28,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:28,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:28,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:28,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:28,705 INFO L87 Difference]: Start difference. First operand 339 states and 450 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:29,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:29,078 INFO L93 Difference]: Finished difference Result 376 states and 464 transitions. [2024-10-14 20:39:29,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:29,079 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-14 20:39:29,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:29,081 INFO L225 Difference]: With dead ends: 376 [2024-10-14 20:39:29,081 INFO L226 Difference]: Without dead ends: 374 [2024-10-14 20:39:29,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:29,081 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 142 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:29,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 310 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-14 20:39:29,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 340. [2024-10-14 20:39:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 250 states have (on average 1.62) internal successors, (405), 313 states have internal predecessors, (405), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:39:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 449 transitions. [2024-10-14 20:39:29,098 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 449 transitions. Word has length 47 [2024-10-14 20:39:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:29,098 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 449 transitions. [2024-10-14 20:39:29,098 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 449 transitions. [2024-10-14 20:39:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-14 20:39:29,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:29,099 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:29,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:39:29,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:29,300 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:29,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash 781131237, now seen corresponding path program 1 times [2024-10-14 20:39:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:29,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509988530] [2024-10-14 20:39:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:29,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 20:39:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 20:39:29,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:29,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509988530] [2024-10-14 20:39:29,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509988530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:29,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352385445] [2024-10-14 20:39:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:29,375 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) [2024-10-14 20:39:29,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:39:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:29,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:39:29,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:29,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352385445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:29,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:29,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:39:29,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097695957] [2024-10-14 20:39:29,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:29,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:29,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:29,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:29,600 INFO L87 Difference]: Start difference. First operand 340 states and 449 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:30,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:30,183 INFO L93 Difference]: Finished difference Result 376 states and 461 transitions. [2024-10-14 20:39:30,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:30,183 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-10-14 20:39:30,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:30,185 INFO L225 Difference]: With dead ends: 376 [2024-10-14 20:39:30,185 INFO L226 Difference]: Without dead ends: 357 [2024-10-14 20:39:30,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:30,186 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:30,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 314 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:39:30,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-14 20:39:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 324. [2024-10-14 20:39:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6440677966101696) internal successors, (388), 299 states have internal predecessors, (388), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 430 transitions. [2024-10-14 20:39:30,204 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 430 transitions. Word has length 48 [2024-10-14 20:39:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:30,204 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 430 transitions. [2024-10-14 20:39:30,205 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:39:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 430 transitions. [2024-10-14 20:39:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 20:39:30,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:30,206 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:39:30,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:30,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:30,411 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:30,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 499684166, now seen corresponding path program 1 times [2024-10-14 20:39:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:30,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645220737] [2024-10-14 20:39:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:30,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969696896] [2024-10-14 20:39:30,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:30,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:30,432 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) [2024-10-14 20:39:30,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:39:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:30,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:39:30,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:30,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645220737] [2024-10-14 20:39:30,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969696896] [2024-10-14 20:39:30,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969696896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:30,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:30,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:30,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067969768] [2024-10-14 20:39:30,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:30,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:30,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:30,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:30,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:30,591 INFO L87 Difference]: Start difference. First operand 324 states and 430 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:30,928 INFO L93 Difference]: Finished difference Result 349 states and 451 transitions. [2024-10-14 20:39:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:30,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2024-10-14 20:39:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:30,930 INFO L225 Difference]: With dead ends: 349 [2024-10-14 20:39:30,930 INFO L226 Difference]: Without dead ends: 348 [2024-10-14 20:39:30,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:30,940 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 221 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:30,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 171 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-14 20:39:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2024-10-14 20:39:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6398305084745763) internal successors, (387), 299 states have internal predecessors, (387), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 429 transitions. [2024-10-14 20:39:30,954 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 429 transitions. Word has length 59 [2024-10-14 20:39:30,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:30,955 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 429 transitions. [2024-10-14 20:39:30,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:39:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 429 transitions. [2024-10-14 20:39:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-14 20:39:30,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:30,955 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-10-14 20:39:30,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:39:31,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:31,161 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:31,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash 29219433, now seen corresponding path program 1 times [2024-10-14 20:39:31,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:31,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910808083] [2024-10-14 20:39:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:31,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882669818] [2024-10-14 20:39:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:31,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:31,175 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) [2024-10-14 20:39:31,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:39:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:31,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:31,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:39:31,439 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910808083] [2024-10-14 20:39:31,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882669818] [2024-10-14 20:39:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882669818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:31,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445190473] [2024-10-14 20:39:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:31,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:31,441 INFO L87 Difference]: Start difference. First operand 324 states and 429 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:31,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:31,859 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2024-10-14 20:39:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:31,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2024-10-14 20:39:31,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:31,862 INFO L225 Difference]: With dead ends: 351 [2024-10-14 20:39:31,862 INFO L226 Difference]: Without dead ends: 350 [2024-10-14 20:39:31,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:31,863 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 46 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:31,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 346 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-14 20:39:31,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2024-10-14 20:39:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.63135593220339) internal successors, (385), 299 states have internal predecessors, (385), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 427 transitions. [2024-10-14 20:39:31,881 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 427 transitions. Word has length 69 [2024-10-14 20:39:31,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:31,881 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 427 transitions. [2024-10-14 20:39:31,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 427 transitions. [2024-10-14 20:39:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-14 20:39:31,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:31,884 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:31,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:39:32,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:32,084 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:32,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:32,085 INFO L85 PathProgramCache]: Analyzing trace with hash 905802544, now seen corresponding path program 1 times [2024-10-14 20:39:32,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:32,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807141820] [2024-10-14 20:39:32,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:32,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320447285] [2024-10-14 20:39:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:32,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:32,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:32,099 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) [2024-10-14 20:39:32,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:39:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:32,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:32,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:39:33,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:33,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:33,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807141820] [2024-10-14 20:39:33,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:33,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320447285] [2024-10-14 20:39:33,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320447285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:33,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:33,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:33,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342131134] [2024-10-14 20:39:33,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:33,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:33,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:33,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-14 20:39:33,374 INFO L87 Difference]: Start difference. First operand 324 states and 427 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:36,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-14 20:39:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:36,634 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2024-10-14 20:39:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:36,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-10-14 20:39:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:36,636 INFO L225 Difference]: With dead ends: 351 [2024-10-14 20:39:36,636 INFO L226 Difference]: Without dead ends: 350 [2024-10-14 20:39:36,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-14 20:39:36,636 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:36,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 237 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 3.2s Time] [2024-10-14 20:39:36,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-14 20:39:36,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2024-10-14 20:39:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6228813559322033) internal successors, (383), 299 states have internal predecessors, (383), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 425 transitions. [2024-10-14 20:39:36,651 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 425 transitions. Word has length 70 [2024-10-14 20:39:36,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:36,651 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 425 transitions. [2024-10-14 20:39:36,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 425 transitions. [2024-10-14 20:39:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:39:36,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:36,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:36,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:36,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:36,853 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:36,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:36,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1984892085, now seen corresponding path program 1 times [2024-10-14 20:39:36,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:36,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284491368] [2024-10-14 20:39:36,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:36,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877213895] [2024-10-14 20:39:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:36,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:36,874 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) [2024-10-14 20:39:36,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:39:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:36,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:36,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:39:36,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:36,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:36,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284491368] [2024-10-14 20:39:36,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:36,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877213895] [2024-10-14 20:39:36,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877213895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:36,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:36,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:36,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587025880] [2024-10-14 20:39:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:36,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:36,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:36,995 INFO L87 Difference]: Start difference. First operand 324 states and 425 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:37,266 INFO L93 Difference]: Finished difference Result 344 states and 436 transitions. [2024-10-14 20:39:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:37,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-10-14 20:39:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:37,268 INFO L225 Difference]: With dead ends: 344 [2024-10-14 20:39:37,268 INFO L226 Difference]: Without dead ends: 342 [2024-10-14 20:39:37,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:37,269 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 98 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:37,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 283 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:39:37,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-14 20:39:37,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 324. [2024-10-14 20:39:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.6059322033898304) internal successors, (379), 299 states have internal predecessors, (379), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 421 transitions. [2024-10-14 20:39:37,282 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 421 transitions. Word has length 71 [2024-10-14 20:39:37,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:37,283 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 421 transitions. [2024-10-14 20:39:37,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 421 transitions. [2024-10-14 20:39:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:39:37,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:37,284 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:37,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-14 20:39:37,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:37,485 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:37,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1402112366, now seen corresponding path program 1 times [2024-10-14 20:39:37,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:37,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226774338] [2024-10-14 20:39:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:37,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925951882] [2024-10-14 20:39:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:37,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:37,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:37,506 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) [2024-10-14 20:39:37,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:39:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:37,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:37,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:39:37,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:37,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:37,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226774338] [2024-10-14 20:39:37,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:37,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925951882] [2024-10-14 20:39:37,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925951882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:37,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:37,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:37,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505231777] [2024-10-14 20:39:37,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:37,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:37,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:37,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:37,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:37,796 INFO L87 Difference]: Start difference. First operand 324 states and 421 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:38,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:38,195 INFO L93 Difference]: Finished difference Result 344 states and 432 transitions. [2024-10-14 20:39:38,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:38,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-10-14 20:39:38,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:38,212 INFO L225 Difference]: With dead ends: 344 [2024-10-14 20:39:38,212 INFO L226 Difference]: Without dead ends: 342 [2024-10-14 20:39:38,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:38,213 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 97 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:38,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 286 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-14 20:39:38,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 324. [2024-10-14 20:39:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5889830508474576) internal successors, (375), 299 states have internal predecessors, (375), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 417 transitions. [2024-10-14 20:39:38,227 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 417 transitions. Word has length 72 [2024-10-14 20:39:38,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:38,227 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 417 transitions. [2024-10-14 20:39:38,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 417 transitions. [2024-10-14 20:39:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 20:39:38,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:38,229 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:38,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-14 20:39:38,432 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,SelfDestructingSolverStorable23 [2024-10-14 20:39:38,433 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:38,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:38,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1810505201, now seen corresponding path program 1 times [2024-10-14 20:39:38,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:38,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334867124] [2024-10-14 20:39:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:38,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113878672] [2024-10-14 20:39:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:38,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:38,448 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) [2024-10-14 20:39:38,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:39:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:38,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:39:38,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:38,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:38,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:38,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334867124] [2024-10-14 20:39:38,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:38,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113878672] [2024-10-14 20:39:38,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113878672] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:38,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:39:38,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-14 20:39:38,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930694366] [2024-10-14 20:39:38,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:38,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:39:38,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:38,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:39:38,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:38,853 INFO L87 Difference]: Start difference. First operand 324 states and 417 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:39:39,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:39,554 INFO L93 Difference]: Finished difference Result 346 states and 419 transitions. [2024-10-14 20:39:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 77 [2024-10-14 20:39:39,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:39,556 INFO L225 Difference]: With dead ends: 346 [2024-10-14 20:39:39,556 INFO L226 Difference]: Without dead ends: 345 [2024-10-14 20:39:39,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:39,557 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 193 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:39,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 550 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:39:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-14 20:39:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 324. [2024-10-14 20:39:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.576271186440678) internal successors, (372), 299 states have internal predecessors, (372), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 414 transitions. [2024-10-14 20:39:39,578 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 414 transitions. Word has length 77 [2024-10-14 20:39:39,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:39,581 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 414 transitions. [2024-10-14 20:39:39,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-14 20:39:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 414 transitions. [2024-10-14 20:39:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 20:39:39,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:39,583 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:39,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:39,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 20:39:39,787 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:39,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:39,787 INFO L85 PathProgramCache]: Analyzing trace with hash 291086520, now seen corresponding path program 1 times [2024-10-14 20:39:39,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:39,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661759794] [2024-10-14 20:39:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:39,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:39,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583699393] [2024-10-14 20:39:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:39,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:39,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:39,800 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) [2024-10-14 20:39:39,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:39:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:39,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:39:39,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:40,116 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:41,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:41,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661759794] [2024-10-14 20:39:41,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:41,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583699393] [2024-10-14 20:39:41,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583699393] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:41,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:39:41,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-14 20:39:41,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693054302] [2024-10-14 20:39:41,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:41,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:39:41,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:41,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:39:41,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:39:41,197 INFO L87 Difference]: Start difference. First operand 324 states and 414 transitions. Second operand has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:39:42,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:42,218 INFO L93 Difference]: Finished difference Result 346 states and 416 transitions. [2024-10-14 20:39:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:42,218 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2024-10-14 20:39:42,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:42,220 INFO L225 Difference]: With dead ends: 346 [2024-10-14 20:39:42,220 INFO L226 Difference]: Without dead ends: 345 [2024-10-14 20:39:42,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:39:42,221 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 209 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:42,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 578 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:39:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-14 20:39:42,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 324. [2024-10-14 20:39:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5635593220338984) internal successors, (369), 299 states have internal predecessors, (369), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 411 transitions. [2024-10-14 20:39:42,237 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 411 transitions. Word has length 78 [2024-10-14 20:39:42,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:42,238 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 411 transitions. [2024-10-14 20:39:42,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-10-14 20:39:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2024-10-14 20:39:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 20:39:42,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:42,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:42,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:42,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:39:42,444 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:42,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:42,444 INFO L85 PathProgramCache]: Analyzing trace with hash 433747667, now seen corresponding path program 1 times [2024-10-14 20:39:42,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:42,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889471134] [2024-10-14 20:39:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:42,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019892210] [2024-10-14 20:39:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:42,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:42,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:42,459 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) [2024-10-14 20:39:42,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:39:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:42,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:42,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:42,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:51,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889471134] [2024-10-14 20:39:51,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019892210] [2024-10-14 20:39:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019892210] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:51,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:51,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:39:51,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510710630] [2024-10-14 20:39:51,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:51,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:39:51,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:51,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:39:51,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-10-14 20:39:51,998 INFO L87 Difference]: Start difference. First operand 324 states and 411 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:52,804 INFO L93 Difference]: Finished difference Result 343 states and 422 transitions. [2024-10-14 20:39:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:52,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2024-10-14 20:39:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:52,806 INFO L225 Difference]: With dead ends: 343 [2024-10-14 20:39:52,806 INFO L226 Difference]: Without dead ends: 340 [2024-10-14 20:39:52,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-10-14 20:39:52,807 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 192 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:52,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 401 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-14 20:39:52,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-10-14 20:39:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5381355932203389) internal successors, (363), 299 states have internal predecessors, (363), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 405 transitions. [2024-10-14 20:39:52,821 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 405 transitions. Word has length 79 [2024-10-14 20:39:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:52,822 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 405 transitions. [2024-10-14 20:39:52,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 405 transitions. [2024-10-14 20:39:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 20:39:52,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:52,823 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:52,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:53,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:53,024 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:53,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash 561275930, now seen corresponding path program 1 times [2024-10-14 20:39:53,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:53,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473672352] [2024-10-14 20:39:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:53,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:53,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440087573] [2024-10-14 20:39:53,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:53,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:53,040 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) [2024-10-14 20:39:53,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:39:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:53,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:39:53,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-14 20:39:53,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:53,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473672352] [2024-10-14 20:39:53,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440087573] [2024-10-14 20:39:53,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440087573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:53,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:53,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:39:53,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132115434] [2024-10-14 20:39:53,871 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:53,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:39:53,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:53,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:39:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:53,871 INFO L87 Difference]: Start difference. First operand 324 states and 405 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:55,141 INFO L93 Difference]: Finished difference Result 331 states and 406 transitions. [2024-10-14 20:39:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:39:55,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-10-14 20:39:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:55,142 INFO L225 Difference]: With dead ends: 331 [2024-10-14 20:39:55,142 INFO L226 Difference]: Without dead ends: 328 [2024-10-14 20:39:55,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:55,143 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 153 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:55,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 289 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 20:39:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-14 20:39:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2024-10-14 20:39:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 236 states have (on average 1.5127118644067796) internal successors, (357), 299 states have internal predecessors, (357), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 399 transitions. [2024-10-14 20:39:55,158 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 399 transitions. Word has length 80 [2024-10-14 20:39:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:55,159 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 399 transitions. [2024-10-14 20:39:55,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 399 transitions. [2024-10-14 20:39:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 20:39:55,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:55,160 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:55,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-14 20:39:55,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 20:39:55,365 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:55,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2100544102, now seen corresponding path program 1 times [2024-10-14 20:39:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:55,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138682508] [2024-10-14 20:39:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:39:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:39:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:39:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:39:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:55,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:55,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138682508] [2024-10-14 20:39:55,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138682508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:55,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:55,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:39:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836487816] [2024-10-14 20:39:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:55,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:39:55,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:55,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:39:55,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:55,450 INFO L87 Difference]: Start difference. First operand 324 states and 399 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 20:39:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:55,646 INFO L93 Difference]: Finished difference Result 324 states and 399 transitions. [2024-10-14 20:39:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:39:55,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 93 [2024-10-14 20:39:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:55,648 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:39:55,648 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:39:55,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:39:55,649 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:55,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:39:55,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:39:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-10-14 20:39:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 236 states have (on average 1.4957627118644068) internal successors, (353), 298 states have internal predecessors, (353), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 395 transitions. [2024-10-14 20:39:55,662 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 395 transitions. Word has length 93 [2024-10-14 20:39:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:55,662 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 395 transitions. [2024-10-14 20:39:55,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 20:39:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 395 transitions. [2024-10-14 20:39:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 20:39:55,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:55,663 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:55,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 20:39:55,665 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:55,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:55,665 INFO L85 PathProgramCache]: Analyzing trace with hash -692357559, now seen corresponding path program 1 times [2024-10-14 20:39:55,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:55,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461920120] [2024-10-14 20:39:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:55,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:39:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:39:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:39:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:39:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:55,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:55,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461920120] [2024-10-14 20:39:55,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461920120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:55,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:55,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:39:55,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780889847] [2024-10-14 20:39:55,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:55,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:55,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:55,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:55,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:55,774 INFO L87 Difference]: Start difference. First operand 323 states and 395 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:56,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:56,571 INFO L93 Difference]: Finished difference Result 331 states and 399 transitions. [2024-10-14 20:39:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:56,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2024-10-14 20:39:56,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:56,573 INFO L225 Difference]: With dead ends: 331 [2024-10-14 20:39:56,573 INFO L226 Difference]: Without dead ends: 330 [2024-10-14 20:39:56,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:56,574 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 306 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:56,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 218 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-14 20:39:56,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 323. [2024-10-14 20:39:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 236 states have (on average 1.4915254237288136) internal successors, (352), 298 states have internal predecessors, (352), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-10-14 20:39:56,590 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 94 [2024-10-14 20:39:56,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:56,590 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-10-14 20:39:56,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:39:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-10-14 20:39:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 20:39:56,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:56,592 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:56,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 20:39:56,593 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:56,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash 362782761, now seen corresponding path program 1 times [2024-10-14 20:39:56,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:56,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359212575] [2024-10-14 20:39:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:39:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:39:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:39:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:39:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:56,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:56,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359212575] [2024-10-14 20:39:56,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359212575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:56,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:56,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:39:56,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94974606] [2024-10-14 20:39:56,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:56,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:56,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:56,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:56,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:56,799 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:39:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:57,705 INFO L93 Difference]: Finished difference Result 339 states and 405 transitions. [2024-10-14 20:39:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2024-10-14 20:39:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:57,707 INFO L225 Difference]: With dead ends: 339 [2024-10-14 20:39:57,707 INFO L226 Difference]: Without dead ends: 338 [2024-10-14 20:39:57,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:57,708 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 15 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:57,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 538 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:39:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-14 20:39:57,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 328. [2024-10-14 20:39:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 241 states have (on average 1.4813278008298756) internal successors, (357), 303 states have internal predecessors, (357), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 399 transitions. [2024-10-14 20:39:57,724 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 399 transitions. Word has length 96 [2024-10-14 20:39:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:57,724 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 399 transitions. [2024-10-14 20:39:57,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:39:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 399 transitions. [2024-10-14 20:39:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 20:39:57,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:57,725 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:57,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 20:39:57,726 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:57,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:57,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1638636118, now seen corresponding path program 1 times [2024-10-14 20:39:57,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:57,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289841319] [2024-10-14 20:39:57,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:57,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411725889] [2024-10-14 20:39:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:57,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:57,742 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) [2024-10-14 20:39:57,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:39:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:57,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:57,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:57,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:39:57,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289841319] [2024-10-14 20:39:57,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411725889] [2024-10-14 20:39:57,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411725889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:39:57,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:39:57,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:39:57,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843712805] [2024-10-14 20:39:57,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:57,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:39:57,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:57,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:39:57,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:39:57,986 INFO L87 Difference]: Start difference. First operand 328 states and 399 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:39:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:58,489 INFO L93 Difference]: Finished difference Result 339 states and 403 transitions. [2024-10-14 20:39:58,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:39:58,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-10-14 20:39:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:58,490 INFO L225 Difference]: With dead ends: 339 [2024-10-14 20:39:58,490 INFO L226 Difference]: Without dead ends: 338 [2024-10-14 20:39:58,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:39:58,491 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 17 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:58,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 328 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:58,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-14 20:39:58,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 330. [2024-10-14 20:39:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.477366255144033) internal successors, (359), 305 states have internal predecessors, (359), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:39:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 401 transitions. [2024-10-14 20:39:58,506 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 401 transitions. Word has length 97 [2024-10-14 20:39:58,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:58,507 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 401 transitions. [2024-10-14 20:39:58,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:39:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 401 transitions. [2024-10-14 20:39:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:39:58,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:58,508 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:58,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:58,708 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,SelfDestructingSolverStorable31 [2024-10-14 20:39:58,709 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:58,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash 133311324, now seen corresponding path program 1 times [2024-10-14 20:39:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475037731] [2024-10-14 20:39:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:58,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:39:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:39:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:39:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:39:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:58,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475037731] [2024-10-14 20:39:58,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475037731] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342335905] [2024-10-14 20:39:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:58,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:58,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:58,879 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) [2024-10-14 20:39:58,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:39:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:58,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:39:58,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:59,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:39:59,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342335905] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:59,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:59,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-14 20:39:59,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617740881] [2024-10-14 20:39:59,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:59,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:39:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:59,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:39:59,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:39:59,286 INFO L87 Difference]: Start difference. First operand 330 states and 401 transitions. Second operand has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-14 20:39:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:59,627 INFO L93 Difference]: Finished difference Result 836 states and 982 transitions. [2024-10-14 20:39:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 20:39:59,627 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 99 [2024-10-14 20:39:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:59,629 INFO L225 Difference]: With dead ends: 836 [2024-10-14 20:39:59,629 INFO L226 Difference]: Without dead ends: 632 [2024-10-14 20:39:59,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2024-10-14 20:39:59,632 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 361 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:59,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1235 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:39:59,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-14 20:39:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 526. [2024-10-14 20:39:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 421 states have (on average 1.4394299287410925) internal successors, (606), 484 states have internal predecessors, (606), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:39:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 674 transitions. [2024-10-14 20:39:59,658 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 674 transitions. Word has length 99 [2024-10-14 20:39:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:59,658 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 674 transitions. [2024-10-14 20:39:59,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.75) internal successors, (140), 17 states have internal predecessors, (140), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-14 20:39:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 674 transitions. [2024-10-14 20:39:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 20:39:59,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:59,660 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:59,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:59,861 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,SelfDestructingSolverStorable32 [2024-10-14 20:39:59,861 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:39:59,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash -10125203, now seen corresponding path program 1 times [2024-10-14 20:39:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:59,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706748074] [2024-10-14 20:39:59,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:39:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:39:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:39:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:39:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706748074] [2024-10-14 20:40:00,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706748074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:00,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:00,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796641197] [2024-10-14 20:40:00,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:00,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:00,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:00,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:00,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:00,013 INFO L87 Difference]: Start difference. First operand 526 states and 674 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:40:00,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:00,273 INFO L93 Difference]: Finished difference Result 541 states and 682 transitions. [2024-10-14 20:40:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:00,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 100 [2024-10-14 20:40:00,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:00,275 INFO L225 Difference]: With dead ends: 541 [2024-10-14 20:40:00,275 INFO L226 Difference]: Without dead ends: 540 [2024-10-14 20:40:00,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:00,276 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:00,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 455 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:40:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-14 20:40:00,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 529. [2024-10-14 20:40:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 424 states have (on average 1.4386792452830188) internal successors, (610), 487 states have internal predecessors, (610), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 678 transitions. [2024-10-14 20:40:00,305 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 678 transitions. Word has length 100 [2024-10-14 20:40:00,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:00,306 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 678 transitions. [2024-10-14 20:40:00,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:40:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 678 transitions. [2024-10-14 20:40:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 20:40:00,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:00,307 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:00,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 20:40:00,307 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -736834018, now seen corresponding path program 1 times [2024-10-14 20:40:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304065044] [2024-10-14 20:40:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:00,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145894565] [2024-10-14 20:40:00,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:00,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:00,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:00,329 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) [2024-10-14 20:40:00,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:40:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:00,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:40:00,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:00,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304065044] [2024-10-14 20:40:00,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145894565] [2024-10-14 20:40:00,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145894565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:00,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:00,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:40:00,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708935372] [2024-10-14 20:40:00,685 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:00,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:00,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:00,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:00,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:40:00,686 INFO L87 Difference]: Start difference. First operand 529 states and 678 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:01,119 INFO L93 Difference]: Finished difference Result 533 states and 678 transitions. [2024-10-14 20:40:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:40:01,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2024-10-14 20:40:01,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:01,122 INFO L225 Difference]: With dead ends: 533 [2024-10-14 20:40:01,122 INFO L226 Difference]: Without dead ends: 531 [2024-10-14 20:40:01,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:40:01,123 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 223 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:01,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 470 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:40:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-10-14 20:40:01,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2024-10-14 20:40:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 424 states have (on average 1.4245283018867925) internal successors, (604), 487 states have internal predecessors, (604), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 672 transitions. [2024-10-14 20:40:01,150 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 672 transitions. Word has length 101 [2024-10-14 20:40:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:01,150 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 672 transitions. [2024-10-14 20:40:01,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 672 transitions. [2024-10-14 20:40:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 20:40:01,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:01,151 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:01,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-14 20:40:01,352 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,SelfDestructingSolverStorable34 [2024-10-14 20:40:01,352 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:01,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash -313881106, now seen corresponding path program 1 times [2024-10-14 20:40:01,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:01,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697408424] [2024-10-14 20:40:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:01,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868608997] [2024-10-14 20:40:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:01,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:01,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:01,372 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) [2024-10-14 20:40:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:40:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:01,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:40:01,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:01,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:01,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:01,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697408424] [2024-10-14 20:40:01,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:01,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868608997] [2024-10-14 20:40:01,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868608997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:01,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:01,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:01,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951922639] [2024-10-14 20:40:01,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:01,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:01,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:01,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:01,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:01,648 INFO L87 Difference]: Start difference. First operand 529 states and 672 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:01,861 INFO L93 Difference]: Finished difference Result 538 states and 675 transitions. [2024-10-14 20:40:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:40:01,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2024-10-14 20:40:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:01,864 INFO L225 Difference]: With dead ends: 538 [2024-10-14 20:40:01,864 INFO L226 Difference]: Without dead ends: 537 [2024-10-14 20:40:01,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:01,864 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 62 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:01,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 537 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:40:01,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-14 20:40:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 531. [2024-10-14 20:40:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.4225352112676057) internal successors, (606), 489 states have internal predecessors, (606), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 674 transitions. [2024-10-14 20:40:01,892 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 674 transitions. Word has length 101 [2024-10-14 20:40:01,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:01,892 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 674 transitions. [2024-10-14 20:40:01,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 674 transitions. [2024-10-14 20:40:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 20:40:01,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:01,894 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:01,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:02,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:02,098 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:02,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1367017996, now seen corresponding path program 1 times [2024-10-14 20:40:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:02,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867440099] [2024-10-14 20:40:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:02,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:02,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322777830] [2024-10-14 20:40:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:02,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:02,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:02,113 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) [2024-10-14 20:40:02,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:40:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:02,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 20:40:02,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:02,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:02,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:02,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867440099] [2024-10-14 20:40:02,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:02,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322777830] [2024-10-14 20:40:02,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322777830] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:02,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:02,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:40:02,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322984464] [2024-10-14 20:40:02,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:02,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:40:02,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:02,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:40:02,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:02,877 INFO L87 Difference]: Start difference. First operand 531 states and 674 transitions. Second operand has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:03,446 INFO L93 Difference]: Finished difference Result 535 states and 674 transitions. [2024-10-14 20:40:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:40:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-10-14 20:40:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:03,449 INFO L225 Difference]: With dead ends: 535 [2024-10-14 20:40:03,449 INFO L226 Difference]: Without dead ends: 533 [2024-10-14 20:40:03,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:40:03,449 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 529 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:03,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 521 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:40:03,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-14 20:40:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2024-10-14 20:40:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.4178403755868545) internal successors, (604), 489 states have internal predecessors, (604), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 672 transitions. [2024-10-14 20:40:03,479 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 672 transitions. Word has length 102 [2024-10-14 20:40:03,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:03,479 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 672 transitions. [2024-10-14 20:40:03,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 672 transitions. [2024-10-14 20:40:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:40:03,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:03,480 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:03,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:03,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-14 20:40:03,681 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:03,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 572115168, now seen corresponding path program 1 times [2024-10-14 20:40:03,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:03,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782140348] [2024-10-14 20:40:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:40:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:40:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:40:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:40:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:03,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782140348] [2024-10-14 20:40:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782140348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:40:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:40:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761020361] [2024-10-14 20:40:03,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:03,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:03,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:40:03,803 INFO L87 Difference]: Start difference. First operand 531 states and 672 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 20:40:04,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:04,435 INFO L93 Difference]: Finished difference Result 567 states and 675 transitions. [2024-10-14 20:40:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:40:04,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2024-10-14 20:40:04,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:04,437 INFO L225 Difference]: With dead ends: 567 [2024-10-14 20:40:04,437 INFO L226 Difference]: Without dead ends: 566 [2024-10-14 20:40:04,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:40:04,437 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 136 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:04,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 598 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:40:04,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-10-14 20:40:04,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 531. [2024-10-14 20:40:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 426 states have (on average 1.408450704225352) internal successors, (600), 489 states have internal predecessors, (600), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 668 transitions. [2024-10-14 20:40:04,467 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 668 transitions. Word has length 103 [2024-10-14 20:40:04,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:04,467 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 668 transitions. [2024-10-14 20:40:04,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 20:40:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 668 transitions. [2024-10-14 20:40:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:40:04,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:04,468 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:04,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 20:40:04,470 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:04,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:04,471 INFO L85 PathProgramCache]: Analyzing trace with hash -992030544, now seen corresponding path program 1 times [2024-10-14 20:40:04,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:04,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789135337] [2024-10-14 20:40:04,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:04,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:40:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:40:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:40:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:40:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:04,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:04,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789135337] [2024-10-14 20:40:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789135337] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:04,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208068406] [2024-10-14 20:40:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:04,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:04,616 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:04,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:40:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:04,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:04,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:04,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:04,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208068406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:04,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:04,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-10-14 20:40:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045062282] [2024-10-14 20:40:04,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:04,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:04,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:04,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:04,816 INFO L87 Difference]: Start difference. First operand 531 states and 668 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:40:04,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:04,918 INFO L93 Difference]: Finished difference Result 531 states and 668 transitions. [2024-10-14 20:40:04,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:40:04,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2024-10-14 20:40:04,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:04,924 INFO L225 Difference]: With dead ends: 531 [2024-10-14 20:40:04,924 INFO L226 Difference]: Without dead ends: 529 [2024-10-14 20:40:04,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:40:04,925 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 96 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:04,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 476 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:40:04,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-10-14 20:40:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2024-10-14 20:40:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 426 states have (on average 1.3943661971830985) internal successors, (594), 487 states have internal predecessors, (594), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 662 transitions. [2024-10-14 20:40:04,952 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 662 transitions. Word has length 103 [2024-10-14 20:40:04,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:04,953 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 662 transitions. [2024-10-14 20:40:04,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:40:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 662 transitions. [2024-10-14 20:40:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 20:40:04,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:04,954 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:04,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:05,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:40:05,155 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:05,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash 555701110, now seen corresponding path program 1 times [2024-10-14 20:40:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664352242] [2024-10-14 20:40:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:05,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096608420] [2024-10-14 20:40:05,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:05,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:05,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:05,173 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:05,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:40:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:05,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-14 20:40:05,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:05,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-14 20:40:05,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:05,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664352242] [2024-10-14 20:40:05,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:05,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096608420] [2024-10-14 20:40:05,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096608420] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:05,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:05,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-10-14 20:40:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484776746] [2024-10-14 20:40:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:05,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:40:05,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:40:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:05,650 INFO L87 Difference]: Start difference. First operand 529 states and 662 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:06,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:06,587 INFO L93 Difference]: Finished difference Result 536 states and 663 transitions. [2024-10-14 20:40:06,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:40:06,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 104 [2024-10-14 20:40:06,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:06,589 INFO L225 Difference]: With dead ends: 536 [2024-10-14 20:40:06,589 INFO L226 Difference]: Without dead ends: 535 [2024-10-14 20:40:06,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-14 20:40:06,590 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 250 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:06,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 313 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:40:06,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-10-14 20:40:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 529. [2024-10-14 20:40:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 426 states have (on average 1.3849765258215962) internal successors, (590), 487 states have internal predecessors, (590), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 20:40:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 658 transitions. [2024-10-14 20:40:06,629 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 658 transitions. Word has length 104 [2024-10-14 20:40:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:06,630 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 658 transitions. [2024-10-14 20:40:06,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 658 transitions. [2024-10-14 20:40:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 20:40:06,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:06,631 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:06,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-14 20:40:06,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:40:06,831 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:06,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:06,832 INFO L85 PathProgramCache]: Analyzing trace with hash 88081325, now seen corresponding path program 1 times [2024-10-14 20:40:06,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:06,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311835746] [2024-10-14 20:40:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:40:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:40:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:40:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:40:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:06,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:06,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311835746] [2024-10-14 20:40:06,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311835746] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:06,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288741752] [2024-10-14 20:40:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:06,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:06,983 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:06,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:40:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:07,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:07,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:07,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288741752] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:40:07,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:40:07,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 17 [2024-10-14 20:40:07,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195047616] [2024-10-14 20:40:07,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:07,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 20:40:07,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 20:40:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:40:07,386 INFO L87 Difference]: Start difference. First operand 529 states and 658 transitions. Second operand has 17 states, 17 states have (on average 9.0) internal successors, (153), 17 states have internal predecessors, (153), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-14 20:40:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:07,584 INFO L93 Difference]: Finished difference Result 881 states and 1069 transitions. [2024-10-14 20:40:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 20:40:07,585 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.0) internal successors, (153), 17 states have internal predecessors, (153), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 106 [2024-10-14 20:40:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:07,587 INFO L225 Difference]: With dead ends: 881 [2024-10-14 20:40:07,587 INFO L226 Difference]: Without dead ends: 673 [2024-10-14 20:40:07,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:40:07,588 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 177 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:07,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1217 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:40:07,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-10-14 20:40:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 596. [2024-10-14 20:40:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 488 states have (on average 1.415983606557377) internal successors, (691), 549 states have internal predecessors, (691), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 20:40:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 767 transitions. [2024-10-14 20:40:07,619 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 767 transitions. Word has length 106 [2024-10-14 20:40:07,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:07,619 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 767 transitions. [2024-10-14 20:40:07,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.0) internal successors, (153), 17 states have internal predecessors, (153), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-10-14 20:40:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 767 transitions. [2024-10-14 20:40:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 20:40:07,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:07,621 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:07,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:07,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:07,826 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:07,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1564448137, now seen corresponding path program 1 times [2024-10-14 20:40:07,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:07,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518664122] [2024-10-14 20:40:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:07,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:40:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:40:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:40:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:40:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:07,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518664122] [2024-10-14 20:40:07,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518664122] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257066397] [2024-10-14 20:40:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:07,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:07,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:07,972 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:07,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:40:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:08,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:08,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:08,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257066397] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:40:08,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:40:08,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-10-14 20:40:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943346961] [2024-10-14 20:40:08,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:08,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:40:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:40:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:40:08,315 INFO L87 Difference]: Start difference. First operand 596 states and 767 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:40:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:09,276 INFO L93 Difference]: Finished difference Result 1232 states and 1519 transitions. [2024-10-14 20:40:09,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:40:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 107 [2024-10-14 20:40:09,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:09,280 INFO L225 Difference]: With dead ends: 1232 [2024-10-14 20:40:09,280 INFO L226 Difference]: Without dead ends: 1192 [2024-10-14 20:40:09,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:40:09,281 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 840 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:09,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 970 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:40:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-10-14 20:40:09,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 840. [2024-10-14 20:40:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 716 states have (on average 1.5279329608938548) internal successors, (1094), 777 states have internal predecessors, (1094), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 20:40:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1202 transitions. [2024-10-14 20:40:09,328 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1202 transitions. Word has length 107 [2024-10-14 20:40:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:09,328 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1202 transitions. [2024-10-14 20:40:09,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:40:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1202 transitions. [2024-10-14 20:40:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 20:40:09,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:09,329 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:09,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:09,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-14 20:40:09,533 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:09,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:09,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1623444000, now seen corresponding path program 1 times [2024-10-14 20:40:09,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:09,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333205711] [2024-10-14 20:40:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:09,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:40:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:40:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:40:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 20:40:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-14 20:40:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 20:40:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 20:40:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:40:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:40:09,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333205711] [2024-10-14 20:40:09,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333205711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553785236] [2024-10-14 20:40:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:09,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:09,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:09,755 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:09,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:40:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:09,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:09,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:10,090 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:10,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:40:10,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553785236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:40:10,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2024-10-14 20:40:10,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189167259] [2024-10-14 20:40:10,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:10,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:10,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:10,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:40:10,092 INFO L87 Difference]: Start difference. First operand 840 states and 1202 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:12,489 INFO L93 Difference]: Finished difference Result 1483 states and 1991 transitions. [2024-10-14 20:40:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 20:40:12,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 113 [2024-10-14 20:40:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:12,493 INFO L225 Difference]: With dead ends: 1483 [2024-10-14 20:40:12,493 INFO L226 Difference]: Without dead ends: 1482 [2024-10-14 20:40:12,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2024-10-14 20:40:12,494 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1094 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:12,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 842 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 20:40:12,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2024-10-14 20:40:12,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1077. [2024-10-14 20:40:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 937 states have (on average 1.5869797225186766) internal successors, (1487), 998 states have internal predecessors, (1487), 70 states have call successors, (70), 9 states have call predecessors, (70), 9 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 20:40:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1627 transitions. [2024-10-14 20:40:12,550 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1627 transitions. Word has length 113 [2024-10-14 20:40:12,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:12,550 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1627 transitions. [2024-10-14 20:40:12,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-14 20:40:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1627 transitions. [2024-10-14 20:40:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 20:40:12,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:12,552 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:12,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:12,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:12,756 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:12,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1212843466, now seen corresponding path program 1 times [2024-10-14 20:40:12,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:12,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342982886] [2024-10-14 20:40:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:12,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027336987] [2024-10-14 20:40:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:12,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:12,773 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:12,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:40:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:12,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:40:12,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:12,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:40:13,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:13,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342982886] [2024-10-14 20:40:13,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:13,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027336987] [2024-10-14 20:40:13,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027336987] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:40:13,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:40:13,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-14 20:40:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934575814] [2024-10-14 20:40:13,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:13,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:40:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:13,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:40:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:40:13,142 INFO L87 Difference]: Start difference. First operand 1077 states and 1627 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:40:17,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-14 20:40:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:18,575 INFO L93 Difference]: Finished difference Result 1542 states and 2286 transitions. [2024-10-14 20:40:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:40:18,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2024-10-14 20:40:18,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:18,580 INFO L225 Difference]: With dead ends: 1542 [2024-10-14 20:40:18,580 INFO L226 Difference]: Without dead ends: 1541 [2024-10-14 20:40:18,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-10-14 20:40:18,581 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 804 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:18,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 878 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 885 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-10-14 20:40:18,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-10-14 20:40:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1254. [2024-10-14 20:40:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1102 states have (on average 1.6098003629764066) internal successors, (1774), 1163 states have internal predecessors, (1774), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-14 20:40:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1938 transitions. [2024-10-14 20:40:18,658 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1938 transitions. Word has length 114 [2024-10-14 20:40:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:18,659 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1938 transitions. [2024-10-14 20:40:18,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-14 20:40:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1938 transitions. [2024-10-14 20:40:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 20:40:18,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:18,660 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:18,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:18,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-14 20:40:18,861 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:18,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:18,862 INFO L85 PathProgramCache]: Analyzing trace with hash -223082845, now seen corresponding path program 1 times [2024-10-14 20:40:18,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:18,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060452255] [2024-10-14 20:40:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:18,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:18,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162223957] [2024-10-14 20:40:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:18,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:18,882 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:18,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:40:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:18,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:40:18,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:40:19,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:19,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:19,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060452255] [2024-10-14 20:40:19,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162223957] [2024-10-14 20:40:19,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162223957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:19,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:19,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:40:19,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450079177] [2024-10-14 20:40:19,562 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:19,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:40:19,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:19,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:40:19,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:40:19,563 INFO L87 Difference]: Start difference. First operand 1254 states and 1938 transitions. Second operand has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:40:20,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:20,606 INFO L93 Difference]: Finished difference Result 1335 states and 2038 transitions. [2024-10-14 20:40:20,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:40:20,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 120 [2024-10-14 20:40:20,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:20,612 INFO L225 Difference]: With dead ends: 1335 [2024-10-14 20:40:20,612 INFO L226 Difference]: Without dead ends: 1334 [2024-10-14 20:40:20,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:40:20,613 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 614 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:20,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 524 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:40:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-10-14 20:40:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1303. [2024-10-14 20:40:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1147 states have (on average 1.6172624237140367) internal successors, (1855), 1208 states have internal predecessors, (1855), 86 states have call successors, (86), 9 states have call predecessors, (86), 9 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-14 20:40:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 2027 transitions. [2024-10-14 20:40:20,681 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 2027 transitions. Word has length 120 [2024-10-14 20:40:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:20,681 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 2027 transitions. [2024-10-14 20:40:20,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:40:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2027 transitions. [2024-10-14 20:40:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 20:40:20,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:20,686 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:20,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-14 20:40:20,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:20,886 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:20,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:20,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1674366488, now seen corresponding path program 1 times [2024-10-14 20:40:20,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:20,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175955261] [2024-10-14 20:40:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:20,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:20,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19489636] [2024-10-14 20:40:20,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:20,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:20,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:20,902 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:20,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:40:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:20,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:40:20,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:40:21,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:22,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175955261] [2024-10-14 20:40:22,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:22,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19489636] [2024-10-14 20:40:22,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19489636] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:22,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:22,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:40:22,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195244202] [2024-10-14 20:40:22,038 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:22,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:40:22,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:22,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:40:22,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:40:22,039 INFO L87 Difference]: Start difference. First operand 1303 states and 2027 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:40:23,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:23,060 INFO L93 Difference]: Finished difference Result 1335 states and 2036 transitions. [2024-10-14 20:40:23,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:40:23,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2024-10-14 20:40:23,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:23,064 INFO L225 Difference]: With dead ends: 1335 [2024-10-14 20:40:23,064 INFO L226 Difference]: Without dead ends: 1334 [2024-10-14 20:40:23,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:40:23,065 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 554 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:23,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 578 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:40:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-10-14 20:40:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1303. [2024-10-14 20:40:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1147 states have (on average 1.6155187445510026) internal successors, (1853), 1208 states have internal predecessors, (1853), 86 states have call successors, (86), 9 states have call predecessors, (86), 9 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-14 20:40:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 2025 transitions. [2024-10-14 20:40:23,123 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 2025 transitions. Word has length 121 [2024-10-14 20:40:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:23,123 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 2025 transitions. [2024-10-14 20:40:23,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-14 20:40:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2025 transitions. [2024-10-14 20:40:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 20:40:23,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:23,125 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:23,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:23,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-14 20:40:23,325 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:23,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash 365753669, now seen corresponding path program 1 times [2024-10-14 20:40:23,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:23,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586012484] [2024-10-14 20:40:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:23,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364107073] [2024-10-14 20:40:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:23,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:23,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:23,340 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:23,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:40:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:23,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:23,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:40:23,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:23,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586012484] [2024-10-14 20:40:23,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:23,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364107073] [2024-10-14 20:40:23,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364107073] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:23,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:23,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:40:23,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350693108] [2024-10-14 20:40:23,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:23,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:23,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:23,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:23,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:40:23,861 INFO L87 Difference]: Start difference. First operand 1303 states and 2025 transitions. Second operand has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:24,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:24,330 INFO L93 Difference]: Finished difference Result 1458 states and 2244 transitions. [2024-10-14 20:40:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:40:24,331 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2024-10-14 20:40:24,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:24,336 INFO L225 Difference]: With dead ends: 1458 [2024-10-14 20:40:24,337 INFO L226 Difference]: Without dead ends: 1456 [2024-10-14 20:40:24,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:24,338 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 445 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:24,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 444 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:40:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-10-14 20:40:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1415. [2024-10-14 20:40:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1250 states have (on average 1.6288) internal successors, (2036), 1311 states have internal predecessors, (2036), 95 states have call successors, (95), 9 states have call predecessors, (95), 9 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-14 20:40:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2226 transitions. [2024-10-14 20:40:24,397 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2226 transitions. Word has length 122 [2024-10-14 20:40:24,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:24,398 INFO L471 AbstractCegarLoop]: Abstraction has 1415 states and 2226 transitions. [2024-10-14 20:40:24,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2226 transitions. [2024-10-14 20:40:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 20:40:24,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:24,399 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:24,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:24,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-10-14 20:40:24,600 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:24,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1546538054, now seen corresponding path program 1 times [2024-10-14 20:40:24,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:24,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88624208] [2024-10-14 20:40:24,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:24,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:24,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513119664] [2024-10-14 20:40:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:24,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:24,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:24,617 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:24,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:40:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:24,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:40:24,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:40:25,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:25,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:25,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88624208] [2024-10-14 20:40:25,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:25,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513119664] [2024-10-14 20:40:25,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513119664] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:25,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:25,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 20:40:25,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680431508] [2024-10-14 20:40:25,544 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:25,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:40:25,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:25,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:40:25,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:40:25,545 INFO L87 Difference]: Start difference. First operand 1415 states and 2226 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:25,966 INFO L93 Difference]: Finished difference Result 1458 states and 2238 transitions. [2024-10-14 20:40:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:40:25,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-10-14 20:40:25,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:25,973 INFO L225 Difference]: With dead ends: 1458 [2024-10-14 20:40:25,973 INFO L226 Difference]: Without dead ends: 1456 [2024-10-14 20:40:25,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:25,976 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 289 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:25,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 600 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:40:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2024-10-14 20:40:26,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1416. [2024-10-14 20:40:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1251 states have (on average 1.624300559552358) internal successors, (2032), 1312 states have internal predecessors, (2032), 95 states have call successors, (95), 9 states have call predecessors, (95), 9 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-14 20:40:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2222 transitions. [2024-10-14 20:40:26,058 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2222 transitions. Word has length 123 [2024-10-14 20:40:26,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:26,058 INFO L471 AbstractCegarLoop]: Abstraction has 1416 states and 2222 transitions. [2024-10-14 20:40:26,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2222 transitions. [2024-10-14 20:40:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 20:40:26,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:26,061 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:26,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:26,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-14 20:40:26,262 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:26,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash -698039321, now seen corresponding path program 1 times [2024-10-14 20:40:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557290711] [2024-10-14 20:40:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:26,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766024156] [2024-10-14 20:40:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:26,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:26,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:26,277 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:26,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-14 20:40:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:26,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:40:26,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:40:26,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:40:27,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:27,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557290711] [2024-10-14 20:40:27,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:27,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766024156] [2024-10-14 20:40:27,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766024156] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:27,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:27,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 20:40:27,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349794663] [2024-10-14 20:40:27,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:40:27,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:40:27,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:27,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:40:27,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:40:27,644 INFO L87 Difference]: Start difference. First operand 1416 states and 2222 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:40:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:31,752 INFO L93 Difference]: Finished difference Result 1672 states and 2602 transitions. [2024-10-14 20:40:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:40:31,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 124 [2024-10-14 20:40:31,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:31,762 INFO L225 Difference]: With dead ends: 1672 [2024-10-14 20:40:31,765 INFO L226 Difference]: Without dead ends: 1669 [2024-10-14 20:40:31,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:40:31,767 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 121 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:31,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 267 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 20:40:31,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-10-14 20:40:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1652. [2024-10-14 20:40:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1478 states have (on average 1.5994587280108254) internal successors, (2364), 1539 states have internal predecessors, (2364), 104 states have call successors, (104), 9 states have call predecessors, (104), 9 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-14 20:40:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2572 transitions. [2024-10-14 20:40:31,845 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2572 transitions. Word has length 124 [2024-10-14 20:40:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:31,845 INFO L471 AbstractCegarLoop]: Abstraction has 1652 states and 2572 transitions. [2024-10-14 20:40:31,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-14 20:40:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2572 transitions. [2024-10-14 20:40:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-14 20:40:31,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:31,847 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:31,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:32,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-14 20:40:32,051 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:32,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -164382372, now seen corresponding path program 1 times [2024-10-14 20:40:32,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:32,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269557747] [2024-10-14 20:40:32,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810549727] [2024-10-14 20:40:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:32,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:32,070 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:32,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-14 20:40:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:32,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:40:32,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:40:32,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:40:33,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:40:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269557747] [2024-10-14 20:40:33,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:40:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810549727] [2024-10-14 20:40:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810549727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:40:33,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:40:33,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:40:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206503952] [2024-10-14 20:40:33,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:40:33,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:40:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:40:33,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:40:33,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:40:33,087 INFO L87 Difference]: Start difference. First operand 1652 states and 2572 transitions. Second operand has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:40:34,501 INFO L93 Difference]: Finished difference Result 1697 states and 2582 transitions. [2024-10-14 20:40:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:40:34,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 125 [2024-10-14 20:40:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:40:34,507 INFO L225 Difference]: With dead ends: 1697 [2024-10-14 20:40:34,507 INFO L226 Difference]: Without dead ends: 1692 [2024-10-14 20:40:34,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:40:34,508 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:40:34,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 666 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 20:40:34,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-10-14 20:40:34,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1654. [2024-10-14 20:40:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1480 states have (on average 1.5952702702702704) internal successors, (2361), 1541 states have internal predecessors, (2361), 104 states have call successors, (104), 9 states have call predecessors, (104), 9 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-14 20:40:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2569 transitions. [2024-10-14 20:40:34,607 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2569 transitions. Word has length 125 [2024-10-14 20:40:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:40:34,607 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2569 transitions. [2024-10-14 20:40:34,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:40:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2569 transitions. [2024-10-14 20:40:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-14 20:40:34,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:40:34,609 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:40:34,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-14 20:40:34,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-14 20:40:34,813 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-10-14 20:40:34,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:40:34,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1625129682, now seen corresponding path program 1 times [2024-10-14 20:40:34,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:40:34,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253283523] [2024-10-14 20:40:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:34,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:40:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:40:34,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092226631] [2024-10-14 20:40:34,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:40:34,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:40:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:40:34,833 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:40:34,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-14 20:40:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:40:34,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 20:40:34,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:40:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 20:40:35,552 INFO L311 TraceCheckSpWp]: Computing backward predicates...